Go Pro
→ Beginner’s Guide to Gold (From Goldco Direct, LLC) (Ad)tc pixel Free OABI Stock Alerts

OmniAb (OABI) Institutional Ownership

OmniAb logo
$3.08 0.00 (0.00%)
Closing price 08/7/2026 04:00 PM Eastern
Extended Trading
$3.12 +0.04 (+1.30%)
As of 08:04 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for OmniAb (NASDAQ:OABI)

Current
Institutional Ownership
Percentage
72.08%
Number of
Institutional Buyers
(last 12 months)
40
Total
Institutional Inflows
(last 12 months)
$45.72M
Number of
Institutional Sellers
(last 12 months)
24
Total
Institutional Outflows
(last 12 months)
$8.65M
Get OABI Insider Trade Alerts

Want to know when executives and insiders are buying or selling OmniAb stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

OABI Institutional Buying and Selling by Quarter

OmniAb Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/7/2026 BlackRock Inc.8,897,490$21.89M0.0%N/A6.145%
8/7/2026 Deutsche Bank AG100,842$248K0.0%N/A0.070%
8/7/2026 Rice Hall James & Associates LLC2,610,434$6.42M0.3%N/A1.803%
8/6/2026 Bank of New York Mellon Corp318,406$783K0.0%N/A0.220%
5/19/2026Bank of America Corp DE121,656$191K0.0%+46.4%0.084%
5/15/2026 Rice Hall James & Associates LLC2,547,255$4.00M0.2%+6.1%1.759%
5/14/2026Renaissance Technologies LLC269,600$423K0.0%+11.1%0.186%
5/14/2026Sei Investments Co.60,578$95K0.0%+41.3%0.042%
5/14/2026 State of Wyoming24,694$39K0.0%+101.7%0.017%
5/7/2026Dimensional Fund Advisors LP1,745,248$2.74M0.0%-18.9%1.205%
4/30/2026 Isthmus Partners LLC756,674$1.19M0.1%+4.9%0.523%
2/19/2026Invesco Ltd.136,309$252K0.0%+9.9%0.095%
2/18/2026Millennium Management LLC673,395$1.25M0.0%+135.6%0.468%
2/18/2026Boothbay Fund Management LLC47,596$88K0.0%N/A0.033%
2/18/2026Bridgeway Capital Management LLC198,900$368K0.0%+29.2%0.138%
2/17/2026ADAR1 Capital Management LLC702,190$1.30M0.1%-35.6%0.488%
2/17/2026Cadian Capital Management LP4,434,954$8.21M0.6%+20.7%3.081%
2/17/2026Public Employees Retirement System of Ohio15,321$28K0.0%-84.1%0.011%
2/17/2026 Rice Hall James & Associates LLC2,401,088$4.44M0.2%-0.5%1.668%
2/16/2026Squarepoint Ops LLC20,326$38K0.0%-42.6%0.014%
2/16/2026Barclays PLC165,557$306K0.0%+15.2%0.115%
2/13/2026The Manufacturers Life Insurance Company 28,943$54K0.0%N/A0.020%
2/13/2026Charles Schwab Investment Management Inc.966,026$1.79M0.0%+23.0%0.671%
2/13/2026 State Street Corp2,048,996$3.79M0.0%-2.2%1.423%
2/13/2026Wells Fargo & Company MN125,636$232K0.0%+55.9%0.087%
2/12/2026Jane Street Group LLC135,378$250K0.0%-28.4%0.094%
2/12/2026MetLife Investment Management LLC36,552$68K0.0%-35.5%0.025%
2/12/2026Renaissance Technologies LLC242,700$449K0.0%-53.6%0.169%
2/12/2026Dimensional Fund Advisors LP2,152,593$3.98M0.0%-15.5%1.495%
2/12/2026Arbiter Partners Capital Management LLC192,585$356K0.2%+20.0%0.134%
2/12/2026 Private Management Group Inc.2,420,478$4.48M0.1%-3.9%1.681%
2/10/2026Goldman Sachs Group Inc.540,277$1M0.0%-8.1%0.375%
2/10/2026Intech Investment Management LLC37,820$70K0.0%-25.2%0.026%
2/9/2026Geode Capital Management LLC2,722,692$5.04M0.0%+17.0%1.891%
2/5/2026 Isthmus Partners LLC721,309$1.33M0.1%+7.8%0.501%
2/4/2026 Towerview LLC1,000,000$1.85M1.3%+20.3%0.695%
1/14/2026 Woodstock Corp35,240$65K0.0%-90.0%0.024%
1/9/2026 SG Americas Securities LLC23,141$43K0.0%+96.6%0.016%
1/1/2026JPMorgan Chase & Co.762,912$1.22M0.0%-3.9%0.530%
11/17/2025Jacobs Levy Equity Management Inc.1,006,256$1.61M0.0%-9.0%0.699%
Beginner’s Guide to Gold (Ad)

The Ultimate Beginner's Guide to Gold IRAs Protect Your Retirement Savings Before It's Too Late With This Informative Guide! Plus, you could even get up to 10% INSTANT MATCH in BONUS Silver (while supplies last).tc pixel

Yes, I Want This Beginner's Guide to Gold IRAs Now!
11/17/2025Woodline Partners LP2,857,142$4.57M0.0%N/A1.985%
11/17/2025Millennium Management LLC285,801$457K0.0%-56.1%0.199%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.43,448$70K0.0%-21.9%0.030%
11/17/2025Bank of America Corp DE48,030$77K0.0%-32.4%0.033%
11/17/2025Ameriprise Financial Inc.232,787$372K0.0%-16.8%0.162%
11/14/2025ADAR1 Capital Management LLC1,090,628$1.75M0.2%+234.4%0.758%
11/14/2025Two Sigma Investments LP291,735$467K0.0%+25.9%0.203%
11/14/2025Bridgeway Capital Management LLC153,900$246K0.0%+185.5%0.107%
11/14/2025Squarepoint Ops LLC35,431$57K0.0%+114.2%0.025%
11/14/2025 Private Management Group Inc.2,518,279$4.03M0.1%-1.6%1.749%
11/13/2025Sei Investments Co.81,045$130K0.0%+32.6%0.056%
11/13/2025BNP Paribas Financial Markets21,721$35K0.0%+92.5%0.015%
11/12/2025Arbiter Partners Capital Management LLC160,529$257K0.2%N/A0.112%
11/12/2025Dimensional Fund Advisors LP2,548,284$4.08M0.0%-12.5%1.770%
11/12/2025Intech Investment Management LLC50,565$81K0.0%-13.2%0.035%
11/10/2025 Cornerstone Capital Inc.109,211$175K0.0%-33.3%0.076%
11/10/2025 Isthmus Partners LLC669,071$1.07M0.2%+17.8%0.465%
11/7/2025 GSA Capital Partners LLP262,371$420K0.0%+902.4%0.182%
11/7/2025Vanguard Group Inc.5,148,061$8.24M0.0%-2.3%3.576%
11/7/2025JPMorgan Chase & Co.762,912$1.22M0.0%-3.9%0.530%
10/16/2025 Rice Hall James & Associates LLC2,412,038$3.86M0.2%-8.2%1.675%
10/9/2025Voya Investment Management LLC19,496$31K0.0%-36.2%0.014%
10/7/2025 Woodstock Corp351,753$563K0.0%-43.4%0.244%
9/26/2025Corient Private Wealth LLC30,253$53K0.0%N/A0.021%
9/4/2025Osaic Holdings Inc.14,247$25K0.0%+214.4%0.012%
8/15/2025Corient Private Wealth LLC30,253$53K0.0%N/A0.025%
8/15/2025Boothbay Fund Management LLC188,554$328K0.0%-50.1%0.154%
8/15/2025Bridgeway Capital Management LLC53,900$94K0.0%N/A0.044%
8/15/2025Brevan Howard Capital Management LP53,779$94K0.0%N/A0.044%
8/15/2025Bank of America Corp DE71,031$124K0.0%-86.9%0.058%
8/15/2025Ameriprise Financial Inc.279,789$487K0.0%+854.6%0.229%
8/14/2025Kent Lake PR LLC1,750,000$3.05M1.4%+677.8%1.433%
8/14/2025Jane Street Group LLC153,736$268K0.0%+90.3%0.126%
8/14/2025Murchinson Ltd.502,810$875K0.3%-50.1%0.412%
8/14/2025The Manufacturers Life Insurance Company 44,809$78K0.0%+20.5%0.037%
8/14/2025Sei Investments Co.61,126$106K0.0%+166.5%0.050%
8/14/2025Cerity Partners LLC22,612$39K0.0%+111.5%0.019%
8/13/2025Marshall Wace LLP359,665$626K0.0%N/A0.294%
8/13/2025Invesco Ltd.109,613$191K0.0%+17.0%0.090%
8/13/2025 Isthmus Partners LLC568,043$988K0.1%+21.2%0.465%
8/12/2025 Cornerstone Capital Inc.163,762$285K0.0%-4.8%0.134%
8/12/2025XTX Topco Ltd137,171$239K0.0%+156.5%0.112%
8/12/2025 Private Management Group Inc.2,558,045$4.45M0.1%+1.1%2.094%
8/12/2025Rhumbline Advisers160,728$280K0.0%+6.0%0.132%
8/12/2025JPMorgan Chase & Co.793,734$1.38M0.0%+28.3%0.650%
8/8/2025Intech Investment Management LLC58,224$101K0.0%-43.2%0.048%
8/8/2025Geode Capital Management LLC2,439,424$4.25M0.0%-0.9%1.997%
8/6/2025 Towerview LLC831,100$1.45M1.0%+43.3%0.680%
7/30/2025Connors Investor Services Inc.62,000$108K0.0%+25.0%0.051%
7/25/2025Vanguard Personalized Indexing Management LLC45,165$79K0.0%N/A0.037%
Elon's Terrifying Warning: America Is "1,000% Going Bankrupt" (Ad)

The national debt just crossed $39 trillion, and Elon Musk - former head of the Department of Government Efficiency under President Trump - has gone on record saying the U.S. is '1,000% going to go bankrupt' if the trajectory doesn't change. The Trump administration preserved a little-known IRS loophole that allows everyday Americans to shield their retirement savings from the next wave of market turbulence. A free 2026 Wealth Protection Guide walks through the steps to use it.tc pixel

Download your free 2026 Wealth Protection Guide and secure your nest egg
7/15/2025Public Employees Retirement System of Ohio96,361$168K0.0%N/A0.079%
7/9/2025 Woodstock Corp621,684$1.08M0.1%-16.3%0.509%
6/27/2025Goldman Sachs Group Inc.243,669$585K0.0%-55.6%0.199%
5/19/2025Jane Street Group LLC80,778$194K0.0%+26.3%0.066%
5/16/2025Goldman Sachs Group Inc.243,669$585K0.0%-55.6%0.200%
5/16/2025Murchinson Ltd.1,007,810$2.42M0.1%+0.8%0.825%
5/16/2025AQR Capital Management LLC10,271$25K0.0%N/A0.008%
5/16/2025ADAR1 Capital Management LLC126,108$303K0.1%-54.7%0.103%
5/15/2025PDT Partners LLC14,709$35K0.0%-73.8%0.012%
5/15/2025First Sabrepoint Capital Management LP410,000$984K0.4%-71.9%0.336%


OABI Institutional Ownership - Frequently Asked Questions

During the previous two years, 95 institutional investors and hedge funds held shares of OmniAb. The most heavily invested institutionals were Janus Henderson Group PLC ($28.18M), BlackRock Inc. ($21.89M), Vanguard Group Inc. ($8.24M), Cadian Capital Management LP ($8.21M), Rice Hall James & Associates LLC ($6.42M), Chicago Capital LLC ($6.29M), and Orchard Capital Management LLC ($5.09M).Learn more on OmniAb's institutional investors.

72.08% of OmniAb's stock is owned by institutional investors. Learn more on OABI's institutional investor holdings.

Of the 73 institutional investors that purchased OmniAb's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($8.90M), Rice Hall James & Associates LLC ($2.92M), Woodline Partners LP ($2.86M), Kent Lake PR LLC ($1.53M), JPMorgan Chase & Co. ($1.03M), Murchinson Ltd. ($1.01M), and ADAR1 Capital Management LLC ($764.52K).

Institutional investors have bought a total of 21,577,696 shares in the last 24 months. This purchase volume represents approximately $45.72M in transactions.

Of the 24 institutional investors that sold OmniAb's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Dimensional Fund Advisors LP ($1.17M), Woodstock Corp ($586.44K), Murchinson Ltd. ($505K), Bank of America Corp DE ($494.91K), ADAR1 Capital Management LLC ($388.44K), Millennium Management LLC ($364.52K), and Renaissance Technologies LLC ($280.75K).

Institutional investors have sold a total of 5,039,503 shares in the last 24 months. This volume of shares sold represents approximately $8.65M in transactions.


Related Companies

Institutional ownership data for NASDAQ:OABI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/7/2026. New 13F filings are added each quarter as they're published.
From Our Partners
Buy this stock tomorrow
A new strategy called Sell This, Buy That aims to help investors rotate out of overpriced AI stocks before a p...
Chaikin Analytics | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel
Your $29.97 book is free today
Why Some Traders Skip Stocks Entirely You don't need a big account to trade options. In fact, options ca...
Profits Run | Sponsoredtc pixel
They didn't warn anyone in 1971. This time someone is warning you.
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
Barricks gold output fell from 2 million ounces to 719000
Barrick's gold production has plunged from 2 million ounces to just 719,000, leaving the world's second-larges...
Golden Portfolio | Sponsoredtc pixel
This tiny piece of glass could be bigger than GPUs
Jensen Huang says AI can't scale without it. Google Ventures calls it the future of AI compute. Sequoia Capita...
Brownstone Research | Sponsoredtc pixel
Trump's Next Move Could Shrink Your Dollar
There's a plan in Washington being called the 'Mar-a-Lago Accord' - a deliberate strategy to weaken the U.S. d...
Priority Gold | Sponsoredtc pixel
Elon's Terrifying Warning: America Is "1,000% Going Bankrupt"
The national debt just crossed $39 trillion, and Elon Musk - former head of the Department of Government Effic...
American Hartford Gold | Sponsoredtc pixel