Calamos Advisors’s OmniAb Inc Warrant OABIW Stock Holding History

Calamos Advisors’s Portfolio OABIW Stock Details OABIW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$16.7K	Hold	200,000	–	–	﹤0.01%	953
2026 Q1	$20.4K	Hold	200,000	–	–	﹤0.01%	1167
2025 Q4	$22K	Hold	200,000	–	–	﹤0.01%	885
2025 Q3	$34K	Hold	200,000	–	–	﹤0.01%	880
2025 Q2	$34.6K	Hold	200,000	–	–	﹤0.01%	867
2025 Q1	$71.9K	Hold	200,000	–	–	﹤0.01%	834
2024 Q4	$82.4K	Hold	200,000	–	–	﹤0.01%	830
2024 Q3	$71.8K	Hold	200,000	–	–	﹤0.01%	815
2024 Q2	$81.3K	Hold	200,000	–	–	﹤0.01%	812
2024 Q1	$134K	Hold	200,000	–	–	﹤0.01%	790
2023 Q4	$206K	Hold	200,000	–	–	﹤0.01%	751
2023 Q3	$222K	Hold	200,000	–	–	﹤0.01%	746
2023 Q2	$154K	Hold	200,000	–	–	﹤0.01%	788
2023 Q1	$110K	Hold	200,000	–	–	﹤0.01%	899
2022 Q4	$110K	Hold	200,000	–	–	﹤0.01%	964
2022 Q3	$99K	Buy	+200,000	New	+$97.9K	﹤0.01%	1074

Other funds holding OABIW

LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return

Aristeia Capital Greenwich, Connecticut $7.69B AUM 15.48% 1-Year Est. Return

Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return

AFM

Anson Funds Management Dallas, Texas $1.68B AUM 373.57% 1-Year Est. Return

Sculptor Capital New York $12.3B AUM 40.26% 1-Year Est. Return

MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return

CSS LLC Chicago, Illinois $2.57B AUM 67.1% 1-Year Est. Return

WAM

Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return

SCM

Saba Capital Management New York $3.9B AUM 12.9% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Calamos Advisors's OABIW Position: Q2 2026 in Review

Calamos Advisors held its OmniAb Inc Warrant (OABIW) position steady in Q2 2026 at 200,000 shares worth $16.7K. The position accounts for ﹤0.01% of the portfolio, ranked #953.

Calamos Advisors first reported a position in OABIW in Q3 2022 and has held it in 16 quarters since. The position peaked at $222K in Q3 2023. 13 funds tracked by Wall St. Rank hold OABIW as of Q2 2026.

Calamos Advisors held 200,000 shares of OmniAb Inc Warrant worth $16.7K as of Q2 2026.
Calamos Advisors left its OmniAb Inc Warrant share count unchanged in Q2 2026.
OmniAb Inc Warrant made up ﹤0.01% of Calamos Advisors's portfolio in Q2 2026, its #953 holding.
Calamos Advisors first reported a position in OmniAb Inc Warrant in Q3 2022 and has held it in 16 quarters since.
Calamos Advisors's OmniAb Inc Warrant position peaked at $222K in Q3 2023.
13 funds tracked by Wall St. Rank held OmniAb Inc Warrant as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.