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Wolff Wiese Magana’s Bio-Rad Laboratories Class A BIO Stock Holding History

Wolff Wiese Magana’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 		$6.75K Hold
23
– – ﹤0.01% 575
2026
Q1 		$6.41K Hold
23
– – ﹤0.01% 549
2025
Q4 		$6.97K Hold
23
– – ﹤0.01% 514
2025
Q3 		$6.45K Hold
23
– – ﹤0.01% 545
2025
Q2 		$5.55K Sell
23
-41
-64% -$9.69K ﹤0.01% 542
2025
Q1 		$15.6K Hold
64
– – 0.01% 339
2024
Q4 		$21K Hold
64
– – 0.01% 291
2024
Q3 		$21.4K Buy
+64
New +$20.3K 0.01% 292

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Wolff Wiese Magana's BIO Position: Q2 2026 in Review

Wolff Wiese Magana held its Bio-Rad Laboratories Class A (BIO) position steady in Q2 2026 at 23 shares worth $6.75K. The position accounts for ﹤0.01% of the portfolio, ranked #575.

Wolff Wiese Magana first reported a position in BIO in Q3 2024 and has held it in 8 quarters since. The position peaked at $21.4K in Q3 2024. 400 funds tracked by Wall St. Rank hold BIO as of Q2 2026.

  • Wolff Wiese Magana held 23 shares of Bio-Rad Laboratories Class A worth $6.75K as of Q2 2026.
  • Wolff Wiese Magana left its Bio-Rad Laboratories Class A share count unchanged in Q2 2026.
  • Bio-Rad Laboratories Class A made up ﹤0.01% of Wolff Wiese Magana's portfolio in Q2 2026, its #575 holding.
  • Wolff Wiese Magana first reported a position in Bio-Rad Laboratories Class A in Q3 2024 and has held it in 8 quarters since.
  • Wolff Wiese Magana's Bio-Rad Laboratories Class A position peaked at $21.4K in Q3 2024.
  • 400 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q2 2026.

Based on Wolff Wiese Magana's 13F filing for Q2 2026, filed 13 Jul 2026.