Two Sigma Advisers
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Two Sigma Advisers’s OmniAb OABI Stock Holding History

Two Sigma Advisers’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 		– Sell
-197,530
Closed -$365K – 1462
2025
Q4 		$365K Buy
197,530
+71,500
+57% +$124K ﹤0.01% 1906
2025
Q3 		$202K Buy
126,030
+18,100
+17% +$33.1K ﹤0.01% 2134
2025
Q2 		$188K Buy
+107,930
New +$181K ﹤0.01% 2131
2023
Q4 		– Sell
-11,050
Closed -$57.4K – 2601
2023
Q3 		$57.4K Sell
11,050
-4,000
-27% -$21.3K ﹤0.01% 2266
2023
Q2 		$75.7K Buy
15,050
+2,200
+17% +$8.92K ﹤0.01% 2238
2023
Q1 		$47.3K Buy
12,850
+1,100
+9% +$4.15K ﹤0.01% 2454
2022
Q4 		$42.3K Buy
+11,750
New +$61.7K ﹤0.01% 2377

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 Advisers's OABI Position: Q1 2026 in Review

Two Sigma Advisers sold out of OmniAb (OABI) in Q1 2026, closing a stake of 197,530 shares — an estimated $365K sold.

Two Sigma Advisers first reported a position in OABI in Q4 2022 and held it in 7 quarters. The position peaked at $365K in Q4 2025. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

  • Two Sigma Advisers reported no remaining OmniAb position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Advisers sold 197,530 OmniAb shares in Q1 2026, an estimated $365K.
  • Two Sigma Advisers first reported a position in OmniAb in Q4 2022 and held it in 7 quarters.
  • Two Sigma Advisers's OmniAb position peaked at $365K in Q4 2025.
  • 128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.