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 		$13.5K Buy
+5,500
New +$10.9K ﹤0.01% 7441
2025
Q1 		– Sell
-1,600
Closed -$5K – 9297
2024
Q4 		$5K Sell
1,600
-5,400
-77% -$21.4K ﹤0.01% 7637
2024
Q3 		$29K Sell
7,000
-6,200
-47% -$26.8K ﹤0.01% 6388
2024
Q2 		$49K Buy
13,200
+9,300
+238% +$42.4K ﹤0.01% 6116
2024
Q1 		$21K Buy
3,900
+1,100
+39% +$6.34K ﹤0.01% 7058
2023
Q4 		$17K Sell
2,800
-2,800
-50% -$13.8K ﹤0.01% 7054
2023
Q3 		$29K Buy
+5,600
New +$29.9K ﹤0.01% 6288

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.