Boston Scientific Corporation
MX ˙ BMV ˙ FR0010424135
SecurityMX:BSX / Boston Scientific Corporation
InstitutionHsbc Holdings Plc
Latest Disclosed Ownership3,399,703 shares
Latest Disclosed Value $ 212,740,537
Hsbc Holdings Plc ownership in BSX / Boston Scientific Corporation

On April 30, 2026 - Hsbc Holdings Plc filed a 13F-HR form disclosing ownership of 3,399,703 shares of Boston Scientific Corporation (MX:BSX) valued at $212,740,537 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on March 20, 2026 disclosing 3,612,252 shares of Boston Scientific Corporation. This represents a change in shares of -5.88% during the quarter.

Hsbc Holdings Plc has a history of taking positions in derivatives of the underlying security (BSX) in the form of stock options. The firm currently holds call options representing 34,400 of underlying shares valued at $3,291,564 USD and put options representing 47,000 of underlying shares valued at $4,497,195 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:BSX / Boston Scientific Corporation Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-30 2026-03-31 13F BOSTON SCIENTIFIC COM 101137107 3,399,703 -212,549 -5.88 212,741 -38.29 0.0148
2026-03-20 2025-12-31 13F/A-1 BOSTON SCIENTIFIC COM 101137107 3,612,252 215,208 6.34 344,735 3.94 0.0188
2026-03-06 2025-12-31 13F BOSTON SCIENTIFIC COM 101137107 3,612,252 215,208 6.34 344,735 3.94 0.0158
2025-11-13 2025-09-30 13F BOSTON SCIENTIFIC COM 101137107 3,397,044 473,081 16.18 331,664 5.72 0.1830
2025-08-13 2025-06-30 13F BOSTON SCIENTIFIC COM 101137107 2,923,963 -104,679 -3.46 313,731 2.86 0.1884
2025-05-14 2025-03-31 13F BOSTON SCIENTIFIC COM 101137107 3,028,642 -43,781 -1.42 304,997 11.06 0.1885
2025-02-14 2024-12-31 13F BOSTON SCIENTIFIC COM 101137107 3,072,423 73,034 2.43 274,630 9.48 0.1597
2024-11-14 2024-09-30 13F BOSTON SCIENTIFIC COM 101137107 2,999,389 192 0.01 250,845 8.53 0.1460
2024-08-12 2024-06-30 13F BOSTON SCIENTIFIC COM 101137107 2,999,197 -262,195 -8.04 231,135 3.48 0.1413
2024-05-15 2024-03-31 13F BOSTON SCIENTIFIC COM 101137107 3,261,392 193,448 6.31 223,362 25.94 0.1512
2024-02-12 2023-12-31 13F BOSTON SCIENTIFIC COM 101137107 3,067,944 377,590 14.03 177,359 24.71 0.1546
2023-11-13 2023-09-30 13F BOSTON SCIENTIFIC COM 101137107 2,690,354 448,775 20.02 142,216 17.27 0.1480
2023-08-11 2023-06-30 13F BOSTON SCIENTIFIC COM 101137107 2,241,579 601,823 36.70 121,268 47.91 0.1234
2023-05-15 2023-03-31 13F BOSTON SCIENTIFIC COM 101137107 1,639,756 -157,998 -8.79 81,988 -1.31 0.0982
2023-02-14 2022-12-31 13F BOSTON SCIENTIFIC COM 101137107 1,797,754 567,112 46.08 83,078 72.06 0.0955
2022-11-14 2022-09-30 13F BOSTON SCIENTIFIC COM 101137107 1,230,642 -204,635 -14.26 48,284 -10.57 0.0787
2022-08-11 2022-06-30 13F BOSTON SCIENTIFIC COM 101137107 1,435,277 234,377 19.52 53,991 0.82 0.0754
2022-05-16 2022-03-31 13F BOSTON SCIENTIFIC COM 101137107 1,200,900 -33,696 -2.73 53,552 1.32 0.0651
2022-02-11 2021-12-31 13F BOSTON SCIENTIFIC COM 101137107 1,234,596 -114,207 -8.47 52,855 -10.28 0.0488
2021-11-12 2021-09-30 13F BOSTON SCIENTIFIC COM 101137107 1,348,803 -38,393 -2.77 58,912 -1.06 0.0593
2021-08-13 2021-06-30 13F BOSTON SCIENTIFIC COM 101137107 1,387,196 29,234 2.15 59,542 12.76 0.0635
2021-05-14 2021-03-31 13F BOSTON SCIENTIFIC COM 101137107 1,357,962 -173,238 -11.31 52,802 -3.37 0.0621
2021-02-25 2020-12-31 13F/A-1 BOSTON SCIENTIFIC COM 101137107 1,531,200 162,499 11.87 54,642 4.51 0.0728
2021-02-12 2020-12-31 13F BOSTON SCIENTIFIC COM 101137107 1,618,400 249,699 57,747 13,711.2604
2020-11-12 2020-09-30 13F BOSTON SCIENTIFIC COM 101137107 1,368,701 342,279 33.35 52,286 45.09 0.0834
2020-08-14 2020-06-30 13F BOSTON SCIENTIFIC COM 101137107 1,026,422 -351,601 -25.51 36,038 -19.19 0.0684
2020-05-15 2020-03-31 13F BOSTON SCIENTIFIC COM 101137107 1,378,023 193,674 16.35 44,598 -17.09 0.1036
2020-02-14 2019-12-31 13F BOSTON SCIENTIFIC COM 101137107 1,184,349 299,095 33.79 53,789 49.33 0.0934
2019-11-14 2019-09-30 13F BOSTON SCIENTIFIC COM 101137107 885,254 96,084 12.18 36,021 6.20 0.0672
2019-08-13 2019-06-30 13F BOSTON SCIENTIFIC COM 101137107 789,170 -123,719 -13.55 33,919 -3.19 0.0644
2019-05-15 2019-03-31 13F BOSTON SCIENTIFIC COM 101137107 912,889 102,896 12.70 35,038 22.40 0.0639
2019-02-13 2018-12-31 13F BOSTON SCIENTIFIC COM 101137107 809,993 -116,424 -12.57 28,625 -19.74 0.0529
2018-11-13 2018-09-30 13F BOSTON SCIENTIFIC COM 101137107 926,417 89,080 10.64 35,667 30.27 0.0574
2018-08-10 2018-06-30 13F BOSTON SCIENTIFIC COM 101137107 837,337 -637,091 -43.21 27,380 -32.03 0.0487
2018-05-11 2018-03-31 13F BOSTON SCIENTIFIC COM 101137107 1,474,428 145,448 10.94 40,282 22.27 0.0600
2018-02-14 2017-12-31 13F BOSTON SCIENTIFIC COM 101137107 1,328,980 4,482 0.34 32,945 -14.73 0.0477
2017-11-14 2017-09-30 13F BOSTON SCIENTIFIC COM 101137107 1,324,498 318,349 31.64 38,634 38.52 0.0619
2017-08-14 2017-06-30 13F BOSTON SCIENTIFIC COM 101137107 1,006,149 174,500 20.98 27,890 34.85 0.0513
2017-05-15 2017-03-31 13F BOSTON SCIENTIFIC COM 101137107 831,649 22,269 2.75 20,683 18.15 0.0432
2017-02-09 2016-12-31 13F BOSTON SCIENTIFIC COM 101137107 809,380 176,804 27.95 17,506 16.28 0.0408
2016-11-14 2016-09-30 13F BOSTON SCIENTIFIC COM 101137107 632,576 -89,405 -12.38 15,055 -10.58 0.0375
2016-08-12 2016-06-30 13F BOSTON SCIENTIFIC COM 101137107 721,981 85,121 13.37 16,836 40.53 0.0463
2016-05-13 2016-03-31 13F BOSTON SCIENTIFIC COM 101137107 636,860 -81,543 -11.35 11,980 -9.67 0.0337
2016-02-12 2015-12-31 13F BOSTON SCIENTIFIC COM 101137107 718,403 -39,848 -5.26 13,262 6.88 0.0319
2015-11-12 2015-09-30 13F BOSTON SCIENTIFIC COM 101137107 758,251 -106,911 -12.36 12,408 -18.98 0.0313
2015-08-13 2015-06-30 13F BOSTON SCIENTIFIC COM 101137107 865,162 -292,926 -25.29 15,314 -25.50 0.0313
2015-05-14 2015-03-31 13F BOSTON SCIENTIFIC COM 101137107 1,158,088 -593,496 -33.88 20,556 -11.43 0.0395
2015-02-13 2014-12-31 13F BOSTON SCIENTIFIC COM 101137107 1,751,584 209,230 13.57 23,208 27.41 0.0482
2014-11-18 2014-09-30 13F BOSTON SCIENTIFIC COM 101137107 1,542,354 -45,898 -2.89 18,215 -10.19 0.0381
2014-08-14 2014-06-30 13F BOSTON SCIENTIFIC COM 101137107 1,588,252 -439,335 -21.67 20,281 -25.71 0.0439
2014-05-14 2014-03-31 13F BOSTON SCIENTIFIC COM 101137107 2,027,587 -1,763,306 -46.51 27,300 -40.09 0.0653
2014-02-14 2013-12-31 13F BOSTON SCIENTIFIC COM 101137107 3,790,893 983,421 35.03 45,566 38.25 0.1186
2013-11-14 2013-09-30 13F BOSTON SCIENTIFIC COM 101137107 2,807,472 1,045,475 59.33 32,959 101.79 0.0901
2013-10-10 2013-06-30 13F/A-1 BOSTON SCIENTIFIC COM 101137107 1,761,997 1,118,097 173.64 16,333 224.78 0.0494
2013-08-14 2013-06-30 13F BOSTON SCIENTIFIC COM 101137107 1,761,997 16,333
2013-10-10 2013-03-31 13F/A-1 BOSTON SCIENTIFIC COM 101137107 643,900 50,333 8.48 5,029 47.87 0.0183
2013-05-22 2013-03-31 13F BOSTON SCIENTIFIC COM 101137107 643,900 5,029
2013-06-17 2012-12-31 13F/A-1 BOSTON SCIENTIFIC COM 101137107 590,567 66,775 3,383 0.0130
2013-10-10 2012-12-31 13F/A-2 BOSTON SCIENTIFIC COM 101137107 593,567 69,775 13.32 3,401 13.10 0.0132
2013-06-21 2012-09-30 13F/A-1 BOSTON SCIENTIFIC COM 101137107 521,542 -133,519 2,994 0.0117
2013-10-11 2012-09-30 13F/A-2 BOSTON SCIENTIFIC COM 101137107 523,792 -131,269 -20.04 3,007 -19.04 0.0119
2013-10-11 2012-06-30 13F/A-1 BOSTON SCIENTIFIC COM 101137107 655,061 39,077 6.34 3,714 0.81 0.0168
2013-10-11 2012-03-31 13F/A-1 BOSTON SCIENTIFIC COM 101137107 615,984 615,984 3,684 0.0162
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-03-20 2025-12-31 13F/A BOSTON SCIENTIFIC COM Call 34,400 0.00 3,292 -2.02 n/a n/a n/a
2026-03-06 2025-12-31 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 n/a n/a n/a
2025-11-13 2025-09-30 13F BOSTON SCIENTIFIC COM Call 34,400 0.00 3,359 -8.62 n/a n/a n/a
2025-08-13 2025-06-30 13F BOSTON SCIENTIFIC COM Call 34,400 5.20 3,677 12.31 n/a n/a n/a
2025-05-14 2025-03-31 13F BOSTON SCIENTIFIC COM Call 32,700 -49.38 3,274 -43.43 n/a n/a n/a
2025-02-14 2024-12-31 13F BOSTON SCIENTIFIC COM Call 64,600 42.29 5,786 53.35 n/a n/a n/a
2024-11-14 2024-09-30 13F BOSTON SCIENTIFIC COM Call 45,400 3,774 n/a n/a n/a
2024-08-12 2024-06-30 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-05-15 2024-03-31 13F BOSTON SCIENTIFIC COM Call 32,400 80.00 2,219 113.37 n/a n/a n/a
2024-02-12 2023-12-31 13F BOSTON SCIENTIFIC COM Call 18,000 0.00 1,041 9.13 n/a n/a n/a
2023-11-13 2023-09-30 13F BOSTON SCIENTIFIC COM Call 18,000 0.00 954 -2.16 n/a n/a n/a
2023-08-11 2023-06-30 13F BOSTON SCIENTIFIC COM Call 18,000 974 n/a n/a n/a
2023-05-15 2023-03-31 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-14 2022-12-31 13F BOSTON SCIENTIFIC COM Call 54,400 0.00 2,504 17.17 n/a n/a n/a
2022-11-14 2022-09-30 13F BOSTON SCIENTIFIC COM Call 54,400 203.91 2,137 218.01 n/a n/a n/a
2022-08-11 2022-06-30 13F BOSTON SCIENTIFIC COM Call 17,900 894.44 672 729.63 n/a n/a n/a
2022-05-16 2022-03-31 13F BOSTON SCIENTIFIC COM Call 1,800 -98.29 81 -98.20 n/a n/a n/a
2022-02-11 2021-12-31 13F BOSTON SCIENTIFIC COM Call 105,000 29.15 4,495 26.37 n/a n/a n/a
2021-11-12 2021-09-30 13F BOSTON SCIENTIFIC COM Call 81,300 121.53 3,557 127.72 n/a n/a n/a
2021-08-13 2021-06-30 13F BOSTON SCIENTIFIC COM Call 36,700 -18.63 1,562 -10.84 n/a n/a n/a
2021-05-14 2021-03-31 13F BOSTON SCIENTIFIC COM Call 45,100 -48.28 1,752 -43.57 n/a n/a n/a
2021-02-25 2020-12-31 13F/A BOSTON SCIENTIFIC COM Call 87,200 277.49 3,105 250.06 n/a n/a n/a
2020-11-12 2020-09-30 13F BOSTON SCIENTIFIC COM Call 23,100 -73.51 887 -71.43 n/a n/a n/a
2020-08-14 2020-06-30 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-05-15 2020-03-31 13F BOSTON SCIENTIFIC COM Call 86,100 -33.72 2,828 -51.67 n/a n/a n/a
2020-02-14 2019-12-31 13F BOSTON SCIENTIFIC COM Call 129,900 0.00 5,852 10.71 n/a n/a n/a
2019-11-14 2019-09-30 13F BOSTON SCIENTIFIC COM Call 129,900 207.09 5,286 190.76 n/a n/a n/a
2019-08-13 2019-06-30 13F BOSTON SCIENTIFIC COM Call 42,300 15.89 1,818 29.76 n/a n/a n/a
2019-05-15 2019-03-31 13F BOSTON SCIENTIFIC COM Call 36,500 103.91 1,401 121.33 n/a n/a n/a
2019-02-13 2018-12-31 13F BOSTON SCIENTIFIC COM Call 17,900 0.00 633 -8.13 n/a n/a n/a
2018-11-13 2018-09-30 13F BOSTON SCIENTIFIC COM Call 17,900 0.00 689 17.78 n/a n/a n/a
2018-08-10 2018-06-30 13F BOSTON SCIENTIFIC COM Call 17,900 0.00 585 19.63 n/a n/a n/a
2018-05-11 2018-03-31 13F BOSTON SCIENTIFIC COM Call 17,900 0.00 489 -16.41 n/a n/a n/a
2018-02-14 2017-12-31 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-11-14 2017-09-30 13F BOSTON SCIENTIFIC COM Call 14,000 408 n/a n/a n/a
2017-08-14 2017-06-30 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-05-15 2017-03-31 13F BOSTON SCIENTIFIC COM Call 50,000 1,244 n/a n/a n/a
2017-02-09 2016-12-31 13F BOSTON SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-11-14 2016-09-30 13F BOSTON SCIENTIFIC COM Call 230,000 15.00 5,474 17.12 n/a n/a n/a
2016-08-12 2016-06-30 13F BOSTON SCIENTIFIC COM Call 200,000 4,674 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-03-20 2025-12-31 13F/A BOSTON SCIENTIFIC COM Put 47,000 -31.29 4,497 -32.67 n/a n/a n/a
2026-03-06 2025-12-31 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 n/a n/a n/a
2025-11-13 2025-09-30 13F BOSTON SCIENTIFIC COM Put 68,400 0.00 6,679 -8.63 n/a n/a n/a
2025-08-13 2025-06-30 13F BOSTON SCIENTIFIC COM Put 68,400 -36.13 7,311 -31.82 n/a n/a n/a
2025-05-14 2025-03-31 13F BOSTON SCIENTIFIC COM Put 107,100 -48.34 10,722 -42.26 n/a n/a n/a
2025-02-14 2024-12-31 13F BOSTON SCIENTIFIC COM Put 207,300 141.89 18,568 160.66 n/a n/a n/a
2024-11-14 2024-09-30 13F BOSTON SCIENTIFIC COM Put 85,700 -63.64 7,123 -60.84 n/a n/a n/a
2024-08-12 2024-06-30 13F BOSTON SCIENTIFIC COM Put 235,700 175.03 18,189 209.90 n/a n/a n/a
2024-05-15 2024-03-31 13F BOSTON SCIENTIFIC COM Put 85,700 33.07 5,870 57.68 n/a n/a n/a
2024-02-12 2023-12-31 13F BOSTON SCIENTIFIC COM Put 64,400 12.20 3,723 22.39 n/a n/a n/a
2023-11-13 2023-09-30 13F BOSTON SCIENTIFIC COM Put 57,400 510.64 3,042 498.62 n/a n/a n/a
2023-08-11 2023-06-30 13F BOSTON SCIENTIFIC COM Put 9,400 509 n/a n/a n/a
2023-05-15 2023-03-31 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-14 2022-12-31 13F BOSTON SCIENTIFIC COM Put 187,300 19.68 8,621 40.20 n/a n/a n/a
2022-11-14 2022-09-30 13F BOSTON SCIENTIFIC COM Put 156,500 430.51 6,149 455.47 n/a n/a n/a
2022-08-11 2022-06-30 13F BOSTON SCIENTIFIC COM Put 29,500 1,107 n/a n/a n/a
2022-05-16 2022-03-31 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-02-11 2021-12-31 13F BOSTON SCIENTIFIC COM Put 6,200 265 n/a n/a n/a
2021-11-12 2021-09-30 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-08-13 2021-06-30 13F BOSTON SCIENTIFIC COM Put 60,700 2,583 n/a n/a n/a
2020-05-15 2020-03-31 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-02-14 2019-12-31 13F BOSTON SCIENTIFIC COM Put 178,700 -20.47 8,050 -11.95 n/a n/a n/a
2019-11-14 2019-09-30 13F BOSTON SCIENTIFIC COM Put 224,700 43.85 9,143 36.20 n/a n/a n/a
2019-08-13 2019-06-30 13F BOSTON SCIENTIFIC COM Put 156,200 -1.70 6,713 10.07 n/a n/a n/a
2019-05-15 2019-03-31 13F BOSTON SCIENTIFIC COM Put 158,900 130.29 6,099 150.16 n/a n/a n/a
2019-02-13 2018-12-31 13F BOSTON SCIENTIFIC COM Put 69,000 0.00 2,438 -8.24 n/a n/a n/a
2018-11-13 2018-09-30 13F BOSTON SCIENTIFIC COM Put 69,000 0.00 2,657 17.77 n/a n/a n/a
2018-08-10 2018-06-30 13F BOSTON SCIENTIFIC COM Put 69,000 0.00 2,256 19.68 n/a n/a n/a
2018-05-11 2018-03-31 13F BOSTON SCIENTIFIC COM Put 69,000 0.00 1,885 -16.45 n/a n/a n/a
2018-02-14 2017-12-31 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-11-14 2017-09-30 13F BOSTON SCIENTIFIC COM Put 68,700 2,004 n/a n/a n/a
2017-08-14 2017-06-30 13F BOSTON SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-05-15 2017-03-31 13F BOSTON SCIENTIFIC COM Put 60,000 8.70 1,492 24.96 n/a n/a n/a
2017-02-09 2016-12-31 13F BOSTON SCIENTIFIC COM Put 55,200 0.00 1,194 -9.13 n/a n/a n/a
2016-11-14 2016-09-30 13F BOSTON SCIENTIFIC COM Put 55,200 119.05 1,314 123.09 n/a n/a n/a
2016-08-12 2016-06-30 13F BOSTON SCIENTIFIC COM Put 25,200 589 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.