Fred Alger Management’s Bio-Rad Laboratories Class A BIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
– Sell
-1,083
Closed -$261K – 455
2025
Q2
$261K Buy
1,083
+89
+9% +$21K ﹤0.01% 405
2025
Q1
$242K Buy
+994
New +$299K ﹤0.01% 405
2020
Q3
– Sell
-11,612
Closed -$5.24M – 468
2020
Q2
$5.24M Buy
11,612
+1,986
+21% +$876K 0.02% 224
2020
Q1
$3.37M Buy
9,626
+2,306
+32% +$848K 0.01% 237
2019
Q4
$2.71M Buy
7,320
+3,320
+83% +$1.17M 0.01% 275
2019
Q3
$1.33M Buy
+4,000
New +$1.3M 0.01% 313

Other funds holding BIO

Fred Alger Management's BIO Position: Q3 2025 in Review

Fred Alger Management sold out of Bio-Rad Laboratories Class A (BIO) in Q3 2025, closing a stake of 1,083 shares — an estimated $261K sold.

Fred Alger Management first reported a position in BIO in Q3 2019 and held it in 6 quarters. The position peaked at $5.24M in Q2 2020. 397 funds tracked by Wall St. Rank hold BIO as of Q3 2025.

  • Fred Alger Management reported no remaining Bio-Rad Laboratories Class A position as of Q3 2025 after selling out during the quarter.
  • Fred Alger Management sold 1,083 Bio-Rad Laboratories Class A shares in Q3 2025, an estimated $261K.
  • Fred Alger Management first reported a position in Bio-Rad Laboratories Class A in Q3 2019 and held it in 6 quarters.
  • Fred Alger Management's Bio-Rad Laboratories Class A position peaked at $5.24M in Q2 2020.
  • 397 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q3 2025.

Based on Fred Alger Management's 13F filing for Q3 2025, filed 14 Nov 2025.