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Portolan Capital Management’s BioLife Solutions BLFS Stock Holding History

Portolan Capital 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
Q1 		– Sell
-137,299
Closed -$3.56M – 118
2024
Q4 		$3.56M Sell
137,299
-290,577
-68% -$7.23M 0.24% 105
2024
Q3 		$10.7M Sell
427,876
-576,352
-57% -$13.6M 0.78% 45
2024
Q2 		$21.5M Buy
1,004,228
+132,691
+15% +$2.58M 1.77% 14
2024
Q1 		$16.2M Buy
871,537
+349,631
+67% +$6.11M 1.23% 28
2023
Q4 		$8.48M Buy
+521,906
New +$6.66M 0.74% 45

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
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
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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

Portolan Capital Management's BLFS Position: Q1 2025 in Review

Portolan Capital Management sold out of BioLife Solutions (BLFS) in Q1 2025, closing a stake of 137,299 shares — an estimated $3.56M sold.

Portolan Capital Management first reported a position in BLFS in Q4 2023 and held it in 5 quarters. The position peaked at $21.5M in Q2 2024. 188 funds tracked by Wall St. Rank hold BLFS as of Q1 2025.

  • Portolan Capital Management reported no remaining BioLife Solutions position as of Q1 2025 after selling out during the quarter.
  • Portolan Capital Management sold 137,299 BioLife Solutions shares in Q1 2025, an estimated $3.56M.
  • Portolan Capital Management first reported a position in BioLife Solutions in Q4 2023 and held it in 5 quarters.
  • Portolan Capital Management's BioLife Solutions position peaked at $21.5M in Q2 2024.
  • 188 funds tracked by Wall St. Rank held BioLife Solutions as of Q1 2025.

Based on Portolan Capital Management's 13F filing for Q1 2025, filed 15 May 2025.