Caption Management’s Assembly Biosciences ASMB Stock Holding History

Caption Management’s Portfolio ASMB Stock Details ASMB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-349,800	Closed	-$8.95M	–	1562
2025 Q3	$8.95M	Buy	+349,800	New	+$7.67M	0.07%	308
2021 Q4	–	Sell	-18,750	Closed	-$783K	–	1575
2021 Q3	$783K	Sell	18,750 -2,083	-10%	-$87.3K	0.01%	1093
2021 Q2	$970K	Buy	+20,833	New	+$1.03M	0.01%	901
2019 Q4	–	Sell	-4,342	Closed	-$511K	–	816
2019 Q3	$511K	Hold	4,342	–	–	0.03%	483
2019 Q2	$703K	Buy	4,342 +1,842	+74%	+$350K	0.04%	429
2019 Q1	$590K	Buy	+2,500	New	+$633K	0.03%	430

Other funds holding ASMB

Gilead Sciences Foster City, California $2.12B AUM 143.53% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

PBA

Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

PHP

Parkman Healthcare Partners Stamford, Connecticut $970M AUM 79.46% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Blackstone Inc New York $25.6B AUM 26.83% 1-Year Est. Return

Caption Management's ASMB Position: Q1 2026 in Review

Caption Management reduced its Assembly Biosciences (ASMB) stake by 23% in Q1 2026, selling an estimated $706K and leaving 81,841 shares worth $2.27M. The position accounts for 0.01% of the portfolio, ranked #789.

Caption Management first reported a position in ASMB in Q2 2019 and has held it in 8 quarters since. The position peaked at $3.63M in Q4 2025. 75 funds tracked by Wall St. Rank hold ASMB as of Q1 2026.

Caption Management held 81,841 shares of Assembly Biosciences worth $2.27M as of Q1 2026.
Caption Management sold 24,750 Assembly Biosciences shares in Q1 2026, an estimated $706K.
Assembly Biosciences made up 0.01% of Caption Management's portfolio in Q1 2026, its #789 holding.
Caption Management first reported a position in Assembly Biosciences in Q2 2019 and has held it in 8 quarters since.
Caption Management's Assembly Biosciences position peaked at $3.63M in Q4 2025.
75 funds tracked by Wall St. Rank held Assembly Biosciences as of Q1 2026.

Based on Caption Management's 13F filing for Q1 2026, filed 15 May 2026.