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

CUSIP 02155H200 is the security identifier for ALT - ALTIMMUNE INC - COMMON STOCK used to aggregate holder disclosures.

How many institutions held ALT - ALTIMMUNE INC - COMMON STOCK in Q1 2023?

129 institutional investors reported ALT - ALTIMMUNE INC - COMMON STOCK for Q1 2023. Use the holders table for investor-level position and value details.

ALTIMMUNE INC - COMMON STOCK (ALT)

CUSIP: 02155H200

Q1 2023 13F Holders as of 31 Mar 2023

Type / Class: Equity / COMMON STOCK
Shares outstanding: 129,919,091
Total 13F shares: 40,146,839
Share change: -3,674,197
Total reported value: $169,418,214
Put/Call ratio: 56%
Price per share: $4.22
Number of holders: 129
Value change: -$115,027,226
Number of buys: 83
Number of sells: 59

Quarterly Holders Quick Answers

What is CUSIP 02155H200?
CUSIP 02155H200 identifies ALT - ALTIMMUNE INC - COMMON STOCK in SEC institutional holdings data.

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Explore More Reporting Periods

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

Newer quarter: Q2 2023
Previous quarter: Q4 2022

Recent filing periods for CUSIP 02155H200:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ALT - ALTIMMUNE INC - COMMON STOCK (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
Arete Wealth Advisors, LLC	13F	Company	0.02%	24,005	$264,287,850	—	31 Dec 2022	13F
STATE STREET CORP	13F	Company	4.6%	5,914,588	$97,294,973	—	31 Dec 2022	13F
Avidity Partners Management LP	13F	Company	3.1%	3,990,000	$65,635,500	—	31 Dec 2022	13F
JANUS HENDERSON GROUP PLC	13F	Company	3%	3,833,579	$63,054,332	—	31 Dec 2022	13F
Nuveen Asset Management, LLC	13F	Company	2.5%	3,265,963	$53,725,000	—	31 Dec 2022	13F
TANG CAPITAL MANAGEMENT LLC	13F	Company	2.1%	2,700,450	$44,422,403	—	31 Dec 2022	13F
Cormorant Asset Management, LP	13F	Company	2%	2,600,000	$42,770,000	—	31 Dec 2022	13F
VANGUARD GROUP INC	13F	Company	1.9%	2,532,420	$41,658,309	—	31 Dec 2022	13F
BlackRock Finance, Inc.	13F	Company	1%	1,354,033	$22,273,844	—	31 Dec 2022	13F
Woodline Partners LP	13F	Company	1%	1,304,024	$21,451,195	—	31 Dec 2022	13F
MARSHALL WACE, LLP	13F	Company	0.95%	1,239,794	$20,394,614	—	31 Dec 2022	13F
CITADEL ADVISORS LLC	13F	Company	0.89%	1,159,461	$19,073,133	—	31 Dec 2022	13F
PICTET ASSET MANAGEMENT SA	13F	Company	0.83%	1,078,372	$17,739,000	—	31 Dec 2022	13F
JENNISON ASSOCIATES LLC	13F	Company	0.71%	928,813	$15,278,972	—	31 Dec 2022	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.71%	925,300	$15,221,185	—	31 Dec 2022	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.6%	776,297	$12,770,086	—	31 Dec 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.59%	767,834	$12,630,870	—	31 Dec 2022	13F
Laurion Capital Management LP	13F	Company	0.58%	751,300	$12,358,885	—	31 Dec 2022	13F
ARDSLEY ADVISORY PARTNERS LP	13F	Company	0.54%	704,750	$11,593,138	—	31 Dec 2022	13F
BAKER BROS. ADVISORS LP	13F	Company	0.5%	653,562	$10,751,095	—	31 Dec 2022	13F
Rafferty Asset Management, LLC	13F	Company	0.46%	598,887	$9,851,691	—	31 Dec 2022	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.41%	529,636	$8,712,512	—	31 Dec 2022	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.39%	508,000	$8,357,000	—	31 Dec 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.34%	438,882	$7,219,000	—	31 Dec 2022	13F
MORGAN STANLEY	13F	Company	0.33%	434,584	$7,148,908	—	31 Dec 2022	13F
Invesco Ltd.	13F	Company	0.33%	425,849	$7,005,217	—	31 Dec 2022	13F
UBS Group AG	13F	Company	0.29%	383,069	$6,301,485	—	31 Dec 2022	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.29%	380,298	$6,255,902	—	31 Dec 2022	13F
BARCLAYS PLC	13F	Company	0.28%	361,241	$5,942,414	—	31 Dec 2022	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.27%	352,073	$5,791,601	—	31 Dec 2022	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.26%	342,500	$5,634,125	—	31 Dec 2022	13F
Tri Locum Partners LP	13F	Company	0.25%	325,694	$5,358,000	—	31 Dec 2022	13F
CITIGROUP INC	13F	Company	0.22%	291,805	$4,800,192	—	31 Dec 2022	13F
Ikarian Capital, LLC	13F	Company	0.21%	273,432	$4,497,956	—	31 Dec 2022	13F
JANE STREET GROUP, LLC	13F	Company	0.19%	245,143	$4,032,602	—	31 Dec 2022	13F
Beirne Wealth Consulting Services, LLC	13F	Company	0.18%	237,020	$3,898,979	—	31 Dec 2022	13F
SIMPLEX TRADING, LLC	13F	Company	0.17%	226,629	$3,728,000	—	31 Dec 2022	13F
Rock Springs Capital Management LP	13F	Company	0.17%	223,255	$3,672,545	—	31 Dec 2022	13F
MACQUARIE GROUP LTD	13F	Company	0.16%	208,685	$3,433,000	—	31 Dec 2022	13F
S.c.a. Candriam	13F	Individual	0.15%	200,000	$3,289,846	—	31 Dec 2022	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.14%	179,748	$2,956,855	—	31 Dec 2022	13F
JPMORGAN CHASE & CO	13F	Company	0.14%	179,098	$2,946,000	—	31 Dec 2022	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.14%	177,865	$2,925,000	—	31 Dec 2022	13F
GROUP ONE TRADING LLC	13F	Company	0.14%	175,742	$2,890,956	—	31 Dec 2022	13F
Knoll Capital Management, LLC	13F	Company	0.13%	173,864	$2,860,063	—	31 Dec 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.11%	144,738	$2,381,000	—	31 Dec 2022	13F
NORTHERN TRUST CORP	13F	Company	0.11%	139,918	$2,301,651	—	31 Dec 2022	13F
ETF MANAGERS GROUP, LLC	13F	Company	0.11%	138,196	$2,273,324	—	31 Dec 2022	13F
PLATINUM INVESTMENT MANAGEMENT LTD	13F	Company	0.09%	118,730	$1,953,109	—	31 Dec 2022	13F
Swiss National Bank	13F	Company	0.09%	118,300	$1,946,035	—	31 Dec 2022	13F

Institutional Holders of ALTIMMUNE INC - COMMON STOCK (ALT) as of Q1 2023

As of 31 Mar 2023, ALTIMMUNE INC - COMMON STOCK (ALT) was held by 129 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 40,146,839 shares. The largest 10 holders included STATE STREET CORP, Laurion Capital Management LP, TANG CAPITAL MANAGEMENT LLC, VANGUARD GROUP INC, CITADEL ADVISORS LLC, MARSHALL WACE, LLP, ARDSLEY ADVISORY PARTNERS LP, BlackRock Inc., Avidity Partners Management LP, and MILLENNIUM MANAGEMENT LLC. This page lists 129 institutional shareholders reporting positions in this security for the Q1 2023 filing period.

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

Compare Q1 2023 vs Q4 2022 Across Filers

Q4 2022 holders

122

Q1 2023 holders

129

Holder diff

Investor	Q4 2022 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q4 2022 Value $	Q1 2023 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.