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

SecurityVOO / Vanguard Index Funds - Vanguard S&P 500 ETF
InstitutionSpinnaker Trust
Latest Disclosed Ownership3,628 shares
Latest Disclosed Value $ 2,167,911
Spinnaker Trust reports 7.94% increase in ownership of VOO / Vanguard Index Funds - Vanguard S&P 500 ETF

On April 23, 2026 - Spinnaker Trust filed a 13F-HR form disclosing ownership of 3,628 shares of Vanguard Index Funds - Vanguard S&P 500 ETF (US:VOO) valued at $2,167,911 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 3,361 shares of Vanguard Index Funds - Vanguard S&P 500 ETF. This represents a change in shares of 7.94% during the quarter. The current value of the position is $2,459,784 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)
2026-04-23 2026-03-31 13F Vanguard 500 Index Fund Equities 922908363 3,628 267 7.94 2,168 2.85 0.1200
2026-02-10 2025-12-31 13F Vanguard 500 Index Fund Equities 922908363 3,361 38 1.14 2,108 3.59 0.1128
2025-11-05 2025-09-30 13F Vanguard 500 Index Fund Equities 922908363 3,323 45 1.37 2,035 9.24 0.1129
2025-08-04 2025-06-30 13F Vanguard 500 Index Fund Equities 922908363 3,278 96 3.02 1,862 13.88 0.1120
2025-04-25 2025-03-31 13F Vanguard 500 Index Fund Equities 922908363 3,182 -474 -12.96 1,635 -16.96 0.1067
2025-01-30 2024-12-31 13F Vanguard 500 Index Fund Equities 922908363 3,656 321 9.63 1,970 11.94 0.1242
2024-10-31 2024-09-30 13F Vanguard 500 Index Fund Equities 922908363 3,335 312 10.32 1,760 16.41 0.1085
2024-07-31 2024-06-30 13F Vanguard 500 Index Fund Equities 922908363 3,023 25 0.83 1,512 4.86 0.0968
2024-05-06 2024-03-31 13F Vanguard 500 Index Fund Equities 922908363 2,998 223 8.04 1,441 18.89 0.0930
2024-02-02 2023-12-31 13F Vanguard 500 Index Fund Equities 922908363 2,775 -35 -1.25 1,212 9.88 0.0824
2023-11-08 2023-09-30 13F Vanguard 500 Index Fund Equities 922908363 2,810 -77 -2.67 1,103 -6.13 0.0831
2023-08-01 2023-06-30 13F Vanguard 500 Index Fund Equities 922908363 2,887 -4 -0.14 1,176 8.10 0.0854
2023-04-13 2023-03-31 13F Vanguard 500 Index Fund Equities 922908363 2,891 48 1.69 1,087 0.0824
2023-02-02 2022-12-31 13F Vanguard 500 Index Fund Equities 922908363 2,843 -246 -7.96 1 -100.00 0.0778
2022-10-28 2022-09-30 13F Vanguard 500 Index Fund Equities 922908363 3,089 -97 -3.04 1,014 -8.24 0.0841
2022-07-25 2022-06-30 13F Vanguard 500 Index Fund Equities 922908363 3,186 4 0.13 1,105 -16.35 0.0852
2022-05-02 2022-03-31 13F Vanguard 500 Index Fund Equities 922908363 3,182 -423 -11.73 1,321 -16.07 0.0891
2022-01-31 2021-12-31 13F Vanguard 500 Index Fund Equities 922908363 3,605 560 18.39 1,574 31.06 0.1008
2021-11-02 2021-09-30 13F Vanguard 500 Index Fund Equities 922908363 3,045 -106 -3.36 1,201 -3.15 0.0835
2021-08-09 2021-06-30 13F Vanguard 500 Index Fund Equities 922908363 3,151 -210 -6.25 1,240 1.31 0.0864
2021-04-30 2021-03-31 13F Vanguard 500 Index Fund Equities 922908363 3,361 -107 -3.09 1,224 2.77 0.0919
2021-01-26 2020-12-31 13F Vanguard 500 Index Fund Equities 922908363 3,468 -217 -5.89 1,191 5.12 0.0950
2020-10-27 2020-09-30 13F Vanguard 500 Index Fund Equities 922908363 3,685 -14,439 -79.67 1,133 -77.94 0.1004
2020-07-21 2020-06-30 13F Vanguard 500 Index Fund Equities 922908363 18,124 673 3.86 5,136 24.30 0.4868
2020-05-05 2020-03-31 13F Vanguard 500 Index Fund Equities 922908363 17,451 1,262 7.80 4,132 -13.70 0.4544
2020-02-05 2019-12-31 13F Vanguard 500 Index Fund Equities 922908363 16,189 843 5.49 4,788 14.46 0.4373
2019-11-12 2019-09-30 13F Vanguard 500 Index Fund Equities 922908363 15,346 122 0.80 4,183 2.10 0.4127
2019-07-11 2019-06-30 13F Vanguard 500 Index Fund Equities 922908363 15,224 -181 -1.17 4,097 2.48 0.4115
2019-04-29 2019-03-31 13F Vanguard 500 Index Fund Equities 922908363 15,405 -393 -2.49 3,998 10.14 0.4019
2019-02-04 2018-12-31 13F Vanguard 500 Index Fund Equities 922908363 15,798 -1,699 -9.71 3,630 -22.30 0.4123
2018-10-23 2018-09-30 13F Vanguard 500 Index Fund Equities 922908363 17,497 346 2.02 4,672 9.18 0.4616
2018-08-02 2018-06-30 13F Vanguard 500 Index Fund Equities 922908363 17,151 359 2.14 4,279 5.26 0.4559
2018-05-10 2018-03-31 13F Vanguard 500 Index Fund Equities 922908363 16,792 1,037 6.58 4,065 5.20 0.4422
2018-02-09 2017-12-31 13F Vanguard 500 Index Fund Equities 922908363 15,755 353 2.29 3,864 8.72 0.4484
2017-10-26 2017-09-30 13F Vanguard 500 Index Fund Equities 922908363 15,402 371 2.47 3,554 6.47 0.4440
2017-07-27 2017-06-30 13F Vanguard 500 Index Fund Com 922908363 15,031 549 3.79 3,338 6.54 0.4171
2017-05-10 2017-03-31 13F Vanguard 500 Index Fund Com 922908363 14,482 1,902 15.12 3,133 21.29 0.4071
2017-02-15 2016-12-31 13F Vanguard 500 Index Fund Com 922908363 12,580 1,714 15.77 2,583 26.06 0.3474
2016-11-03 2016-09-30 13F Vanguard 500 Index Fund Com 922908363 10,866 -269 -2.42 2,049 -4.25 0.2878
2016-08-01 2016-06-30 13F Vanguard 500 Index Fund Com 922908363 11,135 269 2.48 2,140 4.44 0.2949
2016-05-05 2016-03-31 13F Vanguard 500 Index Fund Com 922908363 10,866 -1,607 -12.88 2,049 -12.14 0.2878
2016-01-29 2015-12-31 13F Vanguard 500 Index Fund Com 922908363 12,473 94 0.76 2,332 7.22 0.3329
2015-11-06 2015-09-30 13F Vanguard 500 Index Fund Com 922908363 12,379 588 4.99 2,175 -2.33 0.3328
2015-08-05 2015-06-30 13F Vanguard 500 Index Fund Com 922908363 11,791 717 6.47 2,227 6.30 0.3323
2015-04-17 2015-03-31 13F Vanguard 500 Index Fund Com 922908363 11,074 517 4.90 2,095 5.33 0.3025
2015-01-22 2014-12-31 13F Vanguard 500 Index Fund Com 922908363 10,557 302 2.94 1,989 7.40 0.2954
2014-11-03 2014-09-30 13F Vanguard 500 Index Fund Com 922908363 10,255 4,445 76.51 1,852 77.74 0.2990
2014-07-28 2014-06-30 13F Vanguard 500 Index Fund Com 922908363 5,810 60 1.04 1,042 5.79 0.1708
2014-04-23 2014-03-31 13F Vanguard 500 Index Fund Com 922908363 5,750 739 14.75 985 16.16 0.1620
2014-01-24 2013-12-31 13F Vanguard 500 Index Fund Com 922908363 5,011 5,011 848 0.1412
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.