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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, Q2 2023

Institutional positions in OmniAb, Inc. as of Jun 30, 2023. 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
144
+3 vs. Q1 2023
Shares held
67.4M
+1.16M (+1.8%) vs. Q1 2023
Total value
$338.6M
+$95.3M (+39.2%) vs. Q1 2023
New holders
22
44 more added
Sold out
19
46 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 2023: 144 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 heldQ2 2023: $338.6M
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, Q2 2023

Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q1 2023.

Institutions holding OABI in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd28$00.00%00.0%Unchanged
Toronto Dominion Bank10$00.00%+10New
Simplex Trading, LLC7$00.00%+7New
Parallel Advisors, LLC4$200.00%00.0%Unchanged
Gradient Investments LLC8$400.00%−4−33.3%Reduced
GWM Advisors LLC9$450.00%−1,650−99.5%Reduced
Tucker Asset Management LLC9$450.00%00.0%Unchanged
CGC Financial Services, LLC16$800.00%+16New
Glassman Wealth Services50$2520.00%−22−30.6%Reduced
Farmers & Merchants Investments Inc53$2670.00%00.0%Unchanged
NewSquare Capital LLC98$4930.00%00.0%Unchanged
Allworth Financial LP110$5540.00%00.0%Unchanged
Raleigh Capital Management Inc.122$6140.00%00.0%Unchanged
Central Trust Co171$8610.00%00.0%Unchanged
GW&K Investment Management, LLC195$1.00K0.00%−147,294−99.9%Reduced
Cornerstone Planning Group LLC287$1.44K0.00%+287New
Proequities, Inc.352$1.77K0.00%−73−17.2%Reduced
Signaturefd, LLC361$1.82K0.00%00.0%Unchanged
St Germain D J Co Inc367$1.85K0.00%+367New
Hazlett, Burt & Watson, Inc.343$2.00K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC490$2.46K0.00%00.0%Unchanged
Luken Investment Analytics, LLC564$2.84K0.00%00.0%Unchanged
CWM, LLC642$3.00K0.00%+34+5.6%Added
Northwestern Mutual Wealth Management Co896$4.51K0.00%00.0%Unchanged
North Star Investment Management Corp.1,000$5.03K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,905$9.58K0.00%−163−7.9%Reduced
Jackson, Grant Investment Advisers, Inc.2,450$12.3K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC2,554$12.8K0.00%+1,810+243.3%Added
Harbor Investment Advisory, LLC3,052$15.4K0.00%00.0%Unchanged
Citadel Advisors LLC3,222$16.2K0.00%−367,831−99.1%Reduced
Pinebridge Investments, L.P.3,731$18.8K0.00%+3,731New
Lazard Asset Management LLC4,341$21.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co5,126$25.8K0.00%00.0%Unchanged
FMR LLC6,329$31.8K0.00%−137−2.1%Reduced
Advisor Group Holdings, Inc.6,337$31.9K0.00%−1,077−14.5%Reduced
Allspring Global Investments Holdings, LLC7,639$38.4K0.00%+2,826+58.7%Added
Ameritas Investment Partners, Inc.7,700$38.7K0.00%+1,727+28.9%Added
Amalgamated Bank8,312$42.0K0.00%−83−1.0%Reduced
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors10,000$50.3K0.01%00.0%Unchanged
Bailard, Inc.10,000$50.3K0.00%+10,000New
Victory Capital Management Inc10,183$51.2K0.00%−239−2.3%Reduced
Ameritas Advisory Services, LLC11,147$51.9K0.01%00.0%Unchanged
Lake Street Advisors Group, LLC11,170$56.0K0.00%+11,170New
Stifel Financial Corp11,338$57.0K0.00%+1,294+12.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)12,017$60.4K0.00%00.0%Unchanged
ProShare Advisors LLC12,127$61.0K0.00%+12,127New
Tower Research Capital LLC (TRC)12,445$62.6K0.00%−12,811−50.7%Reduced
HighTower Advisors, LLC13,052$66.0K0.00%−29−0.2%Reduced
Thrive Wealth Management, LLC14,131$71.1K0.02%+14,131New
Public Employees Retirement Association of Colorado14,264$72.0K0.00%00.0%Unchanged
Royal Bank of Canada14,263$72.0K0.00%+5,811+68.8%Added
CIBC Asset Management Inc14,396$72.4K0.00%00.0%Unchanged
Two Sigma Advisers, LP15,050$75.7K0.00%+2,200+17.1%Added
Baird Financial Group, Inc.15,560$78.3K0.00%−1,990−11.3%Reduced
Henshaw Capital LLC15,807$79.5K0.00%00.0%Unchanged
Sawtooth Solutions, LLC15,990$80.4K0.00%+15,990New
Bleakley Financial Group, LLC16,449$82.7K0.00%+16,449New
Trivant Custom Portfolio Group, LLC18,000$90.5K0.06%−4,250−19.1%Reduced
Legato Capital Management LLC18,590$93.5K0.01%00.0%Unchanged
Price T Rowe Associates Inc18,904$96.0K0.00%+4,819+34.2%Added
SEI Investments Co19,131$96.3K0.00%−3,859−16.8%Reduced
Eagle Asset Management Inc19,651$98.8K0.00%+1,856+10.4%Added
BBR Partners, LLC20,000$100.6K0.01%+20,000New
Pinnacle Associates Ltd21,585$108.6K0.00%+21,585New
LPL Financial LLC23,626$118.8K0.00%−7,036−22.9%Reduced
Arizona State Retirement System24,349$122.5K0.00%−603−2.4%Reduced
NJ State Employees Deferred Compensation Plan24,500$123.2K0.02%00.0%Unchanged
Invesco Ltd.25,372$127.6K0.00%−1,216−4.6%Reduced
Prelude Capital Management, LLC26,183$131.7K0.01%−11,911−31.3%Reduced
Susquehanna International Group, LLP26,209$131.8K0.00%−13,755−34.4%Reduced
First Republic Investment Management, Inc.26,366$132.6K0.00%−5,943−18.4%Reduced
State Board of Administration of Florida Retirement System26,473$133.2K0.00%+6,530+32.7%Added
UBS Group AG27,723$139.4K0.00%+26,822+2,976.9%Added
Principal Financial Group Inc30,780$154.8K0.00%+30,780New
STRS Ohio31,700$159.0K0.00%+15,500+95.7%Added
New York State Common Retirement Fund32,557$163.8K0.00%00.0%Unchanged
Citigroup Inc33,196$167.0K0.00%+27,190+452.7%Added
Guggenheim Capital LLC33,836$170.2K0.00%−61−0.2%Reduced
Barclays PLC34,195$172.0K0.00%−4,778−12.3%Reduced
Advisors Asset Management, Inc.34,550$173.8K0.00%−239−0.7%Reduced
Voya Investment Management LLC37,295$187.6K0.00%+8,939+31.5%Added
Boothbay Fund Management, LLC40,568$204.1K0.01%−136,247−77.1%Reduced
Two Sigma Investments, LP40,900$205.7K0.00%+27,200+198.5%Added
UBS Asset Management Americas Inc56,705$208.7K0.00%00.0%Unchanged
Wells Fargo & Company41,984$211.2K0.00%+22,625+116.9%Added
Ameriprise Financial Inc44,401$223.3K0.00%−453−1.0%Reduced
American International Group, Inc.44,881$225.8K0.00%+7,688+20.7%Added
Atom Investors LP46,081$231.8K0.09%−2,321−4.8%Reduced
American Century Companies Inc46,647$234.6K0.00%−24,115−34.1%Reduced
Blair William & Co49,639$249.7K0.00%−466−0.9%Reduced
MetLife Investment Management50,427$253.6K0.00%+8,205+19.4%Added
Norges Bank55,985$281.6K0.00%−567,631−91.0%Reduced
CIBC Private Wealth Group, LLC59,584$299.7K0.00%−76−0.1%Reduced
Nebula Research & Development LLC59,794$300.8K0.23%−3,444−5.4%Reduced
Mariner, LLC67,446$339.3K0.00%+31,617+88.2%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.67,794$341.0K0.00%+67,794New
Legal & General Group Plc73,370$369.1K0.00%+893+1.2%Added
Diametric Capital, LP81,560$410.2K0.18%−34,574−29.8%Reduced
Towerview LLC85,000$427.6K0.28%+85,000New
D. E. Shaw & Co., Inc.94,493$475.3K0.00%+94,493New