스테이트 스트리트 SPDR S&P 500 ETF 트러스트
US ˙ ARCA ˙ US78462F1030

SecuritySPY / State Street SPDR S&P 500 ETF Trust
InstitutionProfessional Advisory Services Inc
Latest Disclosed Ownership1,810 shares
Latest Disclosed Value $ 1,177
Professional Advisory Services Inc reports 4.18% decrease in ownership of SPY / State Street SPDR S&P 500 ETF Trust

On April 15, 2026 - Professional Advisory Services Inc filed a 13F-HR form disclosing ownership of 1,810 shares of State Street SPDR S&P 500 ETF Trust (US:SPY) valued at $1,177,115 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 12, 2026 disclosing 1,889 shares of State Street SPDR S&P 500 ETF Trust. This represents a change in shares of -4.18% during the quarter. The current value of the position is $1,334,966 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)
2026-04-15 2026-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 1,810 -79 -4.18 1 0.00 0.1625
2026-01-12 2025-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 1,889 -7 -0.37 1 0.00 0.1669
2025-10-29 2025-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 1,896 -168 -8.14 1 0.00 0.1644
2025-07-11 2025-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,064 -363 -14.96 1 0.00 0.1730
2025-04-14 2025-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,427 40 1.68 1 0.00 0.1902
2025-01-15 2024-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,387 -175 -6.83 1 0.00 0.1931
2024-10-17 2024-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,562 -180 -6.56 1 0.00 0.1930
2024-07-10 2024-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,742 -38 -1.37 1 0.00 0.2037
2024-04-22 2024-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,780 -32 -1.14 1 0.00 0.1973
2024-01-10 2023-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,812 -29 -1.02 1 0.00 0.1911
2023-10-10 2023-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,841 -158 -5.27 1 0.00 0.1997
2023-07-10 2023-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,999 11 0.37 1 0.00 0.2018
2023-04-11 2023-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,988 -4 -0.13 1 0.00 0.1906
2023-01-13 2022-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,992 -5 -0.17 1 -99.91 0.1862
2022-10-11 2022-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,997 1 0.03 1,070 -5.31 0.1859
2022-07-13 2022-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,996 -56 -1.83 1,130 -18.00 0.1883
2022-04-18 2022-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 3,052 -9 -0.29 1,378 -5.23 0.1978
2022-01-19 2021-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 3,061 -82 -2.61 1,454 7.78 0.1977
2021-10-05 2021-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 3,143 -36 -1.13 1,349 -0.88 0.1981
2021-08-20 2021-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 3,179 127 4.16 1,361 12.48 0.1976
2021-04-26 2021-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 3,052 -73 -2.34 1,210 3.60 0.1853
2021-01-21 2020-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 3,125 -431 -12.12 1,168 -1.93 0.1878
2020-10-19 2020-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 3,556 -75 -2.07 1,191 6.34 0.2126
2020-07-24 2020-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 3,631 -263 -6.75 1,120 11.55 0.2155
2020-04-23 2020-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 3,894 -473 -10.83 1,004 -28.59 0.2330
2020-01-23 2019-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 4,367 118 2.78 1,406 11.50 0.2504
2019-10-28 2019-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 4,249 15 0.35 1,261 1.61 0.2397
2019-07-30 2019-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 4,234 132 3.22 1,241 7.08 0.2406
2019-04-29 2019-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 4,102 21 0.51 1,159 13.63 0.2328
2019-01-17 2018-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 4,081 -184 -4.31 1,020 -17.74 0.2272
2018-10-25 2018-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 4,265 -42 -0.98 1,240 6.16 0.2445
2018-07-25 2018-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 4,307 -296 -6.43 1,168 -3.55 0.2410
2018-04-24 2018-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 4,603 320 7.47 1,211 5.95 0.2621
2018-01-19 2017-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 4,283 528 14.06 1,143 21.21 0.2410
2017-10-12 2017-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 3,755 104 2.85 943 6.80 0.2009
2017-07-13 2017-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 3,651 519 16.57 883 19.65 0.1916
2017-04-19 2017-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 3,132 285 10.01 738 16.04 0.1634
2017-01-19 2016-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,847 82 2.97 636 6.35 0.1479
2016-10-20 2016-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,765 165 6.35 598 9.72 0.1363
2016-07-15 2016-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,600 223 9.38 545 11.45 0.1247
2016-04-15 2016-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,377 -27 -1.12 489 -0.20 0.1156
2016-01-19 2015-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,404 -14 -0.58 490 5.83 0.1169
2015-10-26 2015-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,418 194 8.72 463 1.09 0.1162
2015-07-15 2015-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,224 143 6.87 458 6.51 0.1097
2015-04-20 2015-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,081 126 6.45 430 6.97 0.1033
2015-01-22 2014-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 1,955 -392 -16.70 402 -12.99 0.0937
2014-10-21 2014-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,347 -196 -7.71 462 -7.23 0.1117
2014-07-23 2014-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,543 113 4.65 498 9.69 0.1209
2014-04-08 2014-03-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,430 -103 -4.07 454 -2.99 0.1133
2014-02-10 2013-12-31 13F SPDR S&P500 ETF TRUST COM 78462F103 2,533 -325 -11.37 468 -2.50 0.1216
2013-10-18 2013-09-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,858 210 7.93 480 12.94 0.1354
2013-07-29 2013-06-30 13F SPDR S&P500 ETF TRUST COM 78462F103 2,648 2,648 425 0.1269
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.