What does CUSIP 02155H200 represent in this 13F holders report?

CUSIP 02155H200 is the security identifier for ALT - Altimmune, Inc. - Common stock, par value $0.0001 per share used to aggregate holder disclosures.

How many institutions held ALT - Altimmune, Inc. - Common stock, par value $0.0001 per share in Q1 2023?

129 institutional investors reported ALT - Altimmune, Inc. - Common stock, par value $0.0001 per share for Q1 2023. Use the holders table for investor-level position and value details.

Altimmune, Inc. - Common stock, par value $0.0001 per share (ALT)

CUSIP: 02155H200

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common stock, par value $0.0001 per share
Total 13F shares: 40,146,839
Total 13F value: $169,418,214
Share change: -3,674,197
Put/Call ratio: 56%
SEC-reported price per share: $4.22
Number of holders: 129
Value change: -$115,027,226
Number of buys: 83
Number of sells: 59
Shares outstanding: 129,919,091

Security key

02155H200

Report period

Q1 2023

Institutions

129

Top holders

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

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of ALT - Altimmune, Inc. - Common stock, par value $0.0001 per share (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

STATE STREET CORP

Disclosed value leader

STATE STREET CORP

Comparable rows

15/15

Latest evidence

31 Dec 2022

13F Lead comparable stake: 4.6% Showing 1-6 of 15 holder rows.

Quick read

STATE STREET CORP leads the comparable SEC ownership view at 4.6%.

15 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 STATE STREET CORP's linked filing trail.

Comparable ownership Top 5

STATE STREET CORP 4.6%

Avidity Partners Management LP 3.1%

Janus Henderson Group Ltd. 3%

Nuveen Asset Management, LLC 2.5%

TANG CAPITAL MANAGEMENT LLC 2.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
STATE STREET CORP	13F Company 13F	4.6%	$97,294,973 5,914,588 shares	—	31 Dec 2022
Avidity Partners Management LP	13F Company 13F	3.1%	$65,635,500 3,990,000 shares	—	31 Dec 2022
Janus Henderson Group Ltd.	13F Company 13F	3%	$63,054,332 3,833,579 shares	—	31 Dec 2022
Nuveen Asset Management, LLC	13F Company 13F	2.5%	$53,725,000 3,265,963 shares	—	31 Dec 2022
TANG CAPITAL MANAGEMENT LLC	13F Company 13F	2.1%	$44,422,403 2,700,450 shares	—	31 Dec 2022
Cormorant Asset Management, LP	13F Company 13F	2%	$42,770,000 2,600,000 shares	—	31 Dec 2022

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 2023

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

Institutions

129

40,146,839

Rows available

129

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 2023 vs Q1 2023 Across Filers

Q1 2023 holders

129

Q1 2023 holders

129

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %