Ken Griffin’s Surrozen SRZN Stock Holding History

Ken Griffin’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	$1.03M	Buy	35,469 +20,729	+141%	+$497K	﹤0.01%	7589
2025 Q4	$333K	Buy	14,740 +865	+6%	+$14K	﹤0.01%	9911
2025 Q3	$179K	Buy	13,875 +3,424	+33%	+$35.9K	﹤0.01%	11379
2025 Q2	$93.4K	Buy	+10,451	New	+$95.5K	﹤0.01%	11397
2024 Q4	–	Sell	-10,930	Closed	-$129K	–	15351
2024 Q3	$129K	Buy	+10,930	New	+$96.5K	﹤0.01%	10776
2022 Q1	–	Sell	-763	Closed	-$74K	–	14528
2021 Q4	$74K	Buy	+763	New	+$86.5K	﹤0.01%	12995

Other funds holding SRZN

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 New York $240B AUM 35.51% 1-Year Est. Return

VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return

Stempoint Capital New York $522M AUM 281.95% 1-Year Est. Return

SSC

Spruce Street Capital New York $416M AUM

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

Ken Griffin's SRZN Position: Q1 2026 in Review

Ken Griffin increased its Surrozen (SRZN) stake by 141% in Q1 2026, buying an estimated $497K and bringing the position to 35,469 shares worth $1.03M. The position accounts for ﹤0.01% of the portfolio, ranked #7589.

Ken Griffin first reported a position in SRZN in Q4 2021 and has held it in 6 quarters since. 59 funds tracked by Wall St. Rank hold SRZN as of Q1 2026.

Ken Griffin held 35,469 shares of Surrozen worth $1.03M as of Q1 2026.
Ken Griffin bought 20,729 Surrozen shares in Q1 2026, an estimated $497K.
Surrozen made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7589 holding.
Ken Griffin first reported a position in Surrozen in Q4 2021 and has held it in 6 quarters since.
59 funds tracked by Wall St. Rank held Surrozen as of Q1 2026.

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