ADAMS STREET PARTNERS LLC — 13F Holdings & Portfolio

CIK 1193586 · latest 13F-HR filed 2026-08-14

ADAMS STREET PARTNERS LLC manages $442.7M in 13F-reported U.S. long-equity assets across 4 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BLLN (46.39%), RMNI (22.68%), CBRS (19.88%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position, exited 0, added to 2, and trimmed 0.

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
ONE NORTH WACKER DRIVE
STE 2700
CHICAGO, IL 60606-2807
Phone
(312) 553-8486
Filing Manager
ADAMS STREET PARTNERS LLC
CHICAGO, IL
Signatory
Sara R. Dasse
Executive Vice President
Loading holdings…
AUM

$442.7M

Long-equity book

Holdings

4

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+1 / −0 / ↑2 / ↓0

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • BillionToOne, Inc.$70.2M +52.0%
  • Rimini Street, Inc.$23.1M +29.9%
Show all 2

Top Trims

  • No decreased positions.
Show all 0

New Positions

  • Cerebras Systems, Inc.$88.0M
Show all 1

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 BillionToOne, Inc. BLLN 090168105 $205.3M 46.39% 1,711,430 SH
2 Rimini Street, Inc. RMNI 76674Q107 $100.4M 22.68% 23,565,433 SH
3 Cerebras Systems, Inc. CBRS 15675D103 $88.0M 19.88% 398,144 SH
4 Corvus Pharmaceuticals, Inc. CRVS 221015100 $48.9M 11.06% 3,275,616 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $442.7M 4 0001104659-26-096390
2026-03-31 2026-05-15 $260.3M 3 0001104659-26-062273
2025-12-31 2026-02-13 $263.9M 5 0001104659-26-014635
2025-09-30 2025-11-14 $153.2M 5 0001104659-25-111905