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Polianta Ltd’s Bio-Rad Laboratories Class A BIO Stock Holding History

Polianta Ltd’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
2025
Q3 		– Sell
-4,000
Closed -$965K – 78
2025
Q2 		$965K Hold
4,000
– – 0.42% 71
2025
Q1 		$974K Hold
4,000
– – 0.47% 68
2024
Q4 		$1.31M Buy
4,000
+700
+21% +$238K 0.63% 26
2024
Q3 		$1.1M Sell
3,300
-800
-20% -$254K 0.52% 59
2024
Q2 		$1.12M Buy
4,100
+800
+24% +$233K 0.57% 25
2024
Q1 		$1.14M Buy
3,300
+600
+22% +$197K 0.56% 50
2023
Q4 		$871K Hold
2,700
– – 0.51% 61
2023
Q3 		$967K Buy
+2,700
New +$1.04M 0.48% 63

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
VAM
Veritas Asset Management London, United Kingdom $5.56B AUM 3.46% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Polianta Ltd's BIO Position: Q3 2025 in Review

Polianta Ltd sold out of Bio-Rad Laboratories Class A (BIO) in Q3 2025, closing a stake of 4,000 shares — an estimated $965K sold.

Polianta Ltd first reported a position in BIO in Q3 2023 and held it in 8 quarters. The position peaked at $1.31M in Q4 2024. 397 funds tracked by Wall St. Rank hold BIO as of Q3 2025.

  • Polianta Ltd reported no remaining Bio-Rad Laboratories Class A position as of Q3 2025 after selling out during the quarter.
  • Polianta Ltd sold 4,000 Bio-Rad Laboratories Class A shares in Q3 2025, an estimated $965K.
  • Polianta Ltd first reported a position in Bio-Rad Laboratories Class A in Q3 2023 and held it in 8 quarters.
  • Polianta Ltd's Bio-Rad Laboratories Class A position peaked at $1.31M in Q4 2024.
  • 397 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q3 2025.

Based on Polianta Ltd's 13F filing for Q3 2025, filed 16 Oct 2025.