ABC Arbitrage
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ABC Arbitrage’s Bio-Rad Laboratories Class A BIO Stock Holding History

ABC Arbitrage’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
Q3 		$276K Buy
+732
New +$256K 0.03% 254
2026
Q1 		– Sell
-1,160
Closed -$351K – 380
2025
Q4 		$351K Buy
+1,160
New +$362K 0.03% 191

Other funds holding BIO

Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
Hosking Partners
Hosking Partners London, United Kingdom $2.81B AUM 67.07% 1-Year Est. Return
AL
Arnhold LLC New York $1.4B AUM 42.37% 1-Year Est. Return
AssetMark Inc
AssetMark Inc Concord, California $59.5B AUM 15.92% 1-Year Est. Return
Marathon Asset Management (UK)
Marathon Asset Management (UK) London, United Kingdom $2.2B AUM 25.78% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $87.8B AUM 20.94% 1-Year Est. Return
Amalgamated Bank
Amalgamated Bank New York $14.3B AUM 35.81% 1-Year Est. Return
SGH
Sivik Global Healthcare Greenwich, Connecticut $175M AUM 28.78% 1-Year Est. Return
Mutual of America Capital Management
Mutual of America Capital Management New York $10.1B AUM 33.74% 1-Year Est. Return

ABC Arbitrage's BIO Position: Q3 2026 in Review

ABC Arbitrage opened a new position in Bio-Rad Laboratories Class A (BIO) in Q3 2026: 732 shares worth $276K. The stake represents 0.03% of the portfolio and ranks #254 among its holdings. This is a return to the name: ABC Arbitrage previously reported a position in BIO as recently as Q4 2025.

ABC Arbitrage first reported a position in BIO in Q4 2025 and has held it in 2 quarters since. The position peaked at $351K in Q4 2025. 92 funds tracked by Wall St. Rank hold BIO as of Q3 2026.

  • ABC Arbitrage held 732 shares of Bio-Rad Laboratories Class A worth $276K as of Q3 2026.
  • Bio-Rad Laboratories Class A was a new ABC Arbitrage position in Q3 2026.
  • Bio-Rad Laboratories Class A made up 0.03% of ABC Arbitrage's portfolio in Q3 2026, its #254 holding.
  • ABC Arbitrage first reported a position in Bio-Rad Laboratories Class A in Q4 2025 and has held it in 2 quarters since.
  • ABC Arbitrage's Bio-Rad Laboratories Class A position peaked at $351K in Q4 2025.
  • 92 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q3 2026.

Based on ABC Arbitrage's 13F filing for Q3 2026, filed 23 Oct 2026.