Form 13-F position report

ASSEMBLY BIOSCIENCES INC

Reported by MORGAN STANLEY

ASMB CUSIP 045396207 Manager CIK 0000895421

Reported 45,219 shares, up 12,164 (36.8%) from the prior quarter.

Reported value 35.5%; share count 36.8% vs. the prior quarter.

Added
% of reported 13F value < 0.01% This manager · Q2 2026
Shares 45,219 Quarter-end amount reported
Reported value $1,242,618 Fair value at quarter end
Consecutive quarters held 10 Through Q2 2026

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2024-03-31 32877
2024-06-30 35151
2024-09-30 40272
2024-12-31 47119
2025-03-31 21988
2025-06-30 38940
2025-09-30 90291
2025-12-31 766381
2026-03-31 917277
2026-06-30 1242618

Quarterly position history

How this manager's reported quarter-end position changed over time.

10 quarters
Quarterly reported position history for ASSEMBLY BIOSCIENCES INC held by MORGAN STANLEY.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Added 45,219 +12,164 (36.8%) < 0.01% $1,242,618 2026-08-13
Q1 2026 Added 33,055 +10,521 (46.7%) < 0.01% $917,277 2026-05-15
Q4 2025 Added 22,534 +19,007 (538.9%) < 0.01% $766,381 2026-02-13
Q3 2025 Added 3,527 +1,378 (64.1%) < 0.01% $90,291 2025-11-14
Q2 2025 Reduced 2,149 -151 (-6.6%) < 0.01% $38,940 2025-08-15
Q1 2025 Reduced 2,300 -686 (-23.0%) < 0.01% $21,988 2025-05-15
Q4 2024 Added 2,986 +326 (12.3%) < 0.01% $47,119 2025-02-14
Q3 2024 Added 2,660 +98 (3.8%) < 0.01% $40,272 2024-11-14
Q2 2024 Added 2,562 +90 (3.6%) < 0.01% $35,151 2024-08-14
Q1 2024 New 2,472 +2,472 (0.0%) < 0.01% $32,877 2024-05-15

Who else reported the position

108 managers reported ASSEMBLY BIOSCIENCES INC for Q2 2026.

Managers reporting ASSEMBLY BIOSCIENCES INC in Q2 2026.
Manager Activity Shares Change % of reported 13F Reported value Tenure
GILEAD SCIENCES INC Added 4,977,089 +471,698 8.3% $136,770,406 7 qtrs
FARALLON CAPITAL MANAGEMENT LLC Added 1,604,590 +377,000 0.2% $44,094,133 4 qtrs
Paradigm Biocapital Advisors LP Added 1,553,748 +888,497 0.8% $42,696,995 3 qtrs
COMMODORE CAPITAL LP Added 1,415,000 +415,000 2.32% $38,884,200 4 qtrs
RA CAPITAL MANAGEMENT L P Unchanged 1,020,410 0 0.24% $28,040,867 4 qtrs
Jupiter Topco LLC New 849,309 +849,309 < 0.01% $23,368,737 1 qtr
BlackRock Inc Added 766,819 +564,076 < 0.01% $21,072,187 8 qtrs
Parkman Healthcare Partners LLC Added 721,181 +309,954 2.03% $19,818,054 4 qtrs
VANGUARD CAPITAL MANAGEMENT LLC Added 558,942 +68,495 < 0.01% $15,359,726 2 qtrs
Point72 Asset Management L P Added 460,593 +116,488 0.01% $12,657,096 4 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2026
Filed
August 13, 2026
Filing type
13F-HR
Position type
COM NEW

Voting authority reported

Sole
43,286
Shared
0
None
1,933

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.