State Street SPDR S&P 500 ETF Trust
US ˙ ARCA ˙ US78462F1030

SecuritySPY / State Street SPDR S&P 500 ETF Trust
InstitutionMain Management LLC
Latest Disclosed Ownership240,518 shares
Latest Disclosed Value $ 156,419
Main Management LLC reports 1.68% increase in ownership of SPY / State Street SPDR S&P 500 ETF Trust

On May 14, 2026 - Main Management LLC filed a 13F-HR form disclosing ownership of 240,518 shares of State Street SPDR S&P 500 ETF Trust (US:SPY) valued at $156,418,476 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 236,536 shares of State Street SPDR S&P 500 ETF Trust. This represents a change in shares of 1.68% during the quarter. The current value of the position is $177,394,051 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)
2026-05-14 2026-03-31 13F LARGE CAP CORE SPY 78462F103 240,518 3,982 1.68 156 -3.11 11.3842
2026-02-10 2025-12-31 13F LARGE CAP CORE COM 78462F103 236,536 -7,045 -2.89 161 -0.62 11.6073
2025-11-14 2025-09-30 13F LARGE CAP CORE COM 78462F103 243,581 612 0.25 162 8.00 11.8875
2025-08-12 2025-06-30 13F LARGE CAP CORE COM 78462F103 242,969 288 0.12 150 11.11 11.8024
2025-05-15 2025-03-31 13F LARGE CAP CORE COM 78462F103 242,681 -24,148 -9.05 136 -13.46 11.9505
2025-02-14 2024-12-31 13F LARGE CAP CORE COM 78462F103 266,829 -4,826 -1.78 156 0.65 12.7804
2024-11-15 2024-09-30 13F LARGE CAP CORE SPY 78462F103 271,655 -1,601 -0.59 156 4.73 12.8167
2024-08-15 2024-06-30 13F LARGE CAP CORE SPY 78462F103 273,256 24,871 10.01 149 14.73 12.2967
2024-05-15 2024-03-31 13F LARGE CAP CORE SPY 78462F103 248,385 -640 -0.26 130 9.32 11.0904
2024-02-15 2023-12-31 13F LARGE CAP CORE SPY 78462F103 249,025 -24,113 -8.83 118 1.72 11.6184
2023-11-14 2023-09-30 13F LARGE CAP CORE SPY 78462F103 273,138 -1,560 -0.57 117 -4.13 11.8364
2023-08-14 2023-06-30 13F LARGE CAP CORE SPY 78462F103 274,698 -274 -0.10 122 8.04 12.3683
2023-05-12 2023-03-31 13F LARGE CAP CORE SPY 78462F103 274,972 12,942 4.94 113 12.00 11.9421
2023-02-15 2022-12-31 13F LARGE CAP CORE SPY 78462F103 262,030 -11,904 -4.35 100 -99.90 11.5546
2022-11-14 2022-09-30 13F LARGE CAP CORE SPY 78462F103 273,934 -4,169 -1.50 97,844 -6.74 12.0807
2022-08-12 2022-06-30 13F LARGE CAP CORE COM 78462F103 278,103 2,031 0.74 104,914 -15.86 12.5234
2022-05-11 2022-03-31 13F LARGE CAP CORE COM 78462F103 276,072 -440 -0.16 124,685 -5.06 12.8634
2022-02-15 2021-12-31 13F LARGE CAP CORE COM 78462F103 276,512 -7,276 -2.56 131,332 7.84 13.1563
2021-11-16 2021-09-30 13F/A-1 LARGE CAP CORE COM 78462F103 283,788 -2,366 -0.83 121,785 -0.58 13.1004
2021-11-12 2021-09-30 13F LARGE CAP CORE COM 78462F103 283,788 -2,366 1,945 0.2089
2021-08-13 2021-06-30 13F LARGE CAP CORE COM 78462F103 286,154 -2,715 -0.94 122,491 6.99 13.1588
2021-05-14 2021-03-31 13F LARGE CAP CORE COM 78462F103 288,869 19,577 7.27 114,487 13.71 12.7254
2021-02-12 2020-12-31 13F LARGE CAP CORE COM 78462F103 269,292 -66,092 -19.71 100,683 -10.36 12.8895
2020-11-13 2020-09-30 13F LARGE CAP CORE COM 78462F103 335,384 -3,870 -1.14 112,317 7.37 15.7722
2020-08-14 2020-06-30 13F S&P 500 COM 78462F103 339,254 -4,198 -1.22 104,612 18.17 16.5483
2020-05-11 2020-03-31 13F S&P 500 COM 78462F103 343,452 -46,537 -11.93 88,525 -29.47 16.3330
2020-02-12 2019-12-31 13F S&P 500 COM 78462F103 389,989 -1,561 -0.40 125,522 8.02 16.8781
2019-11-07 2019-09-30 13F S&P 500 COM 78462F103 391,550 -4,197 -1.06 116,200 0.21 16.1488
2019-08-08 2019-06-30 13F S&P 500 COM 78462F103 395,747 11,430 2.97 115,954 6.81 16.8612
2019-05-13 2019-03-31 13F S&P 500 COM 78462F103 384,317 -52,119 -11.94 108,562 -0.47 15.9875
2019-02-06 2018-12-31 13F S&P 500 COM 78462F103 436,436 50,704 13.14 109,074 -2.73 16.6807
2018-11-09 2018-09-30 13F S&P 500 COM 78462F103 385,732 -101,519 -20.84 112,140 -15.16 16.1527
2018-07-31 2018-06-30 13F LARGE-CAP BLEND COM 78462F103 487,251 1,511 0.31 132,181 3.41 17.7994
2018-05-07 2018-03-31 13F LARGE-CAP BLEND COM 78462F103 485,740 5,035 1.05 127,822 -0.36 17.5005
2018-02-08 2017-12-31 13F LARGE-CAP BLEND COM 78462F103 480,705 -105,068 -17.94 128,281 -12.83 18.6377
2017-11-07 2017-09-30 13F LARGE-CAP BLEND COM 78462F103 585,773 -3,837 -0.65 147,164 3.22 21.8606
2017-08-02 2017-06-30 13F LARGE-CAP BLEND COM 78462F103 589,610 -8,972 -1.50 142,568 1.03 21.8298
2017-05-08 2017-03-31 13F LARGE-CAP BLEND COM 78462F103 598,582 -36,409 -5.73 141,110 -0.58 22.6781
2017-02-10 2016-12-31 13F LARGE-CAP BLEND COM 78462F103 634,991 10,307 1.65 141,940 5.05 24.5143
2016-11-10 2016-09-30 13F LARGE-CAP BLEND COM 78462F103 624,684 -5,524 -0.88 135,119 2.35 26.5734
2016-11-11 2016-06-30 13F/A-1 LARGE-CAP BLEND COM 78462F103 630,208 14,237 2.31 132,013 4.28 23.7697
2016-08-03 2016-06-30 13F LARGE-CAP BLEND COM 78462F103 630,208 132,013
2016-05-06 2016-03-31 13F LARGE-CAP BLEND COM 78462F103 615,971 -25,656 -4.00 126,594 -3.22 22.8589
2016-02-05 2015-12-31 13F LARGE-CAP BLEND COM 78462F103 641,627 130,052 25.42 130,808 33.43 23.2713
2015-11-09 2015-09-30 13F LARGE-CAP BLEND COM 78462F103 511,575 29,589 6.14 98,033 -1.19 19.1525
2015-08-06 2015-06-30 13F LARGE-CAP BLEND COM 78462F103 481,986 15,634 3.35 99,217 3.06 17.0661
2015-05-06 2015-03-31 13F LARGE-CAP BLEND COM 78462F103 466,352 70,111 17.69 96,269 18.20 17.4315
2015-02-09 2014-12-31 13F LARGE-CAP BLEND COM 78462F103 396,241 35,928 9.97 81,443 14.73 16.2869
2014-11-13 2014-09-30 13F LARGE-CAP BLEND COM 78462F103 360,313 -8,339 -2.26 70,989 -1.61 15.3933
2014-08-13 2014-06-30 13F LARGE-CAP BLEND COM 78462F103 368,652 62,692 20.49 72,153 26.10 15.8335
2014-05-15 2014-03-31 13F LARGE-CAP BLEND COM 78462F103 305,960 -7,702 -2.46 57,218 -1.23 16.3563
2014-02-03 2013-12-31 13F LARGE-CAP BLEND COM 78462F103 313,662 -92,776 -22.83 57,930 -15.17 13.7916
2013-10-30 2013-09-30 13F LARGE-CAP BLEND COM 78462F103 406,438 -8,793 -2.12 68,286 2.51 16.7928
2013-08-09 2013-06-30 13F LARGE-CAP BLEND COM 78462F103 415,231 415,231 66,611 17.5688
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.