D.E. Shaw & Co
OABI icon

D.E. Shaw & Co’s OmniAb OABI Stock Holding History

D.E. Shaw & Co’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
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 $339M AUM 52.48% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CCM
Cadian Capital Management New York $821M AUM 14.36% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
TL
TowerView LLC New York $155M AUM 30.14% 1-Year Est. Return

D.E. Shaw & Co's OABI Position: Q1 2026 in Review

D.E. Shaw & Co reduced its OmniAb (OABI) stake by 0.76% in Q1 2026, selling an estimated $5.23K and leaving 380,254 shares worth $597K. The position accounts for ﹤0.01% of the portfolio, ranked #3760.

D.E. Shaw & Co first reported a position in OABI in Q4 2021 and has held it in 12 quarters since. The position peaked at $7.17M in Q3 2022. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

  • D.E. Shaw & Co held 380,254 shares of OmniAb worth $597K as of Q1 2026.
  • D.E. Shaw & Co sold 2,898 OmniAb shares in Q1 2026, an estimated $5.23K.
  • OmniAb made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #3760 holding.
  • D.E. Shaw & Co first reported a position in OmniAb in Q4 2021 and has held it in 12 quarters since.
  • D.E. Shaw & Co's OmniAb position peaked at $7.17M in Q3 2022.
  • 128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.