ADAR1 Capital Management’s OmniAb OABI Stock Holding History

ADAR1 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	$2.33M	Buy	947,412 +242,222	+34%	+$481K	0.11%	138
2026 Q1	$1.11M	Buy	705,190 +3,000	+0.4%	+$5.41K	0.07%	149
2025 Q4	$1.3M	Sell	702,190 -388,438	-36%	-$675K	0.1%	120
2025 Q3	$1.75M	Buy	1,090,628 +764,520	+234%	+$1.4M	0.16%	82
2025 Q2	$567K	Buy	326,108 +200,000	+159%	+$335K	0.09%	111
2025 Q1	$303K	Sell	126,108 -152,000	-55%	-$497K	0.06%	129
2024 Q4	$985K	Sell	278,108 -1,059,194	-79%	-$4.19M	0.2%	78
2024 Q3	$5.66M	Buy	1,337,302 +624,742	+88%	+$2.7M	0.92%	26
2024 Q2	$2.67M	Buy	712,560 +261,075	+58%	+$1.19M	0.5%	36
2024 Q1	$2.45M	Sell	451,485 -26,686	-6%	-$154K	0.56%	36
2023 Q4	$2.95M	Buy	+478,171	New	+$2.35M	1.05%	20

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

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 Malvern, Pennsylvania $4.68T AUM

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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

ADAR1 Capital Management's OABI Position: Q2 2026 in Review

ADAR1 Capital Management increased its OmniAb (OABI) stake by 34% in Q2 2026, buying an estimated $481K and bringing the position to 947,412 shares worth $2.33M. The position accounts for 0.11% of the portfolio, ranked #138.

ADAR1 Capital Management first reported a position in OABI in Q4 2023 and has held it in 11 quarters since. The position peaked at $5.66M in Q3 2024. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

ADAR1 Capital Management held 947,412 shares of OmniAb worth $2.33M as of Q2 2026.
ADAR1 Capital Management bought 242,222 OmniAb shares in Q2 2026, an estimated $481K.
OmniAb made up 0.11% of ADAR1 Capital Management's portfolio in Q2 2026, its #138 holding.
ADAR1 Capital Management first reported a position in OmniAb in Q4 2023 and has held it in 11 quarters since.
ADAR1 Capital Management's OmniAb position peaked at $5.66M in Q3 2024.
131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on ADAR1 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.