WFA of San Diego’s Bio-Rad Laboratories Class A BIO Stock Holding History

WFA of San Diego’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	$256K	Hold	920	–	–	0.21%	78
2025 Q4	$279K	Hold	920	–	–	0.2%	79
2025 Q3	$258K	Hold	920	–	–	0.18%	85
2025 Q2	$222K	Buy	+920	New	+$217K	0.16%	91
2024 Q3	$341K	Sell	1,020 -100	-9%	-$31.8K	0.29%	73
2024 Q2	$306K	Buy	+1,120	New	+$326K	0.27%	69
2023 Q3	$448K	Hold	1,250	–	–	0.46%	46
2023 Q2	$474K	Sell	1,250 -50	-4%	-$20.3K	0.47%	46
2023 Q1	$623K	Sell	1,300 -120	-8%	-$56.2K	0.65%	35
2022 Q4	$597K	Hold	1,420	–	–	0.46%	48
2022 Q3	$592K	Hold	1,420	–	–	0.53%	46
2022 Q2	$703K	Hold	1,420	–	–	0.6%	38
2022 Q1	$800K	Sell	1,420 -75	-5%	-$45.2K	0.61%	39
2021 Q4	$1.13M	Sell	1,495 -44	-3%	-$32.9K	0.66%	38
2021 Q3	$1.15M	Hold	1,539	–	–	0.8%	30
2021 Q2	$992K	Sell	1,539 -131	-8%	-$79.7K	0.77%	32
2021 Q1	$954K	Sell	1,670 -130	-7%	-$77K	0.79%	31
2020 Q4	$582	Hold	1,800	–	–	0.15%	10
2020 Q3	$927K	Sell	1,800 -50	-3%	-$25.3K	0.88%	31
2020 Q2	$835K	Buy	+1,850	New	+$816K	0.2%	112

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

WFA of San Diego's BIO Position: Q1 2026 in Review

WFA of San Diego held its Bio-Rad Laboratories Class A (BIO) position steady in Q1 2026 at 920 shares worth $256K. The position accounts for 0.21% of the portfolio, ranked #78.

WFA of San Diego first reported a position in BIO in Q2 2020 and has held it in 20 quarters since. The position peaked at $1.15M in Q3 2021. 392 funds tracked by Wall St. Rank hold BIO as of Q1 2026.

WFA of San Diego held 920 shares of Bio-Rad Laboratories Class A worth $256K as of Q1 2026.
WFA of San Diego left its Bio-Rad Laboratories Class A share count unchanged in Q1 2026.
Bio-Rad Laboratories Class A made up 0.21% of WFA of San Diego's portfolio in Q1 2026, its #78 holding.
WFA of San Diego first reported a position in Bio-Rad Laboratories Class A in Q2 2020 and has held it in 20 quarters since.
WFA of San Diego's Bio-Rad Laboratories Class A position peaked at $1.15M in Q3 2021.
392 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.

Based on WFA of San Diego's 13F filing for Q1 2026, filed 11 May 2026.