William B. Walkup & Associates’s Bio-Rad Laboratories Class A BIO Stock Holding History

William B. Walkup & Associates’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	$544K	Sell	1,854 -48	-3%	-$13.6K	0.26%	64
2026 Q1	$463K	Buy	1,902 +48	+3%	+$13.8K	0.28%	62
2025 Q4	$562K	Sell	1,854 -48	-3%	-$15K	0.31%	62
2025 Q3	$533K	Hold	1,902	–	–	0.29%	58
2025 Q2	$459K	Hold	1,902	–	–	0.27%	62
2025 Q1	$463K	Hold	1,902	–	–	0.28%	61
2024 Q4	$625K	Hold	1,902	–	–	0.4%	57
2024 Q3	$636K	Hold	1,902	–	–	0.39%	58
2024 Q2	$519K	Buy	+1,902	New	+$553K	0.34%	62

Other funds holding BIO

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

BTW

Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

ETC

Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return

Arnhold LLC New York $1.43B AUM 59.3% 1-Year Est. Return

AssetMark Inc Concord, California $58.2B AUM 22.78% 1-Year Est. Return

Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

SGH

Sivik Global Healthcare Greenwich, Connecticut $132M AUM 24.1% 1-Year Est. Return

PFSRSONJ

Police & Firemen's Retirement System of New Jersey Trenton, New Jersey $13.3B AUM 45.46% 1-Year Est. Return

William B. Walkup & Associates's BIO Position: Q2 2026 in Review

William B. Walkup & Associates reduced its Bio-Rad Laboratories Class A (BIO) stake by 2.5% in Q2 2026, selling an estimated $13.6K and leaving 1,854 shares worth $544K. The position accounts for 0.26% of the portfolio, ranked #64.

William B. Walkup & Associates first reported a position in BIO in Q2 2024 and has held it in 9 quarters since. The position peaked at $636K in Q3 2024. 115 funds tracked by Wall St. Rank hold BIO as of Q2 2026.

William B. Walkup & Associates held 1,854 shares of Bio-Rad Laboratories Class A worth $544K as of Q2 2026.
William B. Walkup & Associates sold 48 Bio-Rad Laboratories Class A shares in Q2 2026, an estimated $13.6K.
Bio-Rad Laboratories Class A made up 0.26% of William B. Walkup & Associates's portfolio in Q2 2026, its #64 holding.
William B. Walkup & Associates first reported a position in Bio-Rad Laboratories Class A in Q2 2024 and has held it in 9 quarters since.
William B. Walkup & Associates's Bio-Rad Laboratories Class A position peaked at $636K in Q3 2024.
115 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q2 2026.

Based on William B. Walkup & Associates's 13F filing for Q2 2026, filed 30 Jul 2026.