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Stonepine Capital Management’s OmniAb OABI Stock Holding History

Stonepine Capital Management’s Portfolio OABI Stock Details OABI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-164,045
Closed -$258K – 99
2026
Q1 		$258K Sell
164,045
-536,955
-77% -$969K 0.1% 68
2025
Q4 		$1.3M Sell
701,000
-1,441,857
-67% -$2.51M 0.95% 32
2025
Q3 		$3.43M Buy
+2,142,857
New +$3.92M 2.79% 11
2023
Q1 		– Sell
-354,266
Closed -$1.28M – 24
2022
Q4 		$1.28M Buy
+354,266
New +$1.86M 0.54% 17

Other funds holding OABI

WCM
Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
CCM
Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Stonepine Capital Management's OABI Position: Q2 2026 in Review

Stonepine Capital Management sold out of OmniAb (OABI) in Q2 2026, closing a stake of 164,045 shares — an estimated $258K sold.

Stonepine Capital Management first reported a position in OABI in Q4 2022 and held it in 4 quarters. The position peaked at $3.43M in Q3 2025. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • Stonepine Capital Management reported no remaining OmniAb position as of Q2 2026 after selling out during the quarter.
  • Stonepine Capital Management sold 164,045 OmniAb shares in Q2 2026, an estimated $258K.
  • Stonepine Capital Management first reported a position in OmniAb in Q4 2022 and held it in 4 quarters.
  • Stonepine Capital Management's OmniAb position peaked at $3.43M in Q3 2025.
  • 131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on Stonepine Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.