Wind River Trust Co — 13F Holdings & Portfolio
CIK 1657703 · latest 13F-HR filed 2026-08-14
Wind River Trust Co manages $296.1M in 13F-reported U.S. long-equity assets across 12 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VT (33.00%), IWD (16.97%), IWV (16.40%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position, exited 0, added to 10, and trimmed 0.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
JACKSON, WY 83001
$296.1M
Long-equity book
12
Distinct positions
2026-06-30
Filed 2026-08-14
+1 / −0 / ↑10 / ↓0
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- VANGUARD INTL EQUITY INDEX F$11.0M +12.7%
- SER TRUST EAGLE$4.3M +158.5%
- EXCHANGE LISTED FDS TR$3.4M +67.0%
- SPDR S&P 500 ETF TR$3.3M +10.0%
- ISHARES TR$2.6M +5.6%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | VANGUARD INTL EQUITY INDEX F | VT | 922042742 | $97.7M | 33.00% | 622,577 | SH |
| 2 | ISHARES TR | IWD | 464287598 | $50.2M | 16.97% | 207,228 | SH |
| 3 | ISHARES TR | IWV | 464287689 | $48.6M | 16.40% | 113,918 | SH |
| 4 | SPDR S&P 500 ETF TR | SPY | 78462F103 | $36.2M | 12.23% | 48,491 | SH |
| 5 | ISHARES TR | ACWI | 464288257 | $14.5M | 4.91% | 92,604 | SH |
| 6 | VANGUARD TAX-MANAGED FDS | VEA | 921943858 | $14.5M | 4.88% | 202,975 | SH |
| 7 | VANGUARD INDEX FDS | VUG | 922908736 | $9.8M | 3.30% | 113,562 | SH |
| 8 | EXCHANGE LISTED FDS TR | LPRE | 30151E517 | $8.4M | 2.83% | 278,361 | SH |
| 9 | VANGUARD INDEX FDS | VTI | 922908769 | $7.0M | 2.38% | 19,027 | SH |
| 10 | SER TRUST EAGLE | EAGL | 88339Y102 | $7.0M | 2.37% | 218,463 | SH |
| 11 | ISHARES TR | IEFA | 46432F842 | $2.0M | 0.69% | 21,203 | SH |
| 12 | ISHARES TR | IJR | 464287804 | $92.7K | 0.03% | 625 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $296.1M | 12 | 0001104659-26-096727 |
| 2026-03-31 | 2026-05-14 | $265.2M | 11 | 0001104659-26-060933 |
| 2025-12-31 | 2026-02-05 | $267.8M | 10 | 0001104659-26-010813 |
| 2025-09-30 | 2025-11-12 | $270.4M | 10 | 0001104659-25-109750 |