XT
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XTX Topco’s OmniAb OABI Stock Holding History

XTX Topco’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 		$182K Buy
73,907
+29,248
+65% +$58.1K ﹤0.01% 3298
2026
Q1 		$70.1K Buy
44,659
+32,637
+271% +$58.9K ﹤0.01% 3224
2025
Q4 		$22.2K Buy
+12,022
New +$20.9K ﹤0.01% 3033
2025
Q3 		– Sell
-137,171
Closed -$239K – 3054
2025
Q2 		$239K Buy
137,171
+83,687
+156% +$140K 0.01% 1584
2025
Q1 		$128K Buy
53,484
+1,694
+3% +$5.54K 0.01% 1812
2024
Q4 		$183K Buy
+51,790
New +$205K 0.02% 1587

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

XTX Topco's OABI Position: Q2 2026 in Review

XTX Topco increased its OmniAb (OABI) stake by 65% in Q2 2026, buying an estimated $58.1K and bringing the position to 73,907 shares worth $182K. The position accounts for ﹤0.01% of the portfolio, ranked #3298.

XTX Topco first reported a position in OABI in Q4 2024 and has held it in 6 quarters since. The position peaked at $239K in Q2 2025. 131 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • XTX Topco held 73,907 shares of OmniAb worth $182K as of Q2 2026.
  • XTX Topco bought 29,248 OmniAb shares in Q2 2026, an estimated $58.1K.
  • OmniAb made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3298 holding.
  • XTX Topco first reported a position in OmniAb in Q4 2024 and has held it in 6 quarters since.
  • XTX Topco's OmniAb position peaked at $239K in Q2 2025.
  • 131 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.