State of Wisconsin Investment Board
BLFS icon

State of Wisconsin Investment Board’s BioLife Solutions BLFS Stock Holding History

State of Wisconsin Investment Board’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
2026
Q1 		$2.26M Buy
118,645
+20,432
+21% +$452K 0.01% 1361
2025
Q4 		$2.37M Sell
98,213
-2,675
-3% -$70K 0.01% 1347
2025
Q3 		$2.57M Buy
100,888
+200
+0.2% +$4.74K 0.01% 1268
2025
Q2 		$2.17M Buy
100,688
+15,324
+18% +$345K 0.01% 1266
2025
Q1 		$1.95M Buy
85,364
+3,614
+4% +$95.2K 0.01% 1255
2024
Q4 		$2.12M Sell
81,750
-337
-0.4% -$8.39K 0.01% 1265
2024
Q3 		$2.06M Buy
82,087
+11,300
+16% +$267K 0.01% 1295
2024
Q2 		$1.52M Buy
70,787
+60,090
+562% +$1.17M ﹤0.01% 1411
2024
Q1 		$198K Sell
10,697
-33,502
-76% -$586K ﹤0.01% 2069
2023
Q4 		$718K Sell
44,199
-861
-2% -$11K ﹤0.01% 1504
2023
Q3 		$622K Buy
+45,060
New +$710K ﹤0.01% 1618
2023
Q2 		– Sell
-12,440
Closed -$271K – 2364
2023
Q1 		$271K Sell
12,440
-31,244
-72% -$703K ﹤0.01% 2141
2022
Q4 		$795K Buy
43,684
+6,252
+17% +$129K ﹤0.01% 1628
2022
Q3 		$852K Buy
+37,432
New +$801K ﹤0.01% 1623
2022
Q1 		– Sell
-8,400
Closed -$313K – 2298
2021
Q4 		$313K Buy
8,400
+1,900
+29% +$81.5K ﹤0.01% 1924
2021
Q3 		$275K Sell
6,500
-1,900
-23% -$91.5K ﹤0.01% 1993
2021
Q2 		$374K Buy
8,400
+400
+5% +$14.1K ﹤0.01% 1782
2021
Q1 		$288K Buy
+8,000
New +$316K ﹤0.01% 1908

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 $5.72T AUM 30.48% 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 $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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 $481B AUM 30.42% 1-Year Est. Return

State of Wisconsin Investment Board's BLFS Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its BioLife Solutions (BLFS) stake by 21% in Q1 2026, buying an estimated $452K and bringing the position to 118,645 shares worth $2.26M. The position accounts for 0.01% of the portfolio, ranked #1361.

State of Wisconsin Investment Board first reported a position in BLFS in Q1 2021 and has held it in 18 quarters since. The position peaked at $2.57M in Q3 2025. 187 funds tracked by Wall St. Rank hold BLFS as of Q1 2026.

  • State of Wisconsin Investment Board held 118,645 shares of BioLife Solutions worth $2.26M as of Q1 2026.
  • State of Wisconsin Investment Board bought 20,432 BioLife Solutions shares in Q1 2026, an estimated $452K.
  • BioLife Solutions made up 0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1361 holding.
  • State of Wisconsin Investment Board first reported a position in BioLife Solutions in Q1 2021 and has held it in 18 quarters since.
  • State of Wisconsin Investment Board's BioLife Solutions position peaked at $2.57M in Q3 2025.
  • 187 funds tracked by Wall St. Rank held BioLife Solutions as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.