OmniAb, Inc. - Common Stock, par value $0.0001 per share (OABI)
CUSIP: 68218J103
Q2 2025 13F Holders as of 30 Jun 2025
- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Shares outstanding
- 144,611,435
- Total 13F shares
- 55,028,248
- Share change
- -8,862,625
- Total reported value
- $95,538,152
- Price per share
- $1.74
- Number of holders
- 142
- Value change
- -$30,177,530
- Number of buys
- 78
- Number of sells
- 62
Quarterly Holders Quick Answers
What is CUSIP 68218J103?
CUSIP 68218J103 identifies OABI - OmniAb, Inc. - Common Stock, par value $0.0001 per share in SEC institutional holdings data.
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Recent filing periods for CUSIP 68218J103:
Top shareholders of OABI - OmniAb, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Avista Acquisition GP LLC II |
3/4/5
|
Director, 10%+ Owner |
—
mixed-class rows
|
14,817,674
mixed-class rows
|
$85,344,500 | — | 09 Dec 2022 | |
| Avista Capital Managing Member V, LLC |
3/4/5
|
10%+ Owner |
—
mixed-class rows
|
27,274,972
mixed-class rows
|
$59,485,556 | — | 28 Jun 2024 | |
| JANUS HENDERSON GROUP PLC |
13F
13D/G
|
Company |
0.8%
from 13D/G
|
8,058,228
|
$19,500,911 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
4.9%
|
7,058,742
|
$16,940,980 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.6%
|
5,179,306
|
$12,430,335 | — | 31 Mar 2025 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
3.1%
|
4,422,738
|
$10,615,000 | — | 31 Mar 2025 | |
| Whitefort Capital Management, LP |
13F
|
Company |
2.7%
|
3,914,896
|
$9,395,750 | — | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2.2%
|
3,131,718
|
$7,516,273 | — | 31 Mar 2025 | |
| Rubric Capital Management LP |
13F
|
Company |
2%
|
2,850,588
|
$6,841,411 | — | 31 Mar 2025 | |
| Chicago Capital, LLC |
13F
|
Company |
1.8%
|
2,620,454
|
$6,289,089 | — | 31 Mar 2025 | |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
|
Company |
1.8%
|
2,580,780
|
$6,193,872 | — | 31 Mar 2025 | |
| PRIVATE MANAGEMENT GROUP INC |
13F
|
Company |
1.7%
|
2,529,759
|
$6,071,422 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.7%
|
2,461,050
|
$5,907,856 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.3%
|
1,921,283
|
$4,611,079 | — | 31 Mar 2025 | |
| VILLERE ST DENIS J & CO LLC |
13F
|
Company |
0.99%
|
1,437,944
|
$3,451,067 | — | 31 Mar 2025 | |
| Murchinson Ltd. |
13F
|
Company |
0.7%
|
1,007,810
|
$2,418,744 | — | 31 Mar 2025 | |
| David M. Knott Jr. |
13F
|
Individual |
0.68%
|
982,336
|
$2,357,606 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.57%
|
827,126
|
$1,985,103 | — | 31 Mar 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.57%
|
817,080
|
$1,960,992 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.56%
|
810,978
|
$1,946,347 | — | 31 Mar 2025 | |
| Impax Asset Management Group plc |
13F
|
Company |
0.53%
|
761,387
|
$1,827,329 | — | 31 Mar 2025 | |
| WOODSTOCK CORP |
13F
|
Company |
0.51%
|
742,700
|
$1,782,480 | — | 31 Mar 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.43%
|
618,437
|
$1,484,249 | — | 31 Mar 2025 | |
| TOWERVIEW LLC |
13F
|
Company |
0.4%
|
580,000
|
$1,392,000 | — | 31 Mar 2025 | |
| BARCLAYS PLC |
3/4/5
13F
|
Not a 10% owner · Company |
0.07%
from 13F
|
134,344
|
$1,343,440 | — | 04 Nov 2022 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.38%
|
542,940
|
$1,303,057 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.34%
|
498,664
|
$1,196,794 | — | 31 Mar 2025 | |
| ISTHMUS PARTNERS, LLC |
13F
|
Company |
0.32%
|
468,707
|
$1,124,897 | — | 31 Mar 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.3%
|
432,859
|
$1,038,862 | — | 31 Mar 2025 | |
| FIRST SABREPOINT CAPITAL MANAGEMENT LP |
13F
|
Company |
0.28%
|
410,000
|
$984,000 | — | 31 Mar 2025 | |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
|
Company |
0.26%
|
377,929
|
$907,030 | — | 31 Mar 2025 | |
| TANG CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.21%
|
300,000
|
$720,000 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
—
mixed-class rows
|
290,124
mixed-class rows
|
$648,151 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.18%
|
258,142
|
$619,541 | — | 31 Mar 2025 | |
| TLS Advisors LLC |
13F
|
Company |
0.17%
|
250,185
|
$600,000 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.17%
|
243,669
|
$584,806 | — | 31 Mar 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.16%
|
227,801
|
$546,723 | — | 31 Mar 2025 | |
| Kent Lake PR LLC |
13F
|
Company |
0.16%
|
225,000
|
$540,000 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.13%
|
194,024
|
$465,658 | — | 31 Mar 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.13%
|
181,408
|
$435,379 | — | 31 Mar 2025 | |
| Cornerstone Capital, Inc. |
13F
|
Company |
0.12%
|
172,016
|
$412,838 | — | 31 Mar 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.1%
|
151,565
|
$363,742 | — | 31 Mar 2025 | |
| LMR Partners LLP |
13F
|
Company |
—
class O/S missing
|
897,392
|
$334,817 | — | 31 Mar 2025 | |
| FMR LLC |
13F
|
Company |
0.09%
|
131,526
|
$315,662 | — | 31 Mar 2025 | |
| ADAR1 Capital Management, LLC |
13F
|
Company |
0.09%
|
126,108
|
$302,659 | — | 31 Mar 2025 | |
| Sarah Boyce |
3/4/5
|
Director |
—
mixed-class rows
|
128,381
mixed-class rows
|
$301,970 | — | 18 Jun 2024 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.09%
|
125,452
|
$301,000 | — | 31 Mar 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.08%
|
119,392
|
$286,541 | — | 31 Mar 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.08%
|
118,038
|
$283,291 | — | 31 Mar 2025 | |
| Northeast Financial Consultants Inc |
13F
|
Company |
0.08%
|
110,996
|
$266,391 | — | 31 Mar 2025 |
Institutional Holders of OmniAb, Inc. - Common Stock, par value $0.0001 per share (OABI) as of Q2 2025
As of 30 Jun 2025,
OmniAb, Inc. - Common Stock, par value $0.0001 per share (OABI) was held by
142 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
55,028,248 shares.
The largest 10 holders included
Whitefort Capital Management, LP, BlackRock, Inc., VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, RICE HALL JAMES & ASSOCIATES, LLC, PRIVATE MANAGEMENT GROUP INC, GEODE CAPITAL MANAGEMENT, LLC, CITADEL ADVISORS LLC, STATE STREET CORP, and Kent Lake PR LLC.
This page lists
142
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
148
Q2 2025 holders
142
Holder diff
-6
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.