Ken Griffin
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Ken Griffin’s BioLife Solutions BLFS Stock Holding History

Ken Griffin’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
-2,500
Closed -$57.1K – 12618
2025
Q1 		$57.1K Sell
2,500
-2,200
-47% -$57.9K ﹤0.01% 12171
2024
Q4 		$122K Buy
4,700
+700
+18% +$17.4K ﹤0.01% 11157
2024
Q3 		$100K Buy
4,000
+3,200
+400% +$75.6K ﹤0.01% 11114
2024
Q2 		$17.1K Sell
800
-500
-38% -$9.7K ﹤0.01% 12763
2024
Q1 		$24.1K Sell
1,300
-600
-32% -$10.5K ﹤0.01% 12874
2023
Q4 		$30.9K Buy
1,900
+100
+6% +$1.28K ﹤0.01% 12242
2023
Q3 		$24.9K Sell
1,800
-500
-22% -$7.88K ﹤0.01% 12440
2023
Q2 		$50.8K Buy
2,300
+700
+44% +$14.7K ﹤0.01% 11781
2023
Q1 		$34.8K Sell
1,600
-2,400
-60% -$54K ﹤0.01% 12591
2022
Q4 		$72.8K Sell
4,000
-12,300
-75% -$254K ﹤0.01% 11652
2022
Q3 		$371K Sell
16,300
-2,100
-11% -$44.9K ﹤0.01% 9106
2022
Q2 		$254K Buy
18,400
+2,900
+19% +$42.6K ﹤0.01% 10183
2022
Q1 		$352K Sell
15,500
-19,600
-56% -$516K ﹤0.01% 10214
2021
Q4 		$1.31M Buy
35,100
+24,700
+238% +$1.06M ﹤0.01% 7238
2021
Q3 		$440K Sell
10,400
-3,200
-24% -$154K ﹤0.01% 10189
2021
Q2 		$605K Sell
13,600
-19,900
-59% -$701K ﹤0.01% 9596
2021
Q1 		$1.21M Buy
33,500
+21,400
+177% +$846K ﹤0.01% 7633
2020
Q4 		$483K Buy
+12,100
New +$413K ﹤0.01% 8204

Other funds holding BLFS

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CC
Casdin Capital New York $1.32B AUM 76.62% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Ken Griffin's BLFS Position: Q1 2026 in Review

Ken Griffin increased its BioLife Solutions (BLFS) stake by 151% in Q1 2026, buying an estimated $3.25M and bringing the position to 244,172 shares worth $4.66M. The position accounts for ﹤0.01% of the portfolio, ranked #4460.

Ken Griffin first reported a position in BLFS in Q1 2015 and has held it in 31 quarters since. The position peaked at $10.4M in Q1 2024. 187 funds tracked by Wall St. Rank hold BLFS as of Q1 2026.

  • Ken Griffin held 244,172 shares of BioLife Solutions worth $4.66M as of Q1 2026.
  • Ken Griffin bought 146,859 BioLife Solutions shares in Q1 2026, an estimated $3.25M.
  • BioLife Solutions made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4460 holding.
  • Ken Griffin first reported a position in BioLife Solutions in Q1 2015 and has held it in 31 quarters since.
  • Ken Griffin's BioLife Solutions position peaked at $10.4M in Q1 2024.
  • 187 funds tracked by Wall St. Rank held BioLife Solutions as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.