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William Marsh Rice University

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13F filer, CIK 1674705, HOUSTON, TX

William Marsh Rice University reported $220,626,668 across 2 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-11.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001062993-26-002455

Period
2026-03-31
Reported value
$221M
Holdings
2
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
VOOadded+21,499$12.8M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

None.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001062993-26-002455, largest first. % of portfolio is the value over $220,626,668, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
VOOVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 244,709 shares; 2025Q1: 292,340 shares; 2025Q2: 116,799 shares; 2025Q3: 116,799 shares; 2025Q4: 204,415 shares; 2026Q1: 225,914 shares 225,914$135M61.19%+21,499Timeline
BSMBLACK STONE MINERALS L PQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 5,663,476 shares; 2024Q4: 5,663,476 shares; 2025Q1: 5,663,476 shares; 2025Q2: 5,663,476 shares; 2025Q3: 5,663,476 shares; 2025Q4: 5,663,476 shares; 2026Q1: 5,663,476 shares 5,663,476$85.6M38.81%0Timeline

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001062993-26-002455 base2026-05-11acceptance time not in the bulk data set