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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
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 $339M AUM 52.48% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CCM
Cadian Capital Management New York $821M AUM 14.36% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
TL
TowerView LLC New York $155M AUM 30.14% 1-Year Est. Return

Stonepine Capital Management's OABI Position: Q1 2026 in Review

Stonepine Capital Management reduced its OmniAb (OABI) stake by 77% in Q1 2026, selling an estimated $969K and leaving 164,045 shares worth $258K. The position accounts for 0.1% of the portfolio, ranked #68.

Stonepine Capital Management first reported a position in OABI in Q4 2022 and has held it in 4 quarters since. The position peaked at $3.43M in Q3 2025. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

  • Stonepine Capital Management held 164,045 shares of OmniAb worth $258K as of Q1 2026.
  • Stonepine Capital Management sold 536,955 OmniAb shares in Q1 2026, an estimated $969K.
  • OmniAb made up 0.1% of Stonepine Capital Management's portfolio in Q1 2026, its #68 holding.
  • Stonepine Capital Management first reported a position in OmniAb in Q4 2022 and has held it in 4 quarters since.
  • Stonepine Capital Management's OmniAb position peaked at $3.43M in Q3 2025.
  • 128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Stonepine Capital Management's 13F filing for Q1 2026, filed 14 May 2026.