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

SecurityVOO / Vanguard Index Funds - Vanguard S&P 500 ETF
InstitutionSofos Investments, Inc.
Latest Disclosed Ownership1,005 shares
Latest Disclosed Value $ 600,285
Sofos Investments, Inc. reports 1.08% decrease in ownership of VOO / Vanguard Index Funds - Vanguard S&P 500 ETF

On May 8, 2026 - Sofos Investments, Inc. filed a 13F-HR form disclosing ownership of 1,005 shares of Vanguard Index Funds - Vanguard S&P 500 ETF (US:VOO) valued at $600,538 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 1,016 shares of Vanguard Index Funds - Vanguard S&P 500 ETF. This represents a change in shares of -1.08% during the quarter. The current value of the position is $696,827 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)
2026-05-08 2026-03-31 13F VANGUARD S&P 500 ETF UIT EXCHANGE TRADED 922908363 1,005 -11 -1.08 600 -5.66 0.1068
2026-02-13 2025-12-31 13F VANGUARD S&P 500 ETF UIT EXCHANGE TRADED 922908363 1,016 570 127.80 637 132.97 0.1226
2025-11-14 2025-09-30 13F VANGUARD INDEX FDS UIT EXCHANGE TRADED 922908363 446 96 27.43 273 52.51 0.0540
2025-04-30 2025-03-31 13F VANGUARD S&P 500 ETF UIT EXCHANGE TRADED 922908363 350 -38 -9.79 180 -7.73 0.0392
2024-08-06 2024-06-30 13F VANGUARD INDEX FDS UIT EXCHANGE TRADED 922908363 388 -11 -2.76 194 10.86 0.0485
2024-06-26 2024-03-31 13F/A-1 VANGUARD INDEX FDS UIT EXCHANGE TRADED 922908363 399 0 0.00 175 0.00 0.0492
2024-05-13 2024-03-31 13F VANGUARD S&P 500 ETF UIT EXCHANGE TRADED 922908363 388 -11 187 0.0478
2024-06-26 2023-12-31 13F/A-1 VANGUARD S&P 500 ETF UIT EXCHANGE TRADED 922908363 399 -6,688 -94.37 175 -81.81 0.0492
2024-02-15 2023-12-31 13F VANGUARD INDEX FDS UIT EXCHANGE TRADED 922908363 7,087 0 962 0.0106
2023-11-16 2023-09-30 13F VANGUARD INDEX FDS UIT EXCHANGE TRADED 922908363 7,087 6,714 1,800.00 962 0.0106
2023-08-09 2023-06-30 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 373 -3 -0.80 0 0.0004
2023-05-12 2023-03-31 13F VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 376 376 0 0.0043
2022-05-13 2022-03-31 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 0 -430 -100.00 0 0.0000
2022-02-11 2021-12-31 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 430 4 0.94 0 0.0039
2021-11-12 2021-09-30 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 426 0 0.00 0 0.0791
2021-08-11 2021-06-30 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 426 22 5.45 0 0.0602
2021-05-17 2021-03-31 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 404 0 0.00 0 -100.00 0.0030
2021-02-16 2020-12-31 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS NEW 922908363 404 404 139 0.1273
2020-08-13 2020-06-30 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 0 -440 -100.00 0 0.0000
2020-05-12 2020-03-31 13F VANGUARD S&P 500 ETF SHS S&P 500 ETF SHS 922908363 440 46 11.68 0 -100.00 0.0003
2020-02-28 2019-12-31 13F VANGUARD S&P 500 ETF SHS ETF 922908363 394 0 0.00 117 9.35 0.0806
2019-10-15 2019-09-30 13F VANGUARD S&P 500 ETF ETF 922908363 394 -47 -10.66 107 -10.08 0.0921
2019-07-26 2019-06-30 13F VANGUARD S&P 500 ETF ETF 922908363 441 0 0.00 119 2.59 0.0977
2019-04-19 2019-03-31 13F VANGUARD S&P 500 ETF ETF 922908363 441 0 0.00 116 6.42 0.0938
2018-10-31 2018-09-30 13F VANGUARD S&P 500 ETF ETF 922908363 441 441 109 0.1141
2018-08-14 2018-06-30 13F VANGUARD S&P 500 ETF ETF 922908363 0 -212 -100.00 0 -100.00
2018-05-23 2018-03-31 13F VANGUARD S&P 500 ETF ETF 922908363 212 212 51 0.0522
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.