How many institutions held ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 in Q1 2018?

105 institutional investors reported ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 for Q1 2018. Use the holders table for investor-level position and value details.

ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (ASMB)

Q: What does CUSIP 045396108 represent in this 13F holders report?

CUSIP 045396108 is the security identifier for ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 used to aggregate holder disclosures.

CUSIP: 045396108

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock, par value $0.001
Shares outstanding: 15,535,831
Total 13F shares: 16,057,360
Share change: +526,189
Total reported value: $789,004,865
Put/Call ratio: 42%
Price per share: $49.14
Number of holders: 105
Value change: +$27,408,726
Number of buys: 61
Number of sells: 46

Quarterly Holders Quick Answers

What is CUSIP 045396108?
CUSIP 045396108 identifies ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 045396108:

Q1 2024 Q4 2023 Q3 2023 Q2 2023 Q1 2023 Q4 2022 Q3 2022 Q2 2022

Top shareholders of ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
EcoR1 Capital, LLC	13F	Company	19%	2,943,164	$133,178,000	—	31 Dec 2017	13F
JENNISON ASSOCIATES LLC	13F	Company	14%	2,120,300	$95,944,000	—	31 Dec 2017	13F
ORBIMED ADVISORS LLC	13F	Company	7.7%	1,198,026	$54,211,000	—	31 Dec 2017	13F
ACUTA CAPITAL PARTNERS, LLC	13F	Company	7%	1,087,104	$49,191,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	6.9%	1,078,097	$48,784,000	—	31 Dec 2017	13F
Avoro Capital Advisors LLC	13F	Company	6.9%	1,068,534	$48,351,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	4.9%	759,839	$34,382,000	—	31 Dec 2017	13F
PERCEPTIVE ADVISORS LLC	13F	Company	3.5%	536,626	$24,282,000	—	31 Dec 2017	13F
Rock Springs Capital Management LP	13F	Company	2.9%	450,000	$20,363,000	—	31 Dec 2017	13F
BAKER BROS. ADVISORS LP	13F	Company	2.1%	322,727	$14,603,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	1.8%	275,234	$12,453,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	1.7%	266,434	$12,055,000	—	31 Dec 2017	13F
FARALLON CAPITAL MANAGEMENT LLC	13F	Company	1.6%	250,000	$11,313,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	1.4%	220,096	$9,959,000	—	31 Dec 2017	13F
EMERALD ADVISERS, LLC	13F	Company	1.2%	191,665	$8,673,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.2%	189,700	$8,584,000	—	31 Dec 2017	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1.1%	175,000	$7,919,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	167,425	$7,575,000	—	31 Dec 2017	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.99%	153,782	$6,959,000	—	31 Dec 2017	13F
Polar Capital LLP	13F	Company	0.97%	150,300	$6,801,000	—	31 Dec 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.86%	133,666	$6,048,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.85%	132,394	$5,991,000	—	31 Dec 2017	13F
Lyon Street Capital, LLC	13F	Company	0.81%	125,443	$5,676,000	—	31 Dec 2017	13F
AXA S.A.	13F	Company	0.76%	118,193	$5,348,000	—	31 Dec 2017	13F
ARMISTICE CAPITAL, LLC	13F	Company	0.72%	112,000	$5,068,000	—	31 Dec 2017	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.57%	88,821	$4,019,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.47%	72,331	$3,273,000	—	31 Dec 2017	13F
ZACKS INVESTMENT MANAGEMENT	13F	Company	0.46%	71,962	$3,256,000	—	31 Dec 2017	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.43%	66,802	$3,002,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	0.41%	63,821	$2,887,000	—	31 Dec 2017	13F
PDT Partners, LLC	13F	Company	0.32%	49,500	$2,240,000	—	31 Dec 2017	13F
HSBC HOLDINGS PLC	13F	Company	0.26%	40,397	$1,828,000	—	31 Dec 2017	13F
Informed Momentum Co LLC	13F	Company	0.24%	37,545	$1,699,000	—	31 Dec 2017	13F
A.R.T. Advisors, LLC	13F	Company	0.24%	36,925	$1,670,000	—	31 Dec 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.24%	36,735	$1,662,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.23%	35,503	$1,605,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.23%	35,403	$1,602,000	—	31 Dec 2017	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0.22%	34,286	$1,551,442	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.22%	34,174	$1,546,000	—	31 Dec 2017	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.22%	33,700	$1,525,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.2%	31,400	$1,421,000	—	31 Dec 2017	13F
ARTHUR M. COHEN & ASSOCIATES, LLC	13F	Company	0.25%	39,004	$1,323,000	—	31 Dec 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.19%	28,964	$1,311,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.18%	28,418	$1,286,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	0.18%	28,300	$1,281,000	—	31 Dec 2017	13F
Global IMC LLC	13F	Company	0.17%	27,032	$1,223,000	—	31 Dec 2017	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.17%	26,890	$1,217,000	—	31 Dec 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.16%	25,398	$1,149,000	—	31 Dec 2017	13F
FEDERATED HERMES, INC.	13F	Company	0.14%	22,395	$1,013,000	—	31 Dec 2017	13F
GROUP ONE TRADING LLC	13F	Company	0.13%	20,654	$935,000	—	31 Dec 2017	13F

Institutional Holders of ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (ASMB) as of Q1 2018

As of 31 Mar 2018, ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (ASMB) was held by 105 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 16,057,360 shares. The largest 10 holders included EcoR1 Capital, LLC, JENNISON ASSOCIATES LLC, ACUTA CAPITAL PARTNERS, LLC, venBio Select Advisor LLC, BlackRock Inc., VANGUARD GROUP INC, ORBIMED ADVISORS LLC, JANUS HENDERSON GROUP PLC, PERCEPTIVE ADVISORS LLC, and Rock Springs Capital Management LP. This page lists 105 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

Q1 2018 holders

105

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.