Adams Street Partners LLC reported 4 positions worth $442.65M for the quarter ended Jun 30, 2026, up 70.0% on the prior quarter. It opened 1 new position, added to 0, trimmed 0 and exited 0. Its largest holding is BillionToOne, Inc. at 46.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| CBRS Cerebras Systems Inc. | +398.1K | – | $87.99M | 19.88% |
No positions were reduced this quarter.
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| CBRS Cerebras Systems Inc. | +398.1K | $87.99M | 19.88% |
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BLLN BillionToOne, Inc. | Healthcare | 1.71M | $205.34M | 46.39% | 0 | 0.0% | Unchanged | 3.65% |
| 2 | RMNI Rimini Street, Inc. | Technology | 23.57M | $100.39M | 22.68% | 0 | 0.0% | Unchanged | 25.36% |
| 3 | CBRS Cerebras Systems Inc. | Technology | 398.1K | $87.99M | 19.88% | +398.1K | – | New | 0.17% |
| 4 | CRVS Corvus Pharmaceuticals, Inc. | Healthcare | 3.28M | $48.94M | 11.06% | 0 | 0.0% | Unchanged | 3.55% |
Tip. Select a row to see that position’s full history at Adams Street Partners.
As of its Q2 2026 13F filing, Adams Street Partners LLC’s five largest positions were BillionToOne, Inc. (BLLN) at 46.4%, Rimini Street, Inc. (RMNI) at 22.7%, Cerebras Systems Inc. (CBRS) at 19.9%, Corvus Pharmaceuticals, Inc. (CRVS) at 11.1% of the reported portfolio.
Adams Street Partners LLC reported a 13F portfolio worth $442.65M across 4 positions for Q2 2026. That is up 70.0% from the previous quarter.
Its largest purchases by value were Cerebras Systems Inc. ($87.99M). It opened 1 new positions.
From the Form 13F-HR reports Adams Street Partners LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.