TLS Advisors’s OmniAb OABI Stock Holding History

TLS Advisors’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	$543K	Sell	220,685 -29,500	-12%	-$58.6K	1.6%	12
2026 Q1	$393K	Buy	250,185 +180,185	+257%	+$325K	0.93%	13
2025 Q4	$137K	Sell	70,000 -180,185	-72%	-$313K	0.36%	16
2025 Q3	$388K	Hold	250,185	–	–	1.13%	11
2025 Q2	$435K	Hold	250,185	–	–	1.36%	9
2025 Q1	$600K	Hold	250,185	–	–	1.35%	11
2024 Q4	$886K	Hold	250,185	–	–	2.03%	10
2024 Q3	$1.06M	Hold	250,185	–	–	2.24%	10
2024 Q2	$938K	Hold	250,185	–	–	2.35%	10
2024 Q1	$1.36M	Hold	250,185	–	–	3.16%	11
2023 Q4	$1.54M	Hold	250,185	–	–	5.12%	8
2023 Q3	$1.3M	Hold	250,185	–	–	5.25%	7
2023 Q2	$1.26M	Sell	250,185 -106,407	-30%	-$431K	5.4%	7
2023 Q1	$1.31M	Sell	356,592 -30,000	-8%	-$113K	6.75%	6
2022 Q4	$1.39M	Buy	+386,592	New	+$2.03M	6.86%	5

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

TLS Advisors's OABI Position: Q2 2026 in Review

TLS Advisors reduced its OmniAb (OABI) stake by 12% in Q2 2026, selling an estimated $58.6K and leaving 220,685 shares worth $543K. The position accounts for 1.6% of the portfolio, ranked #12.

TLS Advisors first reported a position in OABI in Q4 2022 and has held it in 15 quarters since. The position peaked at $1.54M in Q4 2023. 132 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

TLS Advisors held 220,685 shares of OmniAb worth $543K as of Q2 2026.
TLS Advisors sold 29,500 OmniAb shares in Q2 2026, an estimated $58.6K.
OmniAb made up 1.6% of TLS Advisors's portfolio in Q2 2026, its #12 holding.
TLS Advisors first reported a position in OmniAb in Q4 2022 and has held it in 15 quarters since.
TLS Advisors's OmniAb position peaked at $1.54M in Q4 2023.
132 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on TLS Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.