How many institutions held ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 in Q1 2017?

49 institutional investors reported ASMB - ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 for Q1 2017. 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 2017 13F Holders as of 31 Mar 2017

Type / Class: Equity / Common Stock, par value $0.001
Shares outstanding: 15,535,831
Total 13F shares: 11,915,179
Share change: +570,016
Total reported value: $301,467,000
Put/Call ratio: 27%
Price per share: $25.49
Number of holders: 49
Value change: +$19,729,899
Number of buys: 34
Number of sells: 9

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.

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Back to full security ownership history for the broader multi-quarter picture.
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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 2017
Previous quarter: Q4 2016

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	$35,759,000	—	31 Dec 2016	13F
JENNISON ASSOCIATES LLC	13F	Company	13%	2,077,830	$25,246,000	—	31 Dec 2016	13F
ORBIMED ADVISORS LLC	13F	Company	9%	1,397,100	$16,975,000	—	31 Dec 2016	13F
ACUTA CAPITAL PARTNERS, LLC	13F	Company	6.3%	976,599	$11,866,000	—	31 Dec 2016	13F
PERCEPTIVE ADVISORS LLC	13F	Company	4.6%	714,354	$8,679,000	—	31 Dec 2016	13F
QVT Financial LP	13F	Company	5.1%	791,586	$8,175,000	—	31 Dec 2016	13F
VANGUARD GROUP INC	13F	Company	2.9%	453,236	$5,507,000	—	31 Dec 2016	13F
Rock Springs Capital Management LP	13F	Company	2.5%	390,000	$4,739,000	—	31 Dec 2016	13F
PUTNAM INVESTMENTS LLC	13F	Company	2.3%	364,550	$4,429,000	—	31 Dec 2016	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	2.3%	359,905	$4,373,000	—	31 Dec 2016	13F
Avoro Capital Advisors LLC	13F	Company	1.7%	270,289	$3,284,000	—	31 Dec 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.7%	265,487	$3,226,000	—	31 Dec 2016	13F
BAKER BROS. ADVISORS LP	13F	Company	1.6%	250,000	$3,038,000	—	31 Dec 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.48%	74,038	$899,000	—	31 Dec 2016	13F
NORTHERN TRUST CORP	13F	Company	0.32%	50,153	$609,000	—	31 Dec 2016	13F
BlackRock Fund Advisors	13F	Company	0.31%	48,385	$588,000	—	31 Dec 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.3%	46,027	$559,000	—	31 Dec 2016	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.26%	40,850	$496,000	—	31 Dec 2016	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.26%	40,768	$495,000	—	31 Dec 2016	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.2%	31,419	$382,000	—	31 Dec 2016	13F
B. Riley Wealth Advisors, Inc.	13F	Company	0.09%	14,000	$171,000	—	31 Dec 2016	13F
Bank of New York Mellon Corp	13F	Company	0.08%	12,148	$148,000	—	31 Dec 2016	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.07%	11,240	$137,000	—	31 Dec 2016	13F
DEUTSCHE BANK AG\	13F	Company	0.06%	9,400	$114,000	—	31 Dec 2016	13F
MORGAN STANLEY	13F	Company	0.04%	6,380	$78,000	—	31 Dec 2016	13F
SIMPLEX TRADING, LLC	13F	Company	0.03%	4,885	$59,000	—	31 Dec 2016	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.03%	4,242	$52,000	—	31 Dec 2016	13F
FNY Managed Accounts LLC	13F	Company	0.02%	3,800	$46,170	—	31 Dec 2016	13F
Segantii Capital Management Ltd	13F	Company	0.02%	3,000	$35,000	—	31 Dec 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.02%	2,704	$33,000	—	31 Dec 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.02%	2,417	$29,000	—	31 Dec 2016	13F
GROUP ONE TRADING LLC	13F	Company	0.01%	1,700	$21,000	—	31 Dec 2016	13F
UBS Group AG	13F	Company	0.01%	1,054	$13,000	—	31 Dec 2016	13F
THOMPSON DAVIS & CO., INC.	13F	Company	0%	750	$9,000	—	31 Dec 2016	13F
FEDERATED HERMES, INC.	13F	Company	0%	624	$7,000	—	31 Dec 2016	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0%	72	$1,000	—	31 Dec 2016	13F

Institutional Holders of ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (ASMB) as of Q1 2017

As of 31 Mar 2017, ASSEMBLY BIOSCIENCES, INC. - Common Stock, par value $0.001 (ASMB) was held by 49 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 11,915,179 shares. The largest 10 holders included EcoR1 Capital, LLC, JENNISON ASSOCIATES LLC, ORBIMED ADVISORS LLC, ACUTA CAPITAL PARTNERS, LLC, venBio Select Advisor LLC, QVT Financial LP, PERCEPTIVE ADVISORS LLC, VANGUARD GROUP INC, Rock Springs Capital Management LP, and BlackRock Inc.. This page lists 49 institutional shareholders reporting positions in this security for the Q1 2017 filing period.

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

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

Q1 2017 holders

Holder diff

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 Value $	Q1 2017 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.