Two Sigma Investments
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Two Sigma Investments’s Bio-Rad Laboratories Class A BIO Stock Holding History

Two Sigma Investments’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 		$3.06M Buy
+10,988
New +$3.16M ﹤0.01% 2424
2025
Q1 		– Sell
-2,050
Closed -$673K – 3207
2024
Q4 		$673K Buy
2,050
+846
+70% +$287K ﹤0.01% 2393
2024
Q3 		$403K Sell
1,204
-6,281
-84% -$1.99M ﹤0.01% 2558
2024
Q2 		$2.04M Sell
7,485
-24,582
-77% -$7.15M ﹤0.01% 1529
2024
Q1 		$11.1M Sell
32,067
-946
-3% -$311K 0.03% 622
2023
Q4 		$10.7M Sell
33,013
-1,655
-5% -$519K 0.02% 655
2023
Q3 		$12.4M Sell
34,668
-25,307
-42% -$9.76M 0.03% 531
2023
Q2 		$22.7M Buy
59,975
+48,532
+424% +$19.7M 0.06% 370
2023
Q1 		$5.48M Sell
11,443
-14,329
-56% -$6.71M 0.02% 854
2022
Q4 		$10.8M Sell
25,772
-2,314
-8% -$934K 0.03% 526
2022
Q3 		$11.7M Buy
28,086
+7,306
+35% +$3.64M 0.04% 443
2022
Q2 		$10.3M Sell
20,780
-52,057
-71% -$27.1M 0.03% 503
2022
Q1 		$41M Buy
72,837
+29,055
+66% +$17.5M 0.12% 214
2021
Q4 		$33.1M Buy
43,782
+15,778
+56% +$11.8M 0.07% 324
2021
Q3 		$20.9M Buy
28,004
+1,053
+4% +$789K 0.05% 458
2021
Q2 		$17.4M Buy
26,951
+1,089
+4% +$663K 0.04% 546
2021
Q1 		$14.8M Buy
+25,862
New +$15.3M 0.04% 543
2020
Q3 		– Sell
-9,204
Closed -$4.16M – 3086
2020
Q2 		$4.16M Sell
9,204
-2,655
-22% -$1.17M 0.02% 729
2020
Q1 		$4.16M Sell
11,859
-88,240
-88% -$32.4M 0.03% 584
2019
Q4 		$37M Sell
100,099
-61,127
-38% -$21.6M 0.11% 205
2019
Q3 		$53.6M Buy
161,226
+65,224
+68% +$21.3M 0.18% 138
2019
Q2 		$30M Sell
96,002
-12,446
-11% -$3.73M 0.1% 252
2019
Q1 		$33.1M Sell
108,448
-3,518
-3% -$949K 0.11% 241
2018
Q4 		$26M Buy
111,966
+38,287
+52% +$10.3M 0.1% 263
2018
Q3 		$23.1M Buy
73,679
+880
+1% +$273K 0.06% 384
2018
Q2 		$21M Buy
72,799
+26,159
+56% +$7.22M 0.06% 396
2018
Q1 		$11.7M Sell
46,640
-38,275
-45% -$9.75M 0.04% 528
2017
Q4 		$20.3M Buy
84,915
+33,199
+64% +$8.04M 0.07% 367
2017
Q3 		$11.5M Buy
51,716
+47,515
+1,131% +$10.7M 0.04% 470
2017
Q2 		$951K Sell
4,201
-22,091
-84% -$4.81M ﹤0.01% 1927
2017
Q1 		$5.24M Buy
26,292
+16,511
+169% +$3.18M 0.02% 928
2016
Q4 		$1.78M Buy
9,781
+87
+0.9% +$14.8K 0.01% 1578
2016
Q3 		$1.59M Buy
9,694
+4,870
+101% +$739K 0.01% 1634
2016
Q2 		$690K Sell
4,824
-32,250
-87% -$4.6M ﹤0.01% 2018
2016
Q1 		$5.07M Buy
+37,074
New +$4.87M 0.02% 704
2015
Q4 		– Sell
-37,346
Closed -$5.02M – 2670
2015
Q3 		$5.02M Sell
37,346
-80,950
-68% -$11.7M 0.03% 530
2015
Q2 		$17.8M Sell
118,296
-34,214
-22% -$4.89M 0.08% 297
2015
Q1 		$20.6M Buy
152,510
+65,533
+75% +$8.12M 0.1% 266
2014
Q4 		$10.5M Buy
86,977
+81,804
+1,581% +$9.42M 0.06% 391
2014
Q3 		$587K Sell
5,173
-37,464
-88% -$4.44M ﹤0.01% 1244
2014
Q2 		$5.1M Buy
42,637
+11,463
+37% +$1.4M 0.02% 704
2014
Q1 		$3.99M Buy
31,174
+7,801
+33% +$1,000K 0.02% 714
2013
Q4 		$2.89M Sell
23,373
-36,228
-61% -$4.41M 0.02% 846
2013
Q3 		$7.01M Sell
59,601
-13,309
-18% -$1.57M 0.04% 429
2013
Q2 		$8.18M Buy
+72,910
New +$8.55M 0.06% 393

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

Two Sigma Investments's BIO Position: Q1 2026 in Review

Two Sigma Investments opened a new position in Bio-Rad Laboratories Class A (BIO) in Q1 2026: 10,988 shares worth $3.06M. The stake represents ﹤0.01% of the portfolio and ranks #2424 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in BIO as recently as Q4 2024.

Two Sigma Investments first reported a position in BIO in Q2 2013 and has held it in 45 quarters since. The position peaked at $53.6M in Q3 2019. 391 funds tracked by Wall St. Rank hold BIO as of Q1 2026.

  • Two Sigma Investments held 10,988 shares of Bio-Rad Laboratories Class A worth $3.06M as of Q1 2026.
  • Bio-Rad Laboratories Class A was a new Two Sigma Investments position in Q1 2026.
  • Bio-Rad Laboratories Class A made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #2424 holding.
  • Two Sigma Investments first reported a position in Bio-Rad Laboratories Class A in Q2 2013 and has held it in 45 quarters since.
  • Two Sigma Investments's Bio-Rad Laboratories Class A position peaked at $53.6M in Q3 2019.
  • 391 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.