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Calamos Advisors LLC

Position in OABI — OmniAb, Inc.

CIK 1316507 NAPERVILLE, IL

Position in OABI

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$18,000
-$2,400 QoQ
Shares Held
200,000
0.0% QoQ
Ownership
0.138%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#90
of 141 holders
Holding Since
Dec 2022
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OABI Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Calamos Advisors LLC holds $119,502,354 across 21 Biotechnology names. OABI ranks #21 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OABI

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,000 200,000
2026-03-31 $20,400 200,000
2025-12-31 $22,010 200,000
2025-09-30 $34,000 200,000
2025-06-30 $34,620 200,000
2025-03-31 $71,940 200,000
2024-12-31 $82,400 200,000
2024-09-30 $71,750 200,000
2024-06-30 $81,260 200,000
2024-03-31 $134,000 200,000
2023-12-31 $206,000 200,000
2023-09-30 $1,038,000 200,000
2023-06-30 $154,000 200,000
2023-03-31 $110,440 200,000
2022-12-31 $110,000 200,000