Institutional Manager · CIK 0001910790
John & Kathleen Schreiber Foundation
Lake Forest, IL · File #028-22085
Latest AUM
$128.5M
Positions
4
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 |
|---|---|---|---|---|---|
| REDUCE | BLACKSTONE INC | BX | -113,200 | -$17.4M | -$13.5M |
| ADD | BLACKSTONE SECD LENDING FD | BX | +183,192 | +$4.8M | +$51,587 |
| REDUCE | BLACKSTONE MTG TR INC | BX | 0 | $0 | +$203,708 |
| REDUCE | T ROWE PRICE ETF INC | 87283Q107 | 0 | $0 | +$109,122 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20254 pos · $128.5M
- 13F HOLDINGS REPORTQ/E Sep 20254 pos · $154.4M
- 13F HOLDINGS REPORTQ/E Jun 20254 pos · $141.7M
- 13F HOLDINGS REPORTQ/E Mar 20254 pos · $135.0M
- 13F HOLDINGS REPORTQ/E Dec 20247 pos · $172.0M
- 13F HOLDINGS REPORTQ/E Sep 20243 pos · $152.2M
- 13F HOLDINGS REPORTQ/E Jun 20243 pos · $130.2M
- 13F HOLDINGS REPORTQ/E Mar 20243 pos · $159.8M
- 13F HOLDINGS REPORTQ/E Dec 20234 pos · $161.6M
Top 4 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BLACKSTONE INC | BX | 697,623 | $107.5M | 83.65% |
| 2 | BLACKSTONE SECD LENDING FD | BX | 381,581 | $10.0M | 7.82% |
| 3 | T ROWE PRICE ETF INC | 87283Q107 | 111,349 | $5.6M | 4.32% |
| 4 | BLACKSTONE MTG TR INC | BX | 282,929 | $5.4M | 4.21% |