William Marsh Rice University — 13F Holdings & Portfolio

CIK 1674705 · latest 13F-HR filed 2026-07-23

William Marsh Rice University manages $219.2M in 13F-reported U.S. long-equity assets across 2 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VOO (63.91%), BSM (36.09%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 0, and trimmed 1.

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.

Filer Information
Address
6100 MAIN STREET
HOUSTON, TX 77005
Phone
(713) 348-6065
Filing Manager
William Marsh Rice University
HOUSTON, TX
Signatory
Cindy E. Melton
Associate Treasurer
Loading holdings…
AUM

$219.2M

Long-equity book

Holdings

2

Distinct positions

Period

2026-06-30

Filed 2026-07-23

Q/Q Activity

+0 / −0 / ↑0 / ↓1

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0

Top Trims

  • BLACK STONE MINERALS L P-$6.5M -7.6%
Show all 1

New Positions

  • No new positions this quarter.
Show all 0

Exited Positions

  • No exits this quarter.
Show all 0
All Holdings

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 INDEX FDS VOO 922908363 $140.1M 63.91% 203,965 SH
2 BLACK STONE MINERALS L P BSM 09225M101 $79.1M 36.09% 5,663,476 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-23 $219.2M 2 0001062993-26-003813
2026-03-31 2026-05-11 $220.6M 2 0001062993-26-002455
2025-12-31 2026-01-15 $203.5M 2 0001062993-26-000269
2025-09-30 2025-10-31 $145.9M 2 0001062993-25-016407