OmniAb
OABI
157 hedge funds and large institutions have $514M invested in OmniAb in 2023 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 44 increasing their positions, 42 reducing their positions, and 16 closing their positions.
303% more call options, than puts
Call options by funds: $1.11M | Put options by funds: $276K
63% more first-time investments, than exits
New positions opened: 26 | Existing positions closed: 16
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
44% more capital invested
Capital invested by funds: $356M → $514M (+$158M)
12.94% more ownership
Funds ownership: 59.13% → 72.08% (+13%)
6% more funds holding
Funds holding: 148 → 157 (+9)
5% more repeat investments, than reductions
Existing positions increased: 44 | Existing positions reduced: 42
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$2.56M |
| 2 |
William Blair Investment Management
Chicago,
Illinois
|
+$2.33M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$1.44M |
| 4 |
FSCM
First Sabrepoint Capital Management
Dallas,
Texas
|
+$1.02M |
| 5 |
Morgan Stanley
New York
|
+$970K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$7.49M |
| 2 |
KCM
Kornitzer Capital Management
Shawnee Mission,
Kansas
|
-$2.51M |
| 3 |
1CM
1492 Capital Management
Milwaukee,
Wisconsin
|
-$2.28M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$2.23M |
| 5 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$1.63M |
OABI Hedge Fund Activity: Q4 2023 in Review
157 of the 6,869 institutional investors tracked by Wall St. Rank reported a position in OmniAb (OABI) for Q4 2023, worth a combined $514M — up 44% from $356M a quarter earlier.
Buyers outnumbered sellers: 26 funds opened new OABI positions and 16 closed out — a net gain of 10 holders — while 44 added to existing stakes and 42 trimmed.
The largest buyer was BlackRock, adding an estimated $2.56M. The largest seller was Millennium Management, cutting an estimated $7.49M.
- 157 institutional investors held OmniAb (OABI) as of Q4 2023, up from 148 in Q3 2023.
- Funds reported $514M of OmniAb stock for Q4 2023, up 44% quarter-over-quarter.
- 26 funds opened new OmniAb positions in Q4 2023 and 16 closed out, a net change of +10 holders.
- The largest OmniAb buyer in Q4 2023 was BlackRock, an estimated $2.56M added.
- The largest OmniAb seller in Q4 2023 was Millennium Management, an estimated $7.49M sold.
Based on aggregated 13F filings for Q4 2023.