BlackRock
SRZN icon

BlackRock’s Surrozen SRZN Stock Holding History

BlackRock’s Portfolio SRZN Stock Details SRZN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$811K Buy
27,851
+1,733
+7% +$41.5K ﹤0.01% 4402
2025
Q4 		$590K Buy
26,118
+12,375
+90% +$200K ﹤0.01% 4443
2025
Q3 		$177K Sell
13,743
-1,740
-11% -$18.2K ﹤0.01% 4704
2025
Q2 		$138K Buy
15,483
+7,163
+86% +$65.5K ﹤0.01% 4760
2025
Q1 		$97K Buy
8,320
+73
+0.9% +$849 ﹤0.01% 4776
2024
Q4 		$118K Buy
8,247
+36
+0.4% +$382 ﹤0.01% 4749
2024
Q3 		$98.4K Buy
8,211
+2,532
+45% +$22.4K ﹤0.01% 4672
2024
Q2 		$62.2K Buy
5,679
+3,267
+135% +$33.7K ﹤0.01% 4812
2024
Q1 		$37.9K Sell
2,412
-56,082
-96% -$628K ﹤0.01% 4928
2023
Q4 		$550K Sell
58,494
-12,744
-18% -$88.9K ﹤0.01% 4403
2023
Q3 		$524K Buy
71,238
+68,825
+2,852% +$654K ﹤0.01% 4413
2023
Q2 		$19.9K Sell
2,413
-3,349
-58% -$31.5K ﹤0.01% 5200
2023
Q1 		$52K Buy
5,762
+107
+2% +$1.3K ﹤0.01% 5106
2022
Q4 		$49.4K Buy
5,655
+13
+0.2% +$275 ﹤0.01% 5239
2022
Q3 		$171K Sell
5,642
-967
-15% -$40.8K ﹤0.01% 5014
2022
Q2 		$298K Buy
6,609
+4,196
+174% +$171K ﹤0.01% 4926
2022
Q1 		$109K Hold
2,413
– – ﹤0.01% 5267
2021
Q4 		$233K Buy
2,413
+82
+4% +$9.3K ﹤0.01% 5077
2021
Q3 		$248K Buy
+2,331
New +$328K ﹤0.01% 4931

Other funds holding SRZN

CG
Column Group San Francisco, California $101M AUM 290.34% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
BCM
Boxer Capital Management San Diego, California $762M AUM 1,125.36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VA
VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return
SC
Stempoint Capital New York $522M AUM 281.95% 1-Year Est. Return
SSC
Spruce Street Capital New York $416M AUM
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
5VM
5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $141M AUM

BlackRock's SRZN Position: Q1 2026 in Review

BlackRock increased its Surrozen (SRZN) stake by 6.6% in Q1 2026, buying an estimated $41.5K and bringing the position to 27,851 shares worth $811K. The position accounts for ﹤0.01% of the portfolio, ranked #4402.

BlackRock first reported a position in SRZN in Q3 2021 and has held it in 19 quarters since. 59 funds tracked by Wall St. Rank hold SRZN as of Q1 2026.

  • BlackRock held 27,851 shares of Surrozen worth $811K as of Q1 2026.
  • BlackRock bought 1,733 Surrozen shares in Q1 2026, an estimated $41.5K.
  • Surrozen made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #4402 holding.
  • BlackRock first reported a position in Surrozen in Q3 2021 and has held it in 19 quarters since.
  • 59 funds tracked by Wall St. Rank held Surrozen as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.