Blackstone Inc
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Blackstone Inc’s Assembly Biosciences ASMB Stock Holding History

Blackstone Inc’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
2026
Q2 		– Sell
-296,855
Closed -$8.24M – 531
2026
Q1 		$8.24M Sell
296,855
-21,899
-7% -$625K 0.03% 92
2025
Q4 		$10.8M Sell
318,754
-129,035
-29% -$4.16M 0.04% 94
2025
Q3 		$11.5M Buy
+447,789
New +$9.82M 0.05% 92

Other funds holding ASMB

GS
Gilead Sciences Foster City, California $1.65B AUM 166.99% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PHP
Parkman Healthcare Partners Stamford, Connecticut $977M AUM 110.37% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Blackstone Inc's ASMB Position: Q2 2026 in Review

Blackstone Inc sold out of Assembly Biosciences (ASMB) in Q2 2026, closing a stake of 296,855 shares — an estimated $8.24M sold.

Blackstone Inc first reported a position in ASMB in Q3 2025 and held it in 3 quarters. The position peaked at $11.5M in Q3 2025. 93 funds tracked by Wall St. Rank hold ASMB as of Q2 2026.

  • Blackstone Inc reported no remaining Assembly Biosciences position as of Q2 2026 after selling out during the quarter.
  • Blackstone Inc sold 296,855 Assembly Biosciences shares in Q2 2026, an estimated $8.24M.
  • Blackstone Inc first reported a position in Assembly Biosciences in Q3 2025 and held it in 3 quarters.
  • Blackstone Inc's Assembly Biosciences position peaked at $11.5M in Q3 2025.
  • 93 funds tracked by Wall St. Rank held Assembly Biosciences as of Q2 2026.

Based on Blackstone Inc's 13F filing for Q2 2026, filed 14 Aug 2026.