Jane Street
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Jane Street’s Bio-Rad Laboratories Class A BIO Stock Holding History

Jane Street’s Portfolio BIO Stock Details BIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-1,800
Closed -$434K – 10791
2025
Q2 		$434K Buy
+1,800
New +$426K ﹤0.01% 7197
2024
Q4 		– Sell
-600
Closed -$201K – 9402
2024
Q3 		$201K Sell
600
-1,500
-71% -$476K ﹤0.01% 8641
2024
Q2 		$574K Buy
2,100
+600
+40% +$175K ﹤0.01% 6793
2024
Q1 		$519K Sell
1,500
-2,800
-65% -$921K ﹤0.01% 6600
2023
Q4 		$1.39M Buy
4,300
+3,400
+378% +$1.07M ﹤0.01% 4962
2023
Q3 		$323K Buy
900
+300
+50% +$116K ﹤0.01% 6959
2023
Q2 		$227K Buy
600
+100
+20% +$40.7K ﹤0.01% 7518
2023
Q1 		$240K Sell
500
-1,100
-69% -$515K ﹤0.01% 7552
2022
Q4 		$673K Sell
1,600
-15,400
-91% -$6.22M ﹤0.01% 5643
2022
Q3 		$7.09M Sell
17,000
-6,000
-26% -$2.99M ﹤0.01% 2107
2022
Q2 		$11.4M Buy
23,000
+15,800
+219% +$8.23M ﹤0.01% 1590
2022
Q1 		$4.05M Buy
7,200
+6,300
+700% +$3.8M ﹤0.01% 3401
2021
Q4 		$680K Buy
900
+400
+80% +$299K ﹤0.01% 6686
2021
Q3 		$373K Buy
500
+100
+25% +$74.9K ﹤0.01% 7785
2021
Q2 		$258K Sell
400
-300
-43% -$183K ﹤0.01% 8409
2021
Q1 		$400K Sell
700
-100
-13% -$59.2K ﹤0.01% 7201
2020
Q4 		$466K Buy
+800
New +$456K ﹤0.01% 5847
2020
Q3 		– Sell
-500
Closed -$226K – 7148
2020
Q2 		$226K Buy
+500
New +$221K ﹤0.01% 6216

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Jane Street's BIO Position: Q1 2026 in Review

Jane Street sold out of Bio-Rad Laboratories Class A (BIO) in Q1 2026, closing a stake of 73,967 shares — an estimated $21.3M sold.

Jane Street first reported a position in BIO in Q3 2013 and held it in 37 quarters. The position peaked at $22.4M in Q4 2025. 392 funds tracked by Wall St. Rank hold BIO as of Q1 2026.

  • Jane Street reported no remaining Bio-Rad Laboratories Class A position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 73,967 Bio-Rad Laboratories Class A shares in Q1 2026, an estimated $21.3M.
  • Jane Street first reported a position in Bio-Rad Laboratories Class A in Q3 2013 and held it in 37 quarters.
  • Jane Street's Bio-Rad Laboratories Class A position peaked at $22.4M in Q4 2025.
  • 392 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.