QVIDTVM Management’s Bio-Rad Laboratories Class A BIO Stock Holding History

QVIDTVM Management’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	$23.3M	Buy	83,732 +249	+0.3%	+$71.7K	28.68%	1
2025 Q4	$25.3M	Sell	83,483 -42,997	-34%	-$13.4M	28.62%	1
2025 Q3	$35.5M	Buy	126,480 +400	+0.3%	+$109K	38.17%	2
2025 Q2	$30.4M	Sell	126,080 -120	-0.1%	-$28.4K	30.47%	2
2025 Q1	$30.7M	Buy	126,200 +7,253	+6%	+$2.18M	27.17%	2
2024 Q4	$39.1M	Sell	118,947 -6,991	-6%	-$2.37M	31.47%	1
2024 Q3	$42.1M	Hold	125,938	–	–	29.49%	1
2024 Q2	$34.4M	Hold	125,938	–	–	27.51%	1
2024 Q1	$43.6M	Buy	125,938 +900	+0.7%	+$296K	35.07%	1
2023 Q4	$40.4M	Buy	125,038 +55,867	+81%	+$17.5M	34%	1
2023 Q3	$24.8M	Buy	+69,171	New	+$26.7M	19.26%	3

Other funds holding BIO

First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

QVIDTVM Management's BIO Position: Q1 2026 in Review

QVIDTVM Management increased its Bio-Rad Laboratories Class A (BIO) stake by 0.3% in Q1 2026, buying an estimated $71.7K and bringing the position to 83,732 shares worth $23.3M. The position accounts for 28.68% of the portfolio, ranked #1.

QVIDTVM Management first reported a position in BIO in Q3 2023 and has held it in 11 quarters since. The position peaked at $43.6M in Q1 2024. 391 funds tracked by Wall St. Rank hold BIO as of Q1 2026.

QVIDTVM Management held 83,732 shares of Bio-Rad Laboratories Class A worth $23.3M as of Q1 2026.
QVIDTVM Management bought 249 Bio-Rad Laboratories Class A shares in Q1 2026, an estimated $71.7K.
Bio-Rad Laboratories Class A made up 28.68% of QVIDTVM Management's portfolio in Q1 2026, its #1 holding.
QVIDTVM Management first reported a position in Bio-Rad Laboratories Class A in Q3 2023 and has held it in 11 quarters since.
QVIDTVM Management's Bio-Rad Laboratories Class A position peaked at $43.6M in Q1 2024.
391 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.

Based on QVIDTVM Management's 13F filing for Q1 2026, filed 15 May 2026.