Simplex Trading
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Simplex Trading’s BioAtla BCAB Stock Holding History

Simplex Trading’s Portfolio BCAB Stock Details BCAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$11.9K Sell
1,478
-930
-39% -$10.9K ﹤0.01% 7202
2025
Q4 		$68.4K Buy
2,408
+1,685
+233% +$66.1K ﹤0.01% 5369
2025
Q3 		$24K Buy
723
+457
+172% +$10.6K ﹤0.01% 7165
2025
Q2 		$5K Buy
266
+77
+41% +$1.56K ﹤0.01% 7708
2025
Q1 		$3K Buy
+189
New +$4.04K ﹤0.01% 7778
2024
Q4 		– Sell
-570
Closed -$47.8K – 8496
2024
Q3 		$50K Buy
+570
New +$47.8K ﹤0.01% 5872
2024
Q2 		– Sell
-865
Closed -$103K – 8772
2024
Q1 		$148K Buy
865
+626
+262% +$77.8K ﹤0.01% 5167
2023
Q4 		$29K Sell
239
-511
-68% -$44.3K ﹤0.01% 6576
2023
Q3 		$63K Buy
+750
New +$95.6K ﹤0.01% 5575
2023
Q2 		– Sell
-37
Closed -$6.36K – 8950
2023
Q1 		$4K Sell
37
-179
-83% -$32.2K ﹤0.01% 8141
2022
Q4 		$89K Buy
216
+171
+380% +$70.9K ﹤0.01% 5215
2022
Q3 		$17K Sell
45
-424
-90% -$139K ﹤0.01% 7669
2022
Q2 		$66K Buy
469
+244
+108% +$38.8K ﹤0.01% 6115
2022
Q1 		$56K Buy
225
+54
+32% +$22.6K ﹤0.01% 6977
2021
Q4 		$167K Buy
+171
New +$219K ﹤0.01% 5442

Other funds holding BCAB

ACA
Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Simplex Trading's BCAB Position: Q1 2026 in Review

Simplex Trading reduced its BioAtla (BCAB) stake by 39% in Q1 2026, selling an estimated $10.9K and leaving 1,478 shares worth $11.9K. The position accounts for ﹤0.01% of the portfolio, ranked #7202.

Simplex Trading first reported a position in BCAB in Q4 2021 and has held it in 15 quarters since. The position peaked at $167K in Q4 2021. 36 funds tracked by Wall St. Rank hold BCAB as of Q1 2026.

  • Simplex Trading held 1,478 shares of BioAtla worth $11.9K as of Q1 2026.
  • Simplex Trading sold 930 BioAtla shares in Q1 2026, an estimated $10.9K.
  • BioAtla made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7202 holding.
  • Simplex Trading first reported a position in BioAtla in Q4 2021 and has held it in 15 quarters since.
  • Simplex Trading's BioAtla position peaked at $167K in Q4 2021.
  • 36 funds tracked by Wall St. Rank held BioAtla as of Q1 2026.

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