TwinBeech Capital’s Bio-Rad Laboratories Class A BIO Stock Holding History

TwinBeech Capital’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 Q2	$220K	Buy	+750	New	+$213K	0.04%	336
2024 Q1	–	Sell	-57,465	Closed	-$18.6M	–	560
2023 Q4	$18.6M	Buy	57,465 +44,419	+340%	+$13.9M	0.3%	96
2023 Q3	$4.68M	Buy	+13,046	New	+$5.03M	0.09%	274
2022 Q4	–	Sell	-33,555	Closed	-$14M	–	700
2022 Q3	$14M	Buy	33,555 +11,629	+53%	+$5.8M	0.37%	86
2022 Q2	$10.9M	Buy	21,926 +13,365	+156%	+$6.96M	0.49%	59
2022 Q1	$4.82M	Buy	8,561 +7,286	+571%	+$4.39M	0.21%	129
2021 Q4	$963K	Sell	1,275 -2,520	-66%	-$1.89M	0.05%	350
2021 Q3	$2.83M	Buy	+3,795	New	+$2.84M	0.2%	162
2021 Q2	–	Sell	-4,967	Closed	-$2.84M	–	452
2021 Q1	$2.84M	Buy	+4,967	New	+$2.94M	0.41%	70
2020 Q3	–	Sell	-5,993	Closed	-$2.71M	–	431
2020 Q2	$2.71M	Buy	+5,993	New	+$2.64M	0.59%	48

Other funds holding BIO

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

TwinBeech Capital's BIO Position: Q2 2026 in Review

TwinBeech Capital opened a new position in Bio-Rad Laboratories Class A (BIO) in Q2 2026: 750 shares worth $220K. The stake represents 0.04% of the portfolio and ranks #336 among its holdings. This is a return to the name: TwinBeech Capital previously reported a position in BIO as recently as Q4 2023.

TwinBeech Capital first reported a position in BIO in Q2 2020 and has held it in 10 quarters since. The position peaked at $18.6M in Q4 2023. 398 funds tracked by Wall St. Rank hold BIO as of Q2 2026.

TwinBeech Capital held 750 shares of Bio-Rad Laboratories Class A worth $220K as of Q2 2026.
Bio-Rad Laboratories Class A was a new TwinBeech Capital position in Q2 2026.
Bio-Rad Laboratories Class A made up 0.04% of TwinBeech Capital's portfolio in Q2 2026, its #336 holding.
TwinBeech Capital first reported a position in Bio-Rad Laboratories Class A in Q2 2020 and has held it in 10 quarters since.
TwinBeech Capital's Bio-Rad Laboratories Class A position peaked at $18.6M in Q4 2023.
398 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q2 2026.

Based on TwinBeech Capital's 13F filing for Q2 2026, filed 14 Aug 2026.