What does CUSIP 02155H101 represent in this 13F holders report?

CUSIP 02155H101 is the security identifier for ALT - ALTIMMUNE INC - COM used to aggregate holder disclosures.

How many institutions held ALT - ALTIMMUNE INC - COM in Q1 2018?

19 institutional investors reported ALT - ALTIMMUNE INC - COM for Q1 2018. Use the holders table for investor-level position and value details.

ALTIMMUNE INC - COM (ALT)

CUSIP: 02155H101

Q1 2018 13F Holders as of 31 Mar 2018

Security type / class: Equity / COM
Total 13F shares: 1,350,403
Total 13F value: $1,565,026
Share change: -845,124
SEC-reported price per share: $1.16
Number of holders: 19
Value change: -$1,662,837
Number of buys: 7
Number of sells: 16

Security key

02155H101

Report period

Q1 2018

Institutions

Top holders

ALT full security history Ownership snapshot Full 13F holder table Altimmune, Inc. SEC filings Altimmune, Inc. company facts

Broader feeds

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Ownership snapshot

Top reported holders of ALT - ALTIMMUNE INC - COM (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

RENAISSANCE TECHNOLOGIES LLC

Disclosed value leader

RENAISSANCE TECHNOLOGIES LLC

Comparable rows

0/15

Latest evidence

31 Dec 2017

13F Highest disclosed value: $1,251,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

RENAISSANCE TECHNOLOGIES LLC has the largest disclosed position value at $1.25M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RENAISSANCE TECHNOLOGIES LLC's linked filing trail.

Disclosed position value Top 5

RENAISSANCE TECHNOLOGIES LLC $1.25M

Hudson Bay Capital Management LP $813K

VANGUARD GROUP INC $544K

FIRST QUADRANT LLC/CA $202K

GEODE CAPITAL MANAGEMENT, LLC $198K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	— denominator unverified	$1,251,000 628,617 shares	—	31 Dec 2017
Hudson Bay Capital Management LP	13F Company 13F	— denominator unverified	$813,000 408,569 shares	—	31 Dec 2017
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$544,000 273,596 shares	—	31 Dec 2017
FIRST QUADRANT LLC/CA	13F Company 13F	— denominator unverified	$202,000 101,540 shares	—	31 Dec 2017
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	— denominator unverified	$198,000 99,537 shares	—	31 Dec 2017
DEUTSCHE BANK AG\	13F Company 13F	— denominator unverified	$173,000 87,149 shares	—	31 Dec 2017

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2018

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,350,403

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2018 vs Q1 2018 Across Filers

Q1 2018 holders

Holder diff

Investor	Q1 2018 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q1 2018 value	Q1 2018 value	Value change	Value Chg %