Murchinson’s OmniAb OABI Stock Holding History

Murchinson’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
2025 Q3	–	Sell	-502,810	Closed	-$875K	–	119
2025 Q2	$875K	Sell	502,810 -505,000	-50%	-$845K	0.31%	37
2025 Q1	$2.42M	Buy	1,007,810 +7,810	+0.8%	+$25.6K	0.13%	41
2024 Q4	$3.54M	Hold	1,000,000	–	–	1.51%	14
2024 Q3	$4.23M	Buy	+1,000,000	New	+$4.32M	1.15%	21
2023 Q2	–	Sell	-232,970	Closed	-$847K	–	98
2023 Q1	$847K	Sell	232,970 -141,612	-38%	-$535K	0.12%	27
2022 Q4	$1.35M	Buy	+374,582	New	+$1.97M	0.18%	23

Other funds holding OABI

WCM

Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

CCM

Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

SCM

Stonepine Capital Management Bend, Oregon $177M AUM 91.13% 1-Year Est. Return

Murchinson's OABI Position: Q3 2025 in Review

Murchinson sold out of OmniAb (OABI) in Q3 2025, closing a stake of 502,810 shares — an estimated $875K sold.

Murchinson first reported a position in OABI in Q4 2022 and held it in 6 quarters. The position peaked at $4.23M in Q3 2024. 140 funds tracked by Wall St. Rank hold OABI as of Q3 2025.

Murchinson reported no remaining OmniAb position as of Q3 2025 after selling out during the quarter.
Murchinson sold 502,810 OmniAb shares in Q3 2025, an estimated $875K.
Murchinson first reported a position in OmniAb in Q4 2022 and held it in 6 quarters.
Murchinson's OmniAb position peaked at $4.23M in Q3 2024.
140 funds tracked by Wall St. Rank held OmniAb as of Q3 2025.

Based on Murchinson's 13F filing for Q3 2025, filed 14 Nov 2025.