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
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 $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

Simplex Trading's OABI Position: Q1 2026 in Review

Simplex Trading reduced its OmniAb (OABI) stake by 34% in Q1 2026, selling an estimated $265 and leaving 283 shares worth $444. The position accounts for ﹤0.01% of the portfolio, ranked #8745.

Simplex Trading first reported a position in OABI in Q4 2022 and has held it in 10 quarters since. The position peaked at $9K in Q3 2024. 128 funds tracked by Wall St. Rank hold OABI as of Q1 2026.

  • Simplex Trading held 283 shares of OmniAb worth $444 as of Q1 2026.
  • Simplex Trading sold 147 OmniAb shares in Q1 2026, an estimated $265.
  • OmniAb made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #8745 holding.
  • Simplex Trading first reported a position in OmniAb in Q4 2022 and has held it in 10 quarters since.
  • Simplex Trading's OmniAb position peaked at $9K in Q3 2024.
  • 128 funds tracked by Wall St. Rank held OmniAb as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.