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David Shaw’s OmniAb OABI Stock Holding History

David Shaw’s Portfolio OABI Stock Details OABI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.38M Buy
559,404
+179,150
+47% +$356K ﹤0.01% 3513
2026
Q1 		$597K Sell
380,254
-2,898
-0.8% -$5.23K ﹤0.01% 3760
2025
Q4 		$709K Buy
383,152
+196,871
+106% +$342K ﹤0.01% 3743
2025
Q3 		$298K Buy
+186,281
New +$340K ﹤0.01% 4117
2024
Q3 		– Sell
-42,963
Closed -$161K – 4772
2024
Q2 		$161K Sell
42,963
-77,704
-64% -$354K ﹤0.01% 4114
2024
Q1 		$654K Sell
120,667
-127,445
-51% -$734K ﹤0.01% 3351
2023
Q4 		$1.53M Buy
248,112
+42,325
+21% +$208K ﹤0.01% 2861
2023
Q3 		$1.07M Buy
205,787
+111,294
+118% +$594K ﹤0.01% 3018
2023
Q2 		$475K Buy
+94,493
New +$383K ﹤0.01% 3443
2022
Q4 		– Sell
-702,724
Closed -$7.17M – 5032
2022
Q3 		$7.17M Buy
702,724
+250,000
+55% +$2.54M 0.01% 1693
2022
Q2 		$4.58M Hold
452,724
– – 0.01% 2234
2022
Q1 		$4.58M Buy
452,724
+119,238
+36% +$1.19M ﹤0.01% 2418
2021
Q4 		$3.32M Buy
+333,486
New +$3.33M ﹤0.01% 2835

Other funds holding OABI

WCM
Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
CCM
Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $2.05B AUM 43.16% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

David Shaw's OABI Position: Q2 2026 in Review

David Shaw increased its OmniAb (OABI) stake by 47% in Q2 2026, buying an estimated $356K and bringing the position to 559,404 shares worth $1.38M. The position accounts for ﹤0.01% of the portfolio, ranked #3513.

David Shaw first reported a position in OABI in Q4 2021 and has held it in 13 quarters since. The position peaked at $7.17M in Q3 2022. 130 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • David Shaw held 559,404 shares of OmniAb worth $1.38M as of Q2 2026.
  • David Shaw bought 179,150 OmniAb shares in Q2 2026, an estimated $356K.
  • OmniAb made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #3513 holding.
  • David Shaw first reported a position in OmniAb in Q4 2021 and has held it in 13 quarters since.
  • David Shaw's OmniAb position peaked at $7.17M in Q3 2022.
  • 130 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.