William Blair Investment Management
BLFS icon

William Blair Investment Management’s BioLife Solutions BLFS Stock Holding History

William Blair Investment Management’s Portfolio BLFS Stock Details BLFS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-946,623
Closed -$21.6M – 423
2025
Q1 		$21.6M Buy
946,623
+36,275
+4% +$955K 0.06% 280
2024
Q4 		$23.6M Sell
910,348
-239,100
-21% -$5.95M 0.06% 293
2024
Q3 		$28.8M Sell
1,149,448
-422,122
-27% -$9.97M 0.07% 245
2024
Q2 		$33.7M Sell
1,571,570
-155,142
-9% -$3.01M 0.09% 195
2024
Q1 		$32M Buy
1,726,712
+13,785
+0.8% +$241K 0.08% 231
2023
Q4 		$27.8M Buy
1,712,927
+1,036,937
+153% +$13.2M 0.08% 241
2023
Q3 		$9.34M Buy
+675,990
New +$10.7M 0.03% 319

Other funds holding BLFS

CC
Casdin Capital New York $1.32B AUM 76.62% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Rockefeller Capital Management
Rockefeller Capital Management New York $56.4B AUM 24.96% 1-Year Est. Return

William Blair Investment Management's BLFS Position: Q2 2025 in Review

William Blair Investment Management sold out of BioLife Solutions (BLFS) in Q2 2025, closing a stake of 946,623 shares — an estimated $21.6M sold.

William Blair Investment Management first reported a position in BLFS in Q3 2023 and held it in 7 quarters. The position peaked at $33.7M in Q2 2024. 194 funds tracked by Wall St. Rank hold BLFS as of Q2 2025.

  • William Blair Investment Management reported no remaining BioLife Solutions position as of Q2 2025 after selling out during the quarter.
  • William Blair Investment Management sold 946,623 BioLife Solutions shares in Q2 2025, an estimated $21.6M.
  • William Blair Investment Management first reported a position in BioLife Solutions in Q3 2023 and held it in 7 quarters.
  • William Blair Investment Management's BioLife Solutions position peaked at $33.7M in Q2 2024.
  • 194 funds tracked by Wall St. Rank held BioLife Solutions as of Q2 2025.

Based on William Blair Investment Management's 13F filing for Q2 2025, filed 29 Jul 2025.