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
2026
Q1 		$1.06M Buy
+3,800
New +$1.09M ﹤0.01% 6376
2025
Q1 		– Sell
-1,500
Closed -$493K – 9439
2024
Q4 		$493K Sell
1,500
-400
-21% -$136K ﹤0.01% 6805
2024
Q3 		$636K Buy
1,900
+300
+19% +$95.3K ﹤0.01% 6764
2024
Q2 		$437K Buy
+1,600
New +$465K ﹤0.01% 7228
2024
Q1 		– Sell
-2,300
Closed -$743K – 9190
2023
Q4 		$743K Buy
+2,300
New +$721K ﹤0.01% 6110
2023
Q3 		– Sell
-1,800
Closed -$682K – 8640
2023
Q2 		$682K Sell
1,800
-1,200
-40% -$488K ﹤0.01% 5833
2023
Q1 		$1.44M Sell
3,000
-2,200
-42% -$1.03M ﹤0.01% 4369
2022
Q4 		$2.19M Sell
5,200
-9,100
-64% -$3.67M ﹤0.01% 3737
2022
Q3 		$5.96M Buy
14,300
+3,600
+34% +$1.79M ﹤0.01% 2339
2022
Q2 		$5.3M Buy
10,700
+5,500
+106% +$2.86M ﹤0.01% 2579
2022
Q1 		$2.93M Buy
5,200
+4,700
+940% +$2.83M ﹤0.01% 4011
2021
Q4 		$378K Sell
500
-400
-44% -$299K ﹤0.01% 7758
2021
Q3 		$671K Buy
900
+200
+29% +$150K ﹤0.01% 6720
2021
Q2 		$451K Sell
700
-2,600
-79% -$1.58M ﹤0.01% 7429
2021
Q1 		$1.89M Buy
3,300
+2,300
+230% +$1.36M ﹤0.01% 4132
2020
Q4 		$583K Buy
+1,000
New +$570K ﹤0.01% 5508

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.