Vanguard Index Funds - Vanguard Mid-Cap ETF
US ˙ ARCA ˙ US9229086296

SecurityVO / Vanguard Index Funds - Vanguard Mid-Cap ETF
InstitutionSepio Capital, LP
Latest Disclosed Ownership11,702 shares
Latest Disclosed Value $ 3,360,682
Sepio Capital, LP reports 6.64% increase in ownership of VO / Vanguard Index Funds - Vanguard Mid-Cap ETF

On May 13, 2026 - Sepio Capital, LP filed a 13F-HR form disclosing ownership of 11,702 shares of Vanguard Index Funds - Vanguard Mid-Cap ETF (US:VO) valued at $3,360,580 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 10,973 shares of Vanguard Index Funds - Vanguard Mid-Cap ETF. This represents a change in shares of 6.64% during the quarter. The current value of the position is $938,266 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)
2026-05-13 2026-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 11,702 729 6.64 3,361 5.53 0.1825
2026-02-12 2025-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 10,973 375 3.54 3,185 2.28 0.1743
2025-11-13 2025-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 10,598 -913 -7.93 3,113 -3.35 0.1842
2025-08-13 2025-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 11,511 -35,322 -75.42 3,221 -73.40 0.2293
2025-05-15 2025-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 46,833 -7,111 -13.18 12,112 -15.00 0.9589
2025-02-13 2024-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 53,944 13,057 31.93 14,248 32.08 1.1402
2024-11-14 2024-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 40,887 2,054 5.29 10,787 14.73 0.8398
2024-08-15 2024-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 38,833 664 1.74 9,402 -1.41 0.8619
2024-05-15 2024-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 38,169 1,485 4.05 9,537 11.74 0.8181
2024-02-09 2023-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 36,684 1,146 3.22 8,534 15.32 0.7171
2023-11-08 2023-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 35,538 -11,218 -23.99 7,400 -28.11 0.6391
2023-08-08 2023-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 46,756 9,324 24.91 10,294 30.37 0.8359
2023-05-10 2023-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 37,432 -49,933 -57.15 7,895 -55.66 0.7281
2023-02-03 2022-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 87,365 76,856 731.34 17,806 801.06 1.5384
2022-10-28 2022-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 10,509 -43 -0.41 1,976 -4.91 0.1961
2022-07-26 2022-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 10,552 -11,562 -52.28 2,078 -60.49 0.2087
2022-05-09 2022-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 22,114 -31,508 -58.76 5,259 -61.50 0.4613
2022-01-25 2021-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 53,622 31,219 139.35 13,661 157.56 1.0091
2021-11-03 2021-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 22,403 -610 -2.65 5,304 -2.89 0.4372
2021-07-29 2021-06-30 13F/A-1 VANGUARD INDEX FDS MID CAP ETF 922908629 23,013 -766 -3.22 5,462 3.78 0.4500
2021-07-26 2021-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 23,013 -766 5,462 0.4709
2021-05-10 2021-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 23,779 -1,197 -4.79 5,263 1.92 0.4848
2021-02-10 2020-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 24,976 9,436 60.72 5,164 88.54 0.4457
2020-11-12 2020-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 15,540 -8,032 -34.07 2,739 -29.11 0.2974
2020-08-04 2020-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 23,572 -34,523 -59.43 3,864 -49.52 0.4538
2020-04-29 2020-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 58,095 4,288 7.97 7,654 -20.16 1.0136
2020-02-06 2019-12-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 53,807 105 0.20 9,587 6.51 0.9070
2019-10-25 2019-09-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 53,702 7,579 16.43 9,001 16.74 0.9287
2019-08-08 2019-06-30 13F VANGUARD INDEX FDS MID CAP ETF 922908629 46,123 -1,443 -3.03 7,710 0.84 1.0411
2019-06-21 2019-03-31 13F/A-1 VANGUARD INDEX FDS MID CAP ETF 922908629 47,566 47,566 7,646 1.0318
2019-05-14 2019-03-31 13F VANGUARD INDEX FDS MID CAP ETF 922908629 47,566 47,566 7,646 1.1306
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.