Two Sigma Investments
OABI icon

Two Sigma Investments’s OmniAb OABI Stock Holding History

Two Sigma Investments’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 		$805K Buy
512,741
+89,637
+21% +$162K ﹤0.01% 3421
2025
Q4 		$783K Buy
423,104
+131,369
+45% +$228K ﹤0.01% 3081
2025
Q3 		$467K Buy
291,735
+60,047
+26% +$110K ﹤0.01% 3014
2025
Q2 		$403K Buy
+231,688
New +$388K ﹤0.01% 2673
2025
Q1 		– Sell
-10,292
Closed -$36.4K – 3404
2024
Q4 		$36.4K Sell
10,292
-4,909
-32% -$19.4K ﹤0.01% 3068
2024
Q3 		$64.3K Buy
+15,201
New +$65.7K ﹤0.01% 2952
2024
Q2 		– Sell
-33,447
Closed -$181K – 3233
2024
Q1 		$181K Sell
33,447
-13,137
-28% -$75.7K ﹤0.01% 2735
2023
Q4 		$287K Buy
46,584
+4,884
+12% +$24K ﹤0.01% 2711
2023
Q3 		$216K Buy
41,700
+800
+2% +$4.27K ﹤0.01% 2611
2023
Q2 		$206K Buy
40,900
+27,200
+199% +$110K ﹤0.01% 2635
2023
Q1 		$50.4K Hold
13,700
– – ﹤0.01% 2752
2022
Q4 		$49.3K Buy
+13,700
New +$71.9K ﹤0.01% 2595

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

Two Sigma Investments's OABI Position: Q1 2026 in Review

Two Sigma Investments increased its OmniAb (OABI) stake by 21% in Q1 2026, buying an estimated $162K and bringing the position to 512,741 shares worth $805K. The position accounts for ﹤0.01% of the portfolio, ranked #3421.

Two Sigma Investments first reported a position in OABI in Q4 2022 and has held it in 12 quarters since. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

  • Two Sigma Investments held 512,741 shares of OmniAb worth $805K as of Q1 2026.
  • Two Sigma Investments bought 89,637 OmniAb shares in Q1 2026, an estimated $162K.
  • OmniAb made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #3421 holding.
  • Two Sigma Investments first reported a position in OmniAb in Q4 2022 and has held it in 12 quarters since.
  • 128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.