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OmniAb, Inc.

OABI
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001846253

No open-market purchases or sales by OmniAb, Inc. insiders were filed in the last 90 days; 131 institutions reported holding it in 13F filings for Q2 2026, worth $144.2M in total; no superinvestor holds it.

Other share classesOABIW

13F holders, Q4 2024

Institutional positions in OmniAb, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
165
+1 vs. Q3 2024
Shares held
63.6M
−404.9K (−0.6%) vs. Q3 2024
Total value
$224.7M
−$45.5M (−16.8%) vs. Q3 2024
New holders
20
50 more added
Sold out
19
46 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OABI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 165 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 1 institutionQ4 2022: 148 institutionsQ1 2023: 142 institutionsQ2 2023: 144 institutionsQ3 2023: 148 institutionsQ4 2023: 157 institutionsQ1 2024: 153 institutionsQ2 2024: 160 institutionsQ3 2024: 165 institutionsQ4 2024: 165 institutionsQ1 2025: 153 institutionsQ2 2025: 144 institutionsQ3 2025: 140 institutionsQ4 2025: 129 institutionsQ1 2026: 128 institutionsQ2 2026: 131 institutions
Value heldQ4 2024: $224.7M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $11.2MQ4 2022: $234.9MQ1 2023: $243.3MQ2 2023: $338.6MQ3 2023: $355.9MQ4 2023: $514.0MQ1 2024: $450.4MQ2 2024: $293.9MQ3 2024: $334.6MQ4 2024: $224.7MQ1 2025: $152.0MQ2 2025: $95.5MQ3 2025: $100.5MQ4 2025: $105.8MQ1 2026: $87.7MQ2 2026: $144.2M
Institutions holding OABI and their total value by quarter
QuarterHoldersValue
Q2 2026131$144.2M
Q1 2026128$87.7M
Q4 2025129$105.8M
Q3 2025140$100.5M
Q2 2025144$95.5M
Q1 2025153$152.0M
Q4 2024165$224.7M
Q3 2024165$334.6M
Q2 2024160$293.9M
Q1 2024153$450.4M
Q4 2023157$514.0M
Q3 2023148$355.9M
Q2 2023144$338.6M
Q1 2023142$243.3M
Q4 2022148$234.9M
Q3 20221$11.2M
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q3 2024.

Institutions holding OABI in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd80$00.00%+18+29.0%Added
Assetmark, Inc4$140.00%00.0%Unchanged
Parallel Advisors, LLC4$140.00%00.0%Unchanged
Parkworth Wealth Management, Inc.4$140.00%+4New
SBI Securities Co., Ltd.14$500.00%+14New
Mather Group, LLC.21$740.00%00.0%Unchanged
Jones Financial Companies LLLP24$850.00%00.0%Unchanged
Umb Bank N A29$1030.00%00.0%Unchanged
Farmers & Merchants Investments Inc53$1880.00%00.0%Unchanged
IFP Advisors, Inc0$2090.00%0New
EverSource Wealth Advisors, LLC60$2120.00%+60New
Salem Investment Counselors Inc60$2130.00%+60New
CBIZ Investment Advisory Services, LLC78$2760.00%+78New
Rothschild Investment LLC100$3540.00%00.0%Unchanged
LGT Financial Advisors LLC107$3790.00%00.0%Unchanged
Raleigh Capital Management Inc.122$4320.00%00.0%Unchanged
Central Trust Co171$6060.00%00.0%Unchanged
GWM Advisors LLC189$6690.00%00.0%Unchanged
GAMMA Investing LLC232$8210.00%00.0%Unchanged
Cornerstone Planning Group LLC249$8390.00%00.0%Unchanged
Farther Finance Advisors, LLC241$8530.00%+233+2,912.5%Added
CWM, LLC258$1.00K0.00%+78+43.3%Added
Proequities, Inc.352$1.13K0.00%00.0%Unchanged
Signaturefd, LLC361$1.28K0.00%00.0%Unchanged
St Germain D J Co Inc367$1.30K0.00%00.0%Unchanged
Comerica Bank471$1.67K0.00%00.0%Unchanged
North Star Investment Management Corp.550$1.95K0.00%00.0%Unchanged
Daiwa Securities Group Inc.475$2.00K0.00%00.0%Unchanged
Huntington National Bank687$2.43K0.00%+687New
FPC Investment Advisory, Inc.803$2.59K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co896$3.17K0.00%00.0%Unchanged
US Bancorp997$3.53K0.00%+939+1,619.0%Added
Simplex Trading, LLC1,331$4.00K0.00%−986−42.6%Reduced
Larson Financial Group LLC1,470$5.20K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,481$5.24K0.00%−1,437−49.2%Reduced
Rise Advisors, LLC1,725$6.11K0.00%00.0%Unchanged
Smartleaf Asset Management LLC1,808$6.44K0.00%−1,625−47.3%Reduced
Allworth Financial LP2,127$6.81K0.00%00.0%Unchanged
Russell Investments Group, Ltd.1,942$6.88K0.00%−1,974−50.4%Reduced
Redwood Park Advisors LLC2,184$7.73K0.01%+2,184New
Jackson, Grant Investment Advisers, Inc.2,450$8.67K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.2,541$8.99K0.00%+2,541New
Sterling Capital Management LLC2,622$9.28K0.00%+2,352+871.1%Added
Nisa Investment Advisors, LLC2,877$10.2K0.00%+215+8.1%Added
Amalgamated Bank3,170$11.0K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC3,575$12.7K0.00%+440+14.0%Added
Lazard Asset Management LLC4,083$14.0K0.00%−258−5.9%Reduced
Mirae Asset Global Investments Co., Ltd.4,033$14.5K0.00%−241−5.6%Reduced
The PNC Financial Services Group, Inc.4,290$15.2K0.00%+2,410+128.2%Added
Advisor Group Holdings, Inc.4,578$16.2K0.00%−5,526−54.7%Reduced
HighMark Wealth Management LLC5,000$17.7K0.01%00.0%Unchanged
Spire Wealth Management6,280$22.2K0.00%+6,280New
Federated Hermes, Inc.9,278$32.8K0.00%+785+9.2%Added
Ameritas Investment Partners, Inc.9,652$34.2K0.00%00.0%Unchanged
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors10,000$35.4K0.01%00.0%Unchanged
Two Sigma Investments, LP10,292$36.4K0.00%−4,909−32.3%Reduced
HSBC Holdings PLC10,735$38.1K0.00%+10,735New
Bleakley Financial Group, LLC11,229$39.8K0.00%−8,259−42.4%Reduced
RSM US Wealth Management LLC11,412$40.6K0.00%+11,412New
Rangeley Capital, LLC11,500$40.7K0.04%+11,500New
New York State Common Retirement Fund11,806$41.8K0.00%00.0%Unchanged
Victory Capital Management Inc12,113$42.9K0.00%+41+0.3%Added
Lake Street Advisors Group, LLC12,577$44.5K0.00%−259−2.0%Reduced
Royal Bank of Canada12,807$45.0K0.00%+300+2.4%Added
CWC Advisors, LLC.12,746$45.1K0.05%−102−0.8%Reduced
KLP Kapitalforvaltning AS13,720$48.6K0.00%+13,720New
Public Employees Retirement Association of Colorado14,264$50.0K0.00%00.0%Unchanged
Thrive Wealth Management, LLC16,081$56.9K0.01%00.0%Unchanged
Atom Investors LP16,420$58.1K0.01%−19,491−54.3%Reduced
Captrust Financial Advisors16,595$58.7K0.00%−40.0%Reduced
Sherbrooke Park Advisers LLC17,226$61.0K0.02%+6,001+53.5%Added
Engineers Gate Manager LP17,284$61.2K0.00%+17,284New
BNP Paribas Arbitrage, SA17,549$62.1K0.00%+17,549New
Police & Firemen's Retirement System of New Jersey18,614$65.9K0.00%+18,614New
LPL Financial LLC19,558$69.2K0.00%−60.0%Reduced
BBR Partners, LLC20,000$70.8K0.00%−50,000−71.4%Reduced
BFSG, LLC20,480$72.5K0.01%00.0%Unchanged
HighTower Advisors, LLC20,817$73.7K0.00%−565−2.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)21,053$74.5K0.00%−531−2.5%Reduced
Palumbo Wealth Management LLC21,204$75.1K0.03%−3,436−13.9%Reduced
Court Place Advisors, LLC23,556$83.4K0.03%−77,445−76.7%Reduced
Arizona State Retirement System24,005$85.0K0.00%−1,395−5.5%Reduced
HRT Financial LP24,432$86.0K0.00%−24,994−50.6%Reduced
NJ State Employees Deferred Compensation Plan24,500$86.7K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.25,659$90.8K0.01%+2,932+12.9%Added
State Board of Administration of Florida Retirement System26,753$94.7K0.00%00.0%Unchanged
Connors Investor Services Inc29,611$104.8K0.01%+4,611+18.4%Added
Legato Capital Management LLC30,284$107.2K0.01%00.0%Unchanged
Mesirow Financial Investment Management, Inc.30,764$108.9K0.00%+366+1.2%Added
Voya Investment Management LLC31,256$110.6K0.00%−2,117−6.3%Reduced
ProShare Advisors LLC31,724$112.3K0.00%+7,302+29.9%Added
Atria Investments LLC36,500$129.2K0.00%+1,419+4.0%Added
Gallagher Fiduciary Advisors, LLC36,752$130.1K0.03%+1,657+4.7%Added
Manufacturers Life Insurance Company, The36,873$130.5K0.00%−921−2.4%Reduced
Henshaw Capital LLC37,507$132.8K0.01%00.0%Unchanged
Ameriprise Financial Inc38,389$135.9K0.00%+2,460+6.8%Added
Price T Rowe Associates Inc38,217$136.0K0.00%+7,950+26.3%Added
Squarepoint Ops LLC39,264$139.0K0.00%+9,809+33.3%Added
SG Americas Securities, LLC40,609$144.0K0.00%+5,751+16.5%Added
SEI Investments Co43,486$153.9K0.00%+606+1.4%Added