Equinix, Inc.
MX ˙ BMV ˙ US29444U7000
SecurityMX:EQIX / Equinix, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership212,163 shares
Latest Disclosed Value $ 207,970,170
Citigroup Inc ownership in EQIX / Equinix, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 212,163 shares of Equinix, Inc. (MX:EQIX) valued at $207,970,170 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 172,551 shares of Equinix, Inc.. This represents a change in shares of 22.96% during the quarter.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (EQIX) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 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:EQIX / Equinix, Inc. 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)
2026-05-11 2026-03-31 13F EQUINIX COM 29444U700 212,163 39,612 22.96 207,970 57.31 0.0887
2026-02-13 2025-12-31 13F EQUINIX COM 29444U700 172,551 59,865 53.13 132,202 49.79 0.0583
2025-11-10 2025-09-30 13F EQUINIX COM 29444U700 112,686 -56,602 -33.44 88,260 -34.46 0.0393
2025-08-11 2025-06-30 13F EQUINIX COM 29444U700 169,288 20,779 13.99 134,664 11.21 0.0661
2025-05-12 2025-03-31 13F EQUINIX COM 29444U700 148,509 88,033 145.57 121,087 112.35 0.0619
2025-02-12 2024-12-31 13F EQUINIX COM 29444U700 60,476 -9,043 -13.01 57,023 -7.59 0.0338
2024-11-12 2024-09-30 13F EQUINIX COM 29444U700 69,519 -44,216 -38.88 61,707 -28.29 0.0357
2024-08-12 2024-06-30 13F EQUINIX COM 29444U700 113,735 -43,400 -27.62 86,052 -33.65 0.0551
2024-05-10 2024-03-31 13F EQUINIX COM 29444U700 157,135 13,328 9.27 129,689 11.97 0.0852
2024-02-09 2023-12-31 13F EQUINIX COM 29444U700 143,807 -3,188 -2.17 115,821 8.49 0.0816
2023-12-06 2023-09-30 13F/A-1 EQUINIX COM 29444U700 146,995 315 0.21 106,757 -7.16 0.0798
2023-11-09 2023-09-30 13F EQUINIX COM 29444U700 146,995 315 106,757 0.0797
2023-08-10 2023-06-30 13F EQUINIX COM 29444U700 146,680 -824 -0.56 114,989 8.12 0.0754
2023-05-11 2023-03-31 13F EQUINIX COM 29444U700 147,504 10,531 7.69 106,356 18.54 0.0746
2023-02-09 2022-12-31 13F EQUINIX COM 29444U700 136,973 -37,854 -21.65 89,722 -9.78 0.0714
2022-11-10 2022-09-30 13F EQUINIX COM 29444U700 174,827 381 0.22 99,448 -13.23 0.0712
2022-08-10 2022-06-30 13F EQUINIX COM 29444U700 174,446 -28,902 -14.21 114,615 -24.00 0.0853
2022-05-12 2022-03-31 13F EQUINIX COM 29444U700 203,348 -40,823 -16.72 150,806 -26.98 0.0917
2022-02-10 2021-12-31 13F EQUINIX COM 29444U700 244,171 -24,244 -9.03 206,531 -2.62 0.1106
2021-11-10 2021-09-30 13F EQUINIX COM 29444U700 268,415 18,954 7.60 212,084 5.93 0.1253
2021-08-10 2021-06-30 13F EQUINIX COM 29444U700 249,461 32,424 14.94 200,217 35.74 0.1205
2021-05-13 2021-03-31 13F EQUINIX COM 29444U700 217,037 35,844 19.78 147,496 13.98 0.0954
2021-02-11 2020-12-31 13F EQUINIX COM 29444U700 181,193 17,934 10.98 129,405 4.28 0.0764
2020-11-12 2020-09-30 13F EQUINIX COM 29444U700 163,259 41,981 34.62 124,098 45.70 0.0810
2020-08-12 2020-06-30 13F EQUINIX COM 29444U700 121,278 22,856 23.22 85,173 38.56 0.0665
2020-05-12 2020-03-31 13F EQUINIX COM 29444U700 98,422 -11,087 -10.12 61,472 -3.83 0.0556
2020-02-12 2019-12-31 13F EQUINIX COM 29444U700 109,509 123 0.11 63,921 1.31 0.0463
2019-11-08 2019-09-30 13F EQUINIX COM 29444U700 109,386 -7,611 -6.51 63,093 6.94 0.0500
2019-08-12 2019-06-30 13F EQUINIX COM 29444U700 116,997 -3,538 -2.94 59,000 8.02 0.0477
2019-05-13 2019-03-31 13F EQUINIX COM 29444U700 120,535 12,153 11.21 54,622 42.95 0.0526
2019-02-12 2018-12-31 13F EQUINIX COM PAR $0.001 29444U700 108,382 -3,693 -3.30 38,211 -21.24 0.0387
2018-11-13 2018-09-30 13F EQUINIX COM PAR $0.001 29444U700 112,075 -3,918 -3.38 48,516 -2.70 0.0433
2018-08-10 2018-06-30 13F EQUINIX COM PAR $0.001 29444U700 115,993 15,625 15.57 49,864 18.81 0.0458
2018-05-11 2018-03-31 13F EQUINIX COM PAR $0.001 29444U700 100,368 23,294 30.22 41,969 20.14 0.0346
2018-02-12 2017-12-31 13F EQUINIX COM PAR $0.001 29444U700 77,074 7,064 10.09 34,932 11.80 0.0280
2017-11-13 2017-09-30 13F EQUINIX COM PAR $0.001 29444U700 70,010 5,420 8.39 31,246 12.72 0.0256
2017-08-11 2017-06-30 13F EQUINIX COM PAR $0.001 29444U700 64,590 -552 -0.85 27,720 6.29 0.0250
2017-05-12 2017-03-31 13F EQUINIX COM PAR $0.001 29444U700 65,142 -36,403 -35.85 26,080 -28.14 0.0232
2017-02-10 2016-12-31 13F EQUINIX COM PAR $0.001 29444U700 101,545 87,150 605.42 36,294 599.85 0.0327
2016-11-10 2016-09-30 13F EQUINIX COM PAR $0.001 29444U700 14,395 3,361 30.46 5,186 21.25 0.0048
2016-08-12 2016-06-30 13F EQUINIX COM PAR $0.001 29444U700 11,034 -5,774 -34.35 4,277 -23.05 0.0044
2016-05-13 2016-03-31 13F EQUINIX COM PAR $0.001 29444U700 16,808 5,246 45.37 5,558 58.98 0.0062
2016-02-12 2015-12-31 13F EQUINIX COM PAR $0.001 29444U700 11,562 -11,082 -48.94 3,496 -43.53 0.0035
2015-11-13 2015-09-30 13F EQUINIX COM PAR $0.001 29444U700 22,644 3,165 16.25 6,191 25.12 0.0058
2015-08-13 2015-06-30 13F EQUINIX COM PAR $0.001 29444U700 19,479 6,745 52.97 4,948 66.94 0.0044
2015-05-14 2015-03-31 13F EQUINIX COM PAR $0.001 29444U700 12,734 -612 -4.59 2,964 -2.05 0.0029
2015-02-17 2014-12-31 13F EQUINIX COM NEW 29444U502 13,346 9,917 289.21 3,026 315.66 0.0027
2014-11-14 2014-09-30 13F EQUINIX COM NEW 29444U502 3,429 -9,152 -72.74 728 -72.47 0.0006
2014-08-14 2014-06-30 13F EQUINIX COM NEW 29444U502 12,581 9,145 266.15 2,644 316.38 0.0025
2014-05-15 2014-03-31 13F EQUINIX COM NEW 29444U502 3,436 -28,242 -89.15 635 -88.70 0.0006
2014-02-14 2013-12-31 13F EQUINIX COM NEW 29444U502 31,678 14,163 80.86 5,621 74.78 0.0051
2013-11-14 2013-09-30 13F EQUINIX COM NEW 29444U502 17,515 -20,752 -54.23 3,216 -54.50 0.0030
2013-08-14 2013-06-30 13F EQUINIX COM NEW 29444U502 38,267 38,267 7,068 0.0070
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
(%)
2022-08-10 2022-06-30 13F EQUINIX COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-12 2022-03-31 13F EQUINIX COM Call 10,000 -52.38 7,416 -58.25 n/a n/a n/a
2022-02-10 2021-12-31 13F EQUINIX COM Call 21,000 -20.75 17,763 -15.16 n/a n/a n/a
2021-11-10 2021-09-30 13F EQUINIX COM Call 26,500 29.27 20,938 27.26 n/a n/a n/a
2021-08-10 2021-06-30 13F EQUINIX COM Call 20,500 -43.06 16,453 -32.75 n/a n/a n/a
2021-05-13 2021-03-31 13F EQUINIX COM Call 36,000 89.47 24,466 80.31 n/a n/a n/a
2021-02-11 2020-12-31 13F EQUINIX COM Call 19,000 88.12 13,569 76.75 n/a n/a n/a
2020-11-12 2020-09-30 13F EQUINIX COM Call 10,100 -54.30 7,677 -50.53 n/a n/a n/a
2020-08-12 2020-06-30 13F EQUINIX COM Call 22,100 1.84 15,520 14.50 n/a n/a n/a
2020-05-12 2020-03-31 13F EQUINIX COM Call 21,700 1,346.67 13,554 1,447.26 n/a n/a n/a
2020-02-12 2019-12-31 13F EQUINIX COM Call 1,500 -68.75 876 -68.36 n/a n/a n/a
2019-11-08 2019-09-30 13F EQUINIX COM Call 4,800 128.57 2,769 161.47 n/a n/a n/a
2019-08-12 2019-06-30 13F EQUINIX COM Call 2,100 75.00 1,059 94.67 n/a n/a n/a
2019-05-13 2019-03-31 13F EQUINIX COM Call 1,200 100.00 544 156.60 n/a n/a n/a
2019-02-12 2018-12-31 13F EQUINIX COM PAR $0.001 Call 600 212 n/a n/a n/a
2018-11-13 2018-09-30 13F EQUINIX COM PAR $0.001 Call 0 -100.00 0 -100.00 n/a n/a n/a
2018-08-10 2018-06-30 13F EQUINIX COM PAR $0.001 Call 600 -89.47 258 -89.17 n/a n/a n/a
2018-05-11 2018-03-31 13F EQUINIX COM PAR $0.001 Call 5,700 -51.69 2,383 -55.44 n/a n/a n/a
2018-02-12 2017-12-31 13F EQUINIX COM PAR $0.001 Call 11,800 3,833.33 5,348 3,891.04 n/a n/a n/a
2017-11-13 2017-09-30 13F EQUINIX COM PAR $0.001 Call 300 134 n/a n/a n/a
2017-08-11 2017-06-30 13F EQUINIX COM PAR $0.001 Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-05-12 2017-03-31 13F EQUINIX COM PAR $0.001 Call 10,000 4,900.00 4,004 5,539.44 n/a n/a n/a
2017-02-10 2016-12-31 13F EQUINIX COM PAR $0.001 Call 200 100.00 71 97.22 n/a n/a n/a
2016-11-10 2016-09-30 13F EQUINIX COM PAR $0.001 Call 100 -98.82 36 -98.91 n/a n/a n/a
2016-08-12 2016-06-30 13F EQUINIX COM PAR $0.001 Call 8,500 8,400.00 3,296 9,887.88 n/a n/a n/a
2016-05-13 2016-03-31 13F EQUINIX COM PAR $0.001 Call 100 -75.00 33 -72.73 n/a n/a n/a
2016-02-12 2015-12-31 13F EQUINIX COM PAR $0.001 Call 400 -80.00 121 -77.88 n/a n/a n/a
2015-11-13 2015-09-30 13F EQUINIX COM PAR $0.001 Call 2,000 -98.18 547 -97.20 n/a n/a n/a
2014-02-14 2013-12-31 13F EQUINIX COM NEW Call 110,100 11.21 19,537 7.46 n/a n/a n/a
2013-11-14 2013-09-30 13F EQUINIX COM NEW Call 99,000 18,181 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
(%)
2024-08-12 2024-06-30 13F EQUINIX COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-05-10 2024-03-31 13F EQUINIX COM Put 5,000 -37.50 4,127 -35.96 n/a n/a n/a
2024-02-09 2023-12-31 13F EQUINIX COM Put 8,000 166.67 6,443 195.82 n/a n/a n/a
2023-12-06 2023-09-30 13F/A EQUINIX COM Put 3,000 0.00 2,179 -7.36 n/a n/a n/a
2023-11-09 2023-09-30 13F EQUINIX COM Put 3,000 2,179 n/a n/a n/a
2023-08-10 2023-06-30 13F EQUINIX COM Put 3,000 0.00 2,352 8.69 n/a n/a n/a
2023-05-11 2023-03-31 13F EQUINIX COM Put 3,000 2,163 n/a n/a n/a
2023-02-09 2022-12-31 13F EQUINIX COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-11-10 2022-09-30 13F EQUINIX COM Put 16,000 9,101 n/a n/a n/a
2020-11-12 2020-09-30 13F EQUINIX COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-08-12 2020-06-30 13F EQUINIX COM Put 1,400 27.27 983 43.09 n/a n/a n/a
2020-05-12 2020-03-31 13F EQUINIX COM Put 1,100 450.00 687 487.18 n/a n/a n/a
2020-02-12 2019-12-31 13F EQUINIX COM Put 200 -93.10 117 -93.01 n/a n/a n/a
2019-11-08 2019-09-30 13F EQUINIX COM Put 2,900 31.82 1,673 50.72 n/a n/a n/a
2019-08-12 2019-06-30 13F EQUINIX COM Put 2,200 0.00 1,110 11.33 n/a n/a n/a
2019-05-13 2019-03-31 13F EQUINIX COM Put 2,200 450.00 997 607.09 n/a n/a n/a
2019-02-12 2018-12-31 13F EQUINIX COM PAR $0.001 Put 400 -73.33 141 -78.27 n/a n/a n/a
2018-11-13 2018-09-30 13F EQUINIX COM PAR $0.001 Put 1,500 200.00 649 201.86 n/a n/a n/a
2018-08-10 2018-06-30 13F EQUINIX COM PAR $0.001 Put 500 -88.89 215 -88.57 n/a n/a n/a
2018-05-11 2018-03-31 13F EQUINIX COM PAR $0.001 Put 4,500 -53.12 1,881 -56.77 n/a n/a n/a
2018-02-12 2017-12-31 13F EQUINIX COM PAR $0.001 Put 9,600 405.26 4,351 413.09 n/a n/a n/a
2017-11-13 2017-09-30 13F EQUINIX COM PAR $0.001 Put 1,900 26.67 848 31.68 n/a n/a n/a
2017-08-11 2017-06-30 13F EQUINIX COM PAR $0.001 Put 1,500 -74.58 644 -72.73 n/a n/a n/a
2017-05-12 2017-03-31 13F EQUINIX COM PAR $0.001 Put 5,900 -91.75 2,362 -90.76 n/a n/a n/a
2017-02-10 2016-12-31 13F EQUINIX COM PAR $0.001 Put 71,500 2,206.45 25,555 2,187.82 n/a n/a n/a
2016-11-10 2016-09-30 13F EQUINIX COM PAR $0.001 Put 3,100 -95.63 1,117 -95.94 n/a n/a n/a
2016-08-12 2016-06-30 13F EQUINIX COM PAR $0.001 Put 71,000 70,900.00 27,529 83,321.21 n/a n/a n/a
2016-05-13 2016-03-31 13F EQUINIX COM PAR $0.001 Put 100 -93.87 33 -93.31 n/a n/a n/a
2016-02-12 2015-12-31 13F EQUINIX COM PAR $0.001 Put 1,630 -4.12 493 6.02 n/a n/a n/a
2015-11-13 2015-09-30 13F EQUINIX COM PAR $0.001 Put 1,700 465 n/a n/a n/a
2015-05-14 2015-03-31 13F EQUINIX COM NEW Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-02-17 2014-12-31 13F EQUINIX COM NEW Put 1,236 3.00 280 9.80 n/a n/a n/a
2014-11-14 2014-09-30 13F EQUINIX COM NEW Put 1,200 0.00 255 1.19 n/a n/a n/a
2014-08-14 2014-06-30 13F EQUINIX COM NEW Put 1,200 0.00 252 13.51 n/a n/a n/a
2014-05-15 2014-03-31 13F EQUINIX COM NEW Put 1,200 -97.60 222 -97.50 n/a n/a n/a
2014-02-14 2013-12-31 13F EQUINIX COM NEW Put 50,000 -33.33 8,873 -35.58 n/a n/a n/a
2013-11-14 2013-09-30 13F EQUINIX COM NEW Put 75,000 200.00 13,774 198.27 n/a n/a n/a
2013-08-14 2013-06-30 13F EQUINIX COM NEW Put 25,000 4,618 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.