Jim Simons
BCAB icon

Jim Simons’s BioAtla BCAB Stock Holding History

Jim Simons’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 		$82.2K Sell
10,210
-3,934
-28% -$46K ﹤0.01% 3056
2025
Q4 		$401K Sell
14,144
-1,869
-12% -$73.3K ﹤0.01% 2660
2025
Q3 		$551K Buy
16,013
+928
+6% +$21.4K ﹤0.01% 2744
2025
Q2 		$299K Buy
15,085
+188
+1% +$3.81K ﹤0.01% 3041
2025
Q1 		$258K Sell
14,897
-1,695
-10% -$36.3K ﹤0.01% 2987
2024
Q4 		$490K Buy
16,592
+6,364
+62% +$534K ﹤0.01% 2854
2024
Q3 		$900K Sell
10,228
-2,282
-18% -$191K ﹤0.01% 2508
2024
Q2 		$857K Sell
12,510
-7,416
-37% -$882K ﹤0.01% 2407
2024
Q1 		$3.43M Buy
19,926
+176
+0.9% +$21.9K 0.01% 1665
2023
Q4 		$2.43M Buy
19,750
+7,246
+58% +$628K ﹤0.01% 1833
2023
Q3 		$1.06M Sell
12,504
-1,245
-9% -$159K ﹤0.01% 2250
2023
Q2 		$2.06M Buy
13,749
+4,577
+50% +$787K ﹤0.01% 1976
2023
Q1 		$1.23M Sell
9,172
-416
-4% -$74.9K ﹤0.01% 2340
2022
Q4 		$3.96M Sell
9,588
-1,724
-15% -$715K 0.01% 1663
2022
Q3 		$4.36M Sell
11,312
-4,296
-28% -$1.41M 0.01% 1521
2022
Q2 		$2.22M Buy
15,608
+4,879
+45% +$776K ﹤0.01% 2108
2022
Q1 		$2.68M Buy
10,729
+9,311
+657% +$3.89M ﹤0.01% 2001
2021
Q4 		$1.39M Buy
+1,418
New +$1.81M ﹤0.01% 2421

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 $1.88T AUM 44.46% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Jim Simons's BCAB Position: Q1 2026 in Review

Jim Simons reduced its BioAtla (BCAB) stake by 28% in Q1 2026, selling an estimated $46K and leaving 10,210 shares worth $82.2K. The position accounts for ﹤0.01% of the portfolio, ranked #3056.

Jim Simons first reported a position in BCAB in Q4 2021 and has held it in 18 quarters since. The position peaked at $4.36M in Q3 2022. 36 funds tracked by Wall St. Rank hold BCAB as of Q1 2026.

  • Jim Simons held 10,210 shares of BioAtla worth $82.2K as of Q1 2026.
  • Jim Simons sold 3,934 BioAtla shares in Q1 2026, an estimated $46K.
  • BioAtla made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #3056 holding.
  • Jim Simons first reported a position in BioAtla in Q4 2021 and has held it in 18 quarters since.
  • Jim Simons's BioAtla position peaked at $4.36M in Q3 2022.
  • 36 funds tracked by Wall St. Rank held BioAtla as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.