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

OP Asset 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 		$1.83M Buy
6,552
+3,894
+147% +$1.12M 0.02% 480
2025
Q4 		$805K Sell
2,658
-638
-19% -$199K 0.01% 610
2025
Q3 		$924K Buy
+3,296
New +$897K 0.01% 608
2025
Q2 		– Sell
-2,257
Closed -$550K – 805
2025
Q1 		$550K Buy
+2,257
New +$679K 0.01% 663

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

OP Asset Management's BIO Position: Q1 2026 in Review

OP Asset Management increased its Bio-Rad Laboratories Class A (BIO) stake by 147% in Q1 2026, buying an estimated $1.12M and bringing the position to 6,552 shares worth $1.83M. The position accounts for 0.02% of the portfolio, ranked #480.

OP Asset Management first reported a position in BIO in Q1 2025 and has held it in 4 quarters since. 391 funds tracked by Wall St. Rank hold BIO as of Q1 2026.

  • OP Asset Management held 6,552 shares of Bio-Rad Laboratories Class A worth $1.83M as of Q1 2026.
  • OP Asset Management bought 3,894 Bio-Rad Laboratories Class A shares in Q1 2026, an estimated $1.12M.
  • Bio-Rad Laboratories Class A made up 0.02% of OP Asset Management's portfolio in Q1 2026, its #480 holding.
  • OP Asset Management first reported a position in Bio-Rad Laboratories Class A in Q1 2025 and has held it in 4 quarters since.
  • 391 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.

Based on OP Asset Management's 13F filing for Q1 2026, filed 9 Apr 2026.