Simplex Trading
OABI icon

Simplex Trading’s OmniAb OABI Stock Holding History

Simplex Trading’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 		– Sell
-283
Closed -$562 – 10013
2026
Q1 		$444 Sell
283
-147
-34% -$265 ﹤0.01% 8745
2025
Q4 		$795 Sell
430
-2,904
-87% -$5.05K ﹤0.01% 8078
2025
Q3 		$5K Buy
3,334
+3,134
+1,567% +$5.73K ﹤0.01% 8331
2025
Q2 		$0 Sell
200
-31
-13% -$52 ﹤0.01% 9417
2025
Q1 		$0 Sell
231
-1,100
-83% -$3.6K ﹤0.01% 9298
2024
Q4 		$4K Sell
1,331
-986
-43% -$3.9K ﹤0.01% 7767
2024
Q3 		$9K Buy
2,317
+374
+19% +$1.62K ﹤0.01% 7265
2024
Q2 		$7K Buy
+1,943
New +$8.85K ﹤0.01% 7687
2023
Q3 		– Sell
-7
Closed -$37 – 9481
2023
Q2 		$0 Buy
+7
New +$28 ﹤0.01% 9633
2023
Q1 		– Sell
-1,992
Closed -$7.52K – 9801
2022
Q4 		$7K Buy
+1,992
New +$10.5K ﹤0.01% 7847

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

Simplex Trading's OABI Position: Q2 2026 in Review

Simplex Trading sold out of OmniAb (OABI) in Q2 2026, closing a stake of 283 shares — an estimated $562 sold.

Simplex Trading first reported a position in OABI in Q4 2022 and held it in 10 quarters. The position peaked at $9K in Q3 2024. 132 funds tracked by Wall St. Rank hold OABI as of Q2 2026.

  • Simplex Trading reported no remaining OmniAb position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 283 OmniAb shares in Q2 2026, an estimated $562.
  • Simplex Trading first reported a position in OmniAb in Q4 2022 and held it in 10 quarters.
  • Simplex Trading's OmniAb position peaked at $9K in Q3 2024.
  • 132 funds tracked by Wall St. Rank held OmniAb as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.