Security key
68218J103
OmniAb, Inc. - Common Stock, par value $0.0001 per share (OABI)
CUSIP: 68218J103
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Shares outstanding
- 144,611,435
- Total 13F shares
- 62,966,561
- Share change
- +8,051,230
- Total reported value
- $100,537,605
- Reported price per share
- $1.60
- Number of holders
- 139
- Value change
- +$12,809,155
- Number of buys
- 48
- Number of sells
- 70
Security identity
Holder snapshot
Report period
Q3 2025
Institutions
139
Top holders
10
OABI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
OmniAb, Inc. SEC filings
OmniAb, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 68218J103
Recent filing periods:
Ownership snapshot
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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
Whitefort Capital Managem...
13D/G signal
Whitefort Capital Managem...
Evidence rows
50
Latest as of
30 Sep 2025
13D/G
13F
3/4/5
Lead comparable stake: 9.9%
13D/G row: Whitefort Capital Management, LP
Showing first 8 of 50 holder rows.
Open remaining rows
Rank 1 holder
Whitefort Capital Management, LP
13D/G
13F
- Ownership
- 9.9%
- Position
- $22.76M
Rank 2 holder
JANUS HENDERSON GROUP PLC
13D/G
- Ownership
- 0.8%
- Position
- $2.09M
Rank 3 holder
BlackRock, Inc.
13F
- Ownership
- 4.8%
- Position
- $12.18M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Whitefort Capital Management, LP |
13D/G
13F
Company
|
9.9%
|
$22,757,853
14,223,658 shares
|
+$6,373,619 | 30 Sep 2025 |
| JANUS HENDERSON GROUP PLC |
13D/G
|
0.8%
|
$2,086,555
948,434 shares
|
-$15,655,944 | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
4.8%
|
$12,182,052
7,001,179 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.6%
|
$9,166,868
5,268,315 shares
|
— | 30 Jun 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
2%
|
$5,069,651
2,913,764 shares
|
— | 30 Jun 2025 |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
Company
|
1.8%
|
$4,571,194
2,627,123 shares
|
— | 30 Jun 2025 |
| PRIVATE MANAGEMENT GROUP INC |
13F
Company
|
1.8%
|
$4,450,998
2,558,045 shares
|
— | 30 Jun 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.7%
|
$4,245,395
2,439,424 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
139
Shares
62,966,561
Rows loaded
139
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
142
Q3 2025 holders
139
Holder diff
-3
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend