Washington University

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 16, 2026), Washington University reported 5 stock positions worth $197.8 million. Its top holding was Nu Holdings Ltd./Cayman Isl-A (NU) at 89.4% of the portfolio, followed by Maze Therapeutics (MAZE, 5.9%) and Moderna (MRNA, 2.2%). Compared with Q3 2025, it opened 2 new positions and added to 1. The biggest buy was Maze Therapeutics (MAZE, shares +33%).

Most Recent 13F
Q2 2026
Location
ST LOUIS, MO
CIK
0000903603
Portfolio Value
$197.8M (Q4 2025)
SEC Filing
0000903603-26-000002 ↗ filed Jan 16, 2026

Holdings Value

0$100.0M$200.0M$300.0M Q1 2024: $270.4M Q1 2024 Q2 2024: $219.7M Q2 2024 Q3 2024: $154.2M Q3 2024 Q4 2024: $117.5M Q4 2024 Q1 2025: $110.8M Q1 2025 Q2 2025: $121.4M Q2 2025 Q3 2025: $178.5M Q3 2025 Q4 2025: $197.8M $197.8M Q4 2025 Q1 2026: $160.2M Q1 2026 Q2 2026: $264.8M Q2 2026

Holdings 5 stocks · $197.8M
NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD 89.43% 10,566,927 $176.9M No change
MAZE Maze Therapeutics Inc. 5.88% 280,802 $11.6M Add +33.3%
MRNA Moderna Inc. 2.24% 150,000 $4.4M No change
RBRK Rubrik Inc. Class A 1.95% 50,488 $3.9M New
FIG Figma Inc. Class A 0.50% 26,547 $992K New

Portfolio Sells Q3 2025 → Q4 2025
None this quarter.

Portfolio Buys Q3 2025 → Q4 2025
MAZE Maze Therapeutics Inc. Add +33.3% 5.88% +2.82
RBRK Rubrik Inc. Class A New 1.95% +1.95
FIG Figma Inc. Class A New 0.50% +0.50

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 3$264.8MNU, CBRS, RBRK
Q1 2026 2$160.2MNU, MAZE
Q4 2025 5$197.8MNU, MAZE, MRNA, RBRK, FIG
Q3 2025 3$178.5MNU, MAZE, MRNA
Q2 2025 4$121.4MNU, IOT, MRNA, PONY
Q1 2025 2$110.8MNU, MRNA
Q4 2024 3$117.5MNU, MRNA, ROAD
Q3 2024 4$154.2MNU, MRNA, UTI, CART
Q2 2024 3$219.7MNU, MRNA, UTI
Q1 2024 5$270.4MNU, UTI, CPNG, MRNA, U