Select Medical Holdings Corporation
US ˙ NYSE ˙ US81619Q1058

SecuritySEM / Select Medical Holdings Corporation
InstitutionMorgan Stanley
Latest Disclosed Ownership851,429 shares
Latest Disclosed Value $ 13,869,787
Morgan Stanley reports 11.93% decrease in ownership of SEM / Select Medical Holdings Corporation

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 851,429 shares of Select Medical Holdings Corporation (US:SEM) valued at $13,869,778 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 966,710 shares of Select Medical Holdings Corporation. This represents a change in shares of -11.93% during the quarter. The current value of the position is $14,040,064 USD.

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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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)
2026-05-15 2026-03-31 13F SELECT MED HLDGS COM 81619Q105 851,429 -115,281 -11.93 13,870 -3.39 0.0008
2026-05-27 2025-12-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 966,710 -252,043 -20.68 14,356 -8.26 0.0009
2026-02-13 2025-12-31 13F SELECT MED HLDGS COM 81619Q105 966,710 -252,043 14,356 0.0009
2026-05-27 2025-09-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 1,218,753 -267,202 -17.98 15,649 -30.63 0.0009
2025-11-14 2025-09-30 13F SELECT MED HLDGS COM 81619Q105 1,218,753 -267,202 15,649 0.0009
2025-08-15 2025-06-30 13F SELECT MED HLDGS COM 81619Q105 1,485,955 310,914 26.46 22,557 14.95 0.0015
2025-05-15 2025-03-31 13F SELECT MED HLDGS COM 81619Q105 1,175,041 55,113 4.92 19,623 -7.04 0.0014
2025-05-15 2024-12-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 1,119,928 -9,211 -0.82 21,111 -46.38 0.0015
2025-02-14 2024-12-31 13F SELECT MED HLDGS COM 81619Q105 1,119,928 -9,211 21,111 0.0015
2025-05-14 2024-09-30 13F/A-2 SELECT MED HLDGS COM 81619Q105 1,129,139 213,780 23.35 39,373 22.69 0.0029
2025-02-14 2024-09-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 1,129,139 213,780 39,373 0.0029
2024-11-14 2024-09-30 13F SELECT MED HLDGS COM 81619Q105 1,129,139 213,780 39,373 0.0003
2025-05-14 2024-06-30 13F/A-2 SELECT MED HLDGS COM 81619Q105 915,359 -212,617 -18.85 32,093 -5.63 0.0025
2024-10-17 2024-06-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 915,359 -212,617 32,093 0.0025
2024-08-14 2024-06-30 13F SELECT MED HLDGS COM 81619Q105 915,359 -212,617 32,093 0.0025
2024-10-17 2024-03-31 13F/A-2 SELECT MED HLDGS COM 81619Q105 1,127,976 -217,796 -16.18 34,009 7.54 0.0027
2024-08-16 2024-03-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 1,127,976 -217,796 34,009 0.0003
2024-05-15 2024-03-31 13F SELECT MED HLDGS COM 81619Q105 1,127,976 -217,796 34,009 0.0027
2024-08-16 2023-12-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 1,345,772 386,426 40.28 31,626 30.46 0.0028
2024-02-13 2023-12-31 13F SELECT MED HLDGS COM 81619Q105 1,345,772 386,426 31,626 0.0028
2023-11-15 2023-09-30 13F SELECT MED HLDGS COM 81619Q105 959,346 36,572 3.96 24,243 -17.54 0.0025
2023-08-14 2023-06-30 13F SELECT MED HLDGS COM 81619Q105 922,774 110,806 13.65 29,400 40.07 0.0029
2023-05-15 2023-03-31 13F SELECT MED HLDGS COM 81619Q105 811,968 -220,683 -21.37 20,989 -18.14 0.0023
2023-02-14 2022-12-31 13F SELECT MED HLDGS COM 81619Q105 1,032,651 -26,720 -2.52 25,641 9.52 0.0029
2022-11-14 2022-09-30 13F SELECT MED HLDGS COM 81619Q105 1,059,371 -17,525 -1.63 23,412 -7.96 0.0032
2022-10-27 2022-06-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 1,076,896 248,261 29.96 25,438 27.96 0.0033
2022-08-15 2022-06-30 13F SELECT MED HLDGS COM 81619Q105 1,076,896 248,261 25,438 0.0033
2022-10-27 2022-03-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 828,635 -38,600 -4.45 19,880 -22.03 0.0027
2022-05-13 2022-03-31 13F SELECT MED HLDGS COM 81619Q105 828,635 -38,600 19,880 0.0027
2022-02-14 2021-12-31 13F SELECT MED HLDGS COM 81619Q105 867,235 443,655 104.74 25,498 66.43 0.0031
2021-11-15 2021-09-30 13F SELECT MED HLDGS COM 81619Q105 423,580 11,869 2.88 15,321 -11.94 0.0021
2021-08-23 2021-06-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 411,711 -38,119 -8.47 17,398 13.42 0.0023
2021-08-16 2021-06-30 13F SELECT MED HLDGS COM 81619Q105 411,711 -38,119 17,398 0.0005
2021-05-17 2021-03-31 13F SELECT MED HLDGS COM 81619Q105 449,830 -140,862 -23.85 15,340 -6.11 0.0023
2021-02-16 2020-12-31 13F SELECT MED HLDGS COM 81619Q105 590,692 306,785 108.06 16,338 176.40 0.0025
2020-11-13 2020-09-30 13F SELECT MED HLDGS COM 81619Q105 283,907 -28,119 -9.01 5,911 28.58 0.0011
2020-08-14 2020-06-30 13F SELECT MED HLDGS COM 81619Q105 312,026 -564,373 -64.40 4,597 -65.03 0.0010
2020-05-26 2020-03-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 876,399 327,757 59.74 13,146 2.65 0.0036
2020-05-15 2020-03-31 13F SELECT MED HLDGS COM 81619Q105 876,399 327,757 13,146 1,009.8868
2020-02-14 2019-12-31 13F SELECT MED HLDGS COM 81619Q105 548,642 105,557 23.82 12,807 74.43 0.0030
2019-11-14 2019-09-30 13F SELECT MED HLDGS COM 81619Q105 443,085 -48,452 -9.86 7,342 -5.88 0.0019
2019-08-14 2019-06-30 13F SELECT MED HLDGS COM 81619Q105 491,537 37,529 8.27 7,801 21.99 0.0021
2019-05-15 2019-03-31 13F SELECT MED HLDGS COM 81619Q105 454,008 -206,898 -31.31 6,395 -36.96 0.0018
2019-02-14 2018-12-31 13F SELECT MED HLDGS COM 81619Q105 660,906 -5,240 -0.79 10,145 -17.23 0.0030
2019-04-23 2018-09-30 13F/A-2 SELECT MED HLDGS COM 81619Q105 666,146 395,394 146.04 12,257 149.43 0.0031
2018-11-20 2018-09-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 666,146 0 12,257 0.0031
2018-11-14 2018-09-30 13F SELECT MED HLDGS COM 81619Q105 666,146 395,394 12,257
2019-04-23 2018-06-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 270,752 -77,269 -22.20 4,914 -18.13 0.0013
2018-08-14 2018-06-30 13F SELECT MED HLDGS COM 81619Q105 270,752 -77,269 4,914
2019-04-23 2018-03-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 348,021 -134,089 -27.81 6,002 -29.47 0.0017
2018-05-14 2018-03-31 13F SELECT MED HLDGS COM 81619Q105 348,021 -134,089 6,002
2019-04-23 2017-12-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 482,110 72,550 17.71 8,510 8.21 0.0023
2018-02-14 2017-12-31 13F SELECT MED HLDGS COM 81619Q105 482,110 72,550 8,510
2017-11-14 2017-09-30 13F SELECT MED HLDGS COM 81619Q105 409,560 163,404 66.38 7,864 108.15 0.0024
2017-08-11 2017-06-30 13F SELECT MED HLDGS COM 81619Q105 246,156 -32,926 -11.80 3,778 1.42 0.0011
2017-05-22 2017-03-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 279,082 -54,611 -16.37 3,725 -15.74 0.0011
2017-05-12 2017-03-31 13F SELECT MED HLDGS COM 81619Q105 279,082 3,725
2017-02-22 2016-12-31 13F/A-1 SELECT MED HLDGS COM 81619Q105 333,693 284,252 574.93 4,421 561.83 0.0014
2017-02-13 2016-12-31 13F SELECT MED HLDGS COM 81619Q105 333,693 4,421
2016-11-10 2016-09-30 13F SELECT MED HLDGS COM 81619Q105 49,441 -745,607 -93.78 668 -92.27 0.0002
2016-08-12 2016-06-30 13F SELECT MED HLDGS COM 81619Q105 795,048 713,567 875.75 8,642 798.34 0.0031
2016-05-12 2016-03-31 13F SELECT MED HLDGS COM 81619Q105 81,481 8,086 11.02 962 10.07 0.0004
2016-02-09 2015-12-31 13F SELECT MED HLDGS COM 81619Q105 73,395 -610,519 -89.27 874 -88.16 0.0003
2016-02-08 2015-09-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 683,914 452,733 195.83 7,379 97.04 0.0027
2015-11-09 2015-09-30 13F SELECT MED HLDGS COM 81619Q105 683,914 7,379
2015-08-12 2015-06-30 13F SELECT MED HLDGS COM 81619Q105 231,181 38,267 19.84 3,745 30.90 0.0013
2015-05-14 2015-03-31 13F SELECT MED HLDGS COM 81619Q105 192,914 -249,025 -56.35 2,861 -55.04 0.0011
2015-02-13 2014-12-31 13F SELECT MED HLDGS COM 81619Q105 441,939 -251,250 -36.25 6,364 -23.69 0.0023
2014-12-16 2014-09-30 13F/A-1 SELECT MED HLDGS COM 81619Q105 693,189 356,351 105.79 8,340 98.81 0.0032
2014-11-14 2014-09-30 13F SELECT MED HLDGS COM 81619Q105 693,189 8,340
2014-05-13 2014-03-31 13F SELECT MED HLDGS COM 81619Q105 336,838 251,947 296.79 4,195 325.46 0.0018
2014-02-13 2013-12-31 13F SELECT MED HLDGS COM 81619Q105 84,891 -394,239 -82.28 986 -74.51 0.0004
2013-11-13 2013-09-30 13F SELECT MEDICAL HOLDING COM 81619Q105 479,130 -141,123 -22.75 3,868 -23.95 0.0018
2013-08-08 2013-06-30 13F SELECT MEDICAL HOLDING COM 81619Q105 620,253 620,253 5,086 0.0026
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.