Institutional Manager · CIK 0000873687
NORTHWESTERN UNIVERSITY
EVANSTON, IL · File #028-17059
Latest AUM
$64.8M
Positions
5
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | RYAN SPECIALTY HOLDINGS INC | 78351F107 | -119,046 | -$6.7M | $0 |
| ADD | BERKSHIRE HATHAWAY INC DEL | BRK-A | +389 | +$76,944 | -$49.8M |
| EXITED | ACTUATE THERAPEUTICS INC | 005083100 | -6,488 | -$43,405 | $0 |
| EXITED | EXICURE INC | 30205M201 | -10,430 | -$42,659 | $0 |
| NEW | BLACK STONE MINERALS L P | BSMLP | +1,086,025 | +$15,671 | $0 |
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20255 pos · $64.8M
- 13F HOLDINGS REPORTQ/E Sep 20254 pos · $56.6M
- 13F HOLDINGS REPORTQ/E Jun 20254 pos · $56.4M
- 13F HOLDINGS REPORTQ/E Mar 20255 pos · $62.5M
- 13F HOLDINGS REPORTQ/E Dec 20246 pos · $62.4M
- 13F HOLDINGS REPORTQ/E Sep 20246 pos · $85.1M
- 13F HOLDINGS REPORTQ/E Jun 20246 pos · $92,798
- 13F HOLDINGS REPORTQ/E Mar 20246 pos · $107,732
- 13F HOLDINGS REPORTQ/E Dec 20237 pos · $129,324
Top 2 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 455 | $89,999 | 85.17% |
| 2 | BLACK STONE MINERALS L P | BSMLP | 1,086,025 | $15,671 | 14.83% |