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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
Stifel Financial Corp11,338$57.0K0.00%+1,294+12.9%Added
Lake Street Advisors Group, LLC11,170$56.0K0.00%+11,170New
Ameritas Advisory Services, LLC11,147$51.9K0.01%00.0%Unchanged
Victory Capital Management Inc10,183$51.2K0.00%−239−2.3%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
Amalgamated Bank8,312$42.0K0.00%−83−1.0%Reduced
Ameritas Investment Partners, Inc.7,700$38.7K0.00%+1,727+28.9%Added
Allspring Global Investments Holdings, LLC7,639$38.4K0.00%+2,826+58.7%Added
Advisor Group Holdings, Inc.6,337$31.9K0.00%−1,077−14.5%Reduced
FMR LLC6,329$31.8K0.00%−137−2.1%Reduced
Metropolitan Life Insurance Co5,126$25.8K0.00%00.0%Unchanged
Lazard Asset Management LLC4,341$21.0K0.00%00.0%Unchanged
Pinebridge Investments, L.P.3,731$18.8K0.00%+3,731New
Citadel Advisors LLC3,222$16.2K0.00%−367,831−99.1%Reduced
Harbor Investment Advisory, LLC3,052$15.4K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC2,554$12.8K0.00%+1,810+243.3%Added
Jackson, Grant Investment Advisers, Inc.2,450$12.3K0.01%00.0%Unchanged
The PNC Financial Services Group, Inc.1,905$9.58K0.00%−163−7.9%Reduced
North Star Investment Management Corp.1,000$5.03K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co896$4.51K0.00%00.0%Unchanged
CWM, LLC642$3.00K0.00%+34+5.6%Added
Luken Investment Analytics, LLC564$2.84K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC490$2.46K0.00%00.0%Unchanged
Hazlett, Burt & Watson, Inc.343$2.00K0.00%00.0%Unchanged
St Germain D J Co Inc367$1.85K0.00%+367New
Signaturefd, LLC361$1.82K0.00%00.0%Unchanged
Proequities, Inc.352$1.77K0.00%−73−17.2%Reduced
Cornerstone Planning Group LLC287$1.44K0.00%+287New
GW&K Investment Management, LLC195$1.00K0.00%−147,294−99.9%Reduced
Central Trust Co171$8610.00%00.0%Unchanged
Raleigh Capital Management Inc.122$6140.00%00.0%Unchanged
Allworth Financial LP110$5540.00%00.0%Unchanged
NewSquare Capital LLC98$4930.00%00.0%Unchanged
Farmers & Merchants Investments Inc53$2670.00%00.0%Unchanged
Glassman Wealth Services50$2520.00%−22−30.6%Reduced
CGC Financial Services, LLC16$800.00%+16New
GWM Advisors LLC9$450.00%−1,650−99.5%Reduced
Tucker Asset Management LLC9$450.00%00.0%Unchanged
Gradient Investments LLC8$400.00%−4−33.3%Reduced
Parallel Advisors, LLC4$200.00%00.0%Unchanged
Covestor Ltd28$00.00%00.0%Unchanged
Toronto Dominion Bank10$00.00%+10New
Simplex Trading, LLC7$00.00%+7New
Stephens Investment Management Group LLC0$00.00%−827,778−100.0%Sold out
Murchinson Ltd.0$00.00%−232,970−100.0%Sold out
SG Americas Securities, LLC0$00.00%−204,761−100.0%Sold out
HRT Financial LP0$00.00%−199,967−100.0%Sold out
Jane Street Group, LLC0$00.00%−80,164−100.0%Sold out
Squarepoint Ops LLC0$00.00%−51,190−100.0%Sold out
Werba Rubin Papier Wealth Management0$00.00%−20,410−100.0%Sold out
Raymond James & Associates0$00.00%−16,333−100.0%Sold out
Mercer Global Advisors Inc0$00.00%−16,070−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−12,902−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−11,839−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−10,847−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−10,574−100.0%Sold out
Stephens Inc0$00.00%−8,658−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−564−100.0%Sold out
WealthPlan Investment Management, LLC0$00.00%−562−100.0%Sold out
Advisory Services Network, LLC0$00.00%−548−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−246−100.0%Sold out
Ancora Advisors, LLC0$00.00%−100−100.0%Sold out
Investment Management of Virginia LLC––––Not filed