Vanguard Index Funds - Vanguard S&P 500 ETF
US ˙ ARCA ˙ US9229083632

SecurityVOO / Vanguard Index Funds - Vanguard S&P 500 ETF
InstitutionTrexquant Investment LP
Latest Disclosed Ownership397 shares
Latest Disclosed Value $ 237,227
Trexquant Investment LP reports 32.25% decrease in ownership of VOO / Vanguard Index Funds - Vanguard S&P 500 ETF

On May 15, 2026 - Trexquant Investment LP filed a 13F-HR form disclosing ownership of 397 shares of Vanguard Index Funds - Vanguard S&P 500 ETF (US:VOO) valued at $237,227 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 586 shares of Vanguard Index Funds - Vanguard S&P 500 ETF. This represents a change in shares of -32.25% during the quarter. The current value of the position is $269,166 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 VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 397 -189 -32.25 237 -35.42 0.0017
2026-02-17 2025-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 586 241 69.86 367 73.93 0.0033
2025-11-14 2025-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 345 -210 -37.84 211 -33.02 0.0022
2025-08-12 2025-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 555 -1,098 -66.42 315 -62.90 0.0036
2025-05-14 2025-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 1,653 -407 -19.76 849 -23.44 0.0099
2025-02-12 2024-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 2,060 -34 -1.62 1,110 0.45 0.0129
2024-11-12 2024-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 2,094 547 35.36 1,105 42.82 0.0140
2024-08-13 2024-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 1,547 -14,417 -90.31 774 -89.93 0.0118
2024-05-14 2024-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 15,964 13,777 629.95 7,674 703.46 0.1530
2024-02-09 2023-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 2,187 -5,277 -70.70 955 -67.42 0.0215
2023-11-13 2023-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 7,464 -68 -0.90 2,931 -4.43 0.0735
2023-08-11 2023-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 7,532 7,532 3,068 0.0804
2023-05-15 2023-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 0 -4,481 -100.00 0 -100.00
2023-02-13 2022-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 4,481 3,551 381.83 1,574 416.07 0.0446
2022-11-14 2022-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 930 -889 -48.87 305 -51.66 0.0107
2022-08-11 2022-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 1,819 -5,464 -75.02 631 -79.13 0.0283
2022-05-13 2022-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 7,283 2,795 62.28 3,024 54.36 0.1420
2022-02-14 2021-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 4,488 -2,585 -36.55 1,959 -29.78 0.1210
2021-11-12 2021-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 7,073 1,985 39.01 2,790 39.36 0.2217
2021-08-12 2021-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 5,088 2,209 76.73 2,002 90.85 0.1689
2021-05-13 2021-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 2,879 -1,633 -36.19 1,049 -32.37 0.0962
2021-02-11 2020-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 4,512 -14,397 -76.14 1,551 -73.34 0.1643
2020-11-06 2020-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 18,909 16,602 719.64 5,817 789.45 0.3743
2020-08-07 2020-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 2,307 -9,639 -80.69 654 -76.88 0.0454
2020-05-08 2020-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 11,946 -113 -0.94 2,829 -20.69 0.2053
2020-02-12 2019-12-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 12,059 7,236 150.03 3,567 171.25 0.2110
2020-02-18 2019-09-30 13F/A-1 VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 4,823 2,880 148.22 1,315 151.43 0.1136
2019-11-08 2019-09-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 4,823 2,880 1,315 113,573.1584
2019-08-09 2019-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 1,943 1,943 523 0.0471
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.