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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, Q1 2023

Institutional positions in OmniAb, Inc. as of Mar 31, 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
142
−4 vs. Q4 2022
Shares held
66.3M
+1.46M (+2.2%) vs. Q4 2022
Total value
$243.3M
+$9.51M (+4.1%) vs. Q4 2022
New holders
15
45 more added
Sold out
19
47 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 142 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 heldQ1 2023: $243.3M
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, Q1 2023

Shares, value and share of portfolio for each institution holding OmniAb, Inc.; share changes are against Q4 2022.

Institutions holding OABI in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd28$00.00%+18+180.0%Added
Parallel Advisors, LLC4$150.00%00.0%Unchanged
Tucker Asset Management LLC9$330.00%00.0%Unchanged
Gradient Investments LLC12$440.00%−58−82.9%Reduced
Farmers & Merchants Investments Inc53$1950.00%−1−1.9%Reduced
Glassman Wealth Services72$2650.00%+72New
Ancora Advisors, LLC100$3390.00%+100New
NewSquare Capital LLC98$3610.00%00.0%Unchanged
Allworth Financial LP110$4050.00%−721−86.8%Reduced
Raleigh Capital Management Inc.122$4490.00%00.0%Unchanged
Central Trust Co171$6300.00%00.0%Unchanged
TCI Wealth Advisors, Inc.246$9060.00%+55+28.8%Added
Hazlett, Burt & Watson, Inc.343$1.00K0.00%00.0%Unchanged
Signaturefd, LLC361$1.33K0.00%−117−24.5%Reduced
Proequities, Inc.425$1.56K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC490$1.80K0.00%00.0%Unchanged
CWM, LLC608$2.00K0.00%00.0%Unchanged
Advisory Services Network, LLC548$2.02K0.00%00.0%Unchanged
WealthPlan Investment Management, LLC562$2.07K0.00%+562New
Belpointe Asset Management LLC564$2.08K0.00%00.0%Unchanged
Luken Investment Analytics, LLC564$2.08K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC744$3.00K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co896$3.30K0.00%00.0%Unchanged
UBS Group AG901$3.31K0.00%−1,512−62.7%Reduced
North Star Investment Management Corp.1,000$3.68K0.00%+1,000New
GWM Advisors LLC1,659$6.11K0.00%−57−3.3%Reduced
The PNC Financial Services Group, Inc.2,068$7.61K0.00%−1,699−45.1%Reduced
Jackson, Grant Investment Advisers, Inc.2,450$9.02K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC3,052$11.2K0.00%00.0%Unchanged
Lazard Asset Management LLC4,341$15.0K0.00%−31,276−87.8%Reduced
Allspring Global Investments Holdings, LLC4,813$17.7K0.00%−2,968−38.1%Reduced
Metropolitan Life Insurance Co5,126$18.9K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.5,973$22.0K0.00%00.0%Unchanged
Citigroup Inc6,006$22.1K0.00%+11+0.2%Added
FMR LLC6,466$23.8K0.00%+356+5.8%Added
Advisor Group Holdings, Inc.7,414$27.3K0.00%+1,090+17.2%Added
Royal Bank of Canada8,452$31.0K0.00%−7,119−45.7%Reduced
Amalgamated Bank8,395$31.0K0.00%−1,365−14.0%Reduced
Stephens Inc8,658$31.9K0.00%−68−0.8%Reduced
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors10,000$35.1K0.01%00.0%Unchanged
Stifel Financial Corp10,044$37.0K0.00%+44+0.4%Added
Victory Capital Management Inc10,422$38.4K0.00%−266−2.5%Reduced
Handelsbanken Fonder AB10,574$39.0K0.00%00.0%Unchanged
State of Wisconsin Investment Board10,847$39.9K0.00%+541+5.2%Added
Ameritas Advisory Services, LLC11,147$41.0K0.00%−490−4.2%Reduced
Raymond James Financial Services Advisors, Inc.11,839$43.6K0.00%−29−0.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,017$44.2K0.00%+3,026+33.7%Added
Teacher Retirement System of Texas12,902$47.0K0.00%−10,443−44.7%Reduced
Two Sigma Advisers, LP12,850$47.3K0.00%+1,100+9.4%Added
HighTower Advisors, LLC13,081$48.0K0.00%−490−3.6%Reduced
Two Sigma Investments, LP13,700$50.4K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado14,264$52.0K0.00%00.0%Unchanged
Price T Rowe Associates Inc14,085$52.0K0.00%+575+4.3%Added
CIBC Asset Management Inc14,396$53.0K0.00%+14,396New
Henshaw Capital LLC15,807$58.2K0.00%00.0%Unchanged
STRS Ohio16,200$59.0K0.00%00.0%Unchanged
Mercer Global Advisors Inc16,070$59.0K0.00%+16,070New
Raymond James & Associates16,333$60.1K0.00%−49−0.3%Reduced
Baird Financial Group, Inc.17,550$64.6K0.00%−698−3.8%Reduced
Eagle Asset Management Inc17,795$65.0K0.00%+5,850+49.0%Added
Legato Capital Management LLC18,590$68.4K0.01%+707+4.0%Added
Wells Fargo & Company19,359$71.2K0.00%+16,084+491.1%Added
State Board of Administration of Florida Retirement System19,943$73.4K0.00%00.0%Unchanged
Investment Management of Virginia LLC19,972$73.5K0.01%−14,738−42.5%Reduced
Werba Rubin Papier Wealth Management20,410$75.1K0.03%+20,410New
Trivant Custom Portfolio Group, LLC22,250$81.9K0.06%+22,250New
SEI Investments Co22,990$84.6K0.00%+6,014+35.4%Added
NJ State Employees Deferred Compensation Plan24,500$90.2K0.01%00.0%Unchanged
Arizona State Retirement System24,952$91.8K0.00%+1,639+7.0%Added
Tower Research Capital LLC (TRC)25,256$93.0K0.00%−2,060−7.5%Reduced
Invesco Ltd.26,588$97.8K0.00%−62,158−70.0%Reduced
Voya Investment Management LLC28,356$104.3K0.00%00.0%Unchanged
LPL Financial LLC30,662$112.8K0.00%−16,937−35.6%Reduced
First Republic Investment Management, Inc.32,309$118.9K0.00%+7,120+28.3%Added
New York State Common Retirement Fund32,557$119.8K0.00%−21,000−39.2%Reduced
Guggenheim Capital LLC33,897$124.7K0.00%+2,659+8.5%Added
Advisors Asset Management, Inc.34,789$128.0K0.00%−557−1.6%Reduced
Mariner, LLC35,829$132.0K0.00%+35,829New
American International Group, Inc.37,193$136.9K0.00%+741+2.0%Added
Prelude Capital Management, LLC38,094$140.2K0.01%+5,597+17.2%Added
Barclays PLC38,973$143.4K0.00%+17,806+84.1%Added
Susquehanna International Group, LLP39,964$147.1K0.00%+39,964New
MetLife Investment Management42,222$155.4K0.00%00.0%Unchanged
Ameriprise Financial Inc44,854$165.1K0.00%−3,783−7.8%Reduced
Atom Investors LP48,402$178.1K0.10%00.0%Unchanged
Blair William & Co50,105$184.4K0.00%−240.0%Reduced
Squarepoint Ops LLC51,190$188.4K0.00%+19,190+60.0%Added
UBS Asset Management Americas Inc56,705$208.7K0.00%+56,705New
Nebula Research & Development LLC63,238$232.7K0.41%+63,238New
American Century Companies Inc70,762$248.4K0.00%−154,556−68.6%Reduced
Legal & General Group Plc72,477$266.7K0.00%+3,068+4.4%Added
Jane Street Group, LLC80,164$295.0K0.00%−181,946−69.4%Reduced
Credit Suisse AG86,748$319.2K0.00%−520−0.6%Reduced
Standard Life Aberdeen plc103,706$381.6K0.00%+103,706New
California State Teachers Retirement System104,302$383.8K0.00%+1,019+1.0%Added
Alliancebernstein L.P.107,865$396.9K0.00%+6,700+6.6%Added
Court Place Advisors, LLC114,107$419.9K0.15%00.0%Unchanged
Diametric Capital, LP116,134$427.4K0.21%+24,746+27.1%Added
Rhumbline Advisers128,289$472.0K0.00%+5,009+4.1%Added
GW&K Investment Management, LLC147,489$543.0K0.01%−150.0%Reduced