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 Q4 2022?

122 institutional investors reported ALT - Altimmune, Inc. - Common Stock, par value $0.0001 per share for Q4 2022. Use the holders table for investor-level position and value details.

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

CUSIP: 02155H200

Q4 2022 13F Holders as of 31 Dec 2022

Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 200,000,000
Total 13F shares: 46,782,400
Share change: +755,142
Total reported value: $769,520,216
Put/Call ratio: 10%
Price per share: $16.45
Number of holders: 122
Value change: +$29,466,534
Number of buys: 70
Number of sells: 63

Quarterly Holders Quick Answers

What is CUSIP 02155H200?
CUSIP 02155H200 identifies ALT - Altimmune, Inc. - Common Stock, par value $0.0001 per share 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: Q1 2023
Previous quarter: Q3 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, par value $0.0001 per share (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
JANUS HENDERSON GROUP PLC	13F	Company	2.1%	4,121,814	$52,620,000	—	30 Sep 2022	13F
Cormorant Asset Management, LP	13F	Company	1.7%	3,442,863	$43,965,000	—	30 Sep 2022	13F
STATE STREET CORP	13F	Company	1.7%	3,398,856	$43,403,000	—	30 Sep 2022	13F
Nuveen Asset Management, LLC	13F	Company	1.6%	3,213,900	$41,042,000	—	30 Sep 2022	13F
Avidity Partners Management LP	13F	Company	1.3%	2,684,000	$34,275,000	—	30 Sep 2022	13F
TANG CAPITAL MANAGEMENT LLC	13F	Company	1.3%	2,600,450	$33,208,000	—	30 Sep 2022	13F
VANGUARD GROUP INC	13F	Company	1%	2,027,042	$25,885,000	—	30 Sep 2022	13F
BAKER BROS. ADVISORS LP	13F	Company	0.88%	1,769,681	$22,599,000	—	30 Sep 2022	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.61%	1,222,586	$15,612,000	—	30 Sep 2022	13F
BlackRock Finance, Inc.	13F	Company	0.61%	1,219,300	$15,571,000	—	30 Sep 2022	13F
MARSHALL WACE, LLP	13F	Company	0.55%	1,098,914	$14,034,000	—	30 Sep 2022	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.52%	1,037,662	$13,251,000	—	30 Sep 2022	13F
Woodline Partners LP	13F	Company	0.51%	1,018,091	$13,001,000	—	30 Sep 2022	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.5%	998,200	$12,747,000	—	30 Sep 2022	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.49%	977,647	$12,485,000	—	30 Sep 2022	13F
ARDSLEY ADVISORY PARTNERS LP	13F	Company	0.46%	927,950	$11,850,000	—	30 Sep 2022	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.43%	868,800	$11,095,000	—	30 Sep 2022	13F
Laurion Capital Management LP	13F	Company	0.38%	750,105	$9,579,000	—	30 Sep 2022	13F
Logos Global Management LP	13F	Company	0.38%	750,000	$9,578,000	—	30 Sep 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.37%	735,744	$9,395,000	—	30 Sep 2022	13F
JPMORGAN CHASE & CO	13F	Company	0.33%	651,028	$8,314,000	—	30 Sep 2022	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.3%	600,298	$7,666,000	—	30 Sep 2022	13F
MORGAN STANLEY	13F	Company	0.3%	591,910	$7,559,000	—	30 Sep 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.25%	505,727	$6,458,000	—	30 Sep 2022	13F
Boxer Capital, LLC	13F	Company	0.25%	500,000	$6,385,000	—	30 Sep 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.24%	476,067	$6,079,000	—	30 Sep 2022	13F
Ikarian Capital, LLC	13F	Company	0.24%	472,054	$6,028,000	—	30 Sep 2022	13F
Ghost Tree Capital, LLC	13F	Company	0.22%	435,000	$5,555,000	—	30 Sep 2022	13F
VR Adviser, LLC	13F	Company	0.18%	369,306	$4,716,000	—	30 Sep 2022	13F
Rafferty Asset Management, LLC	13F	Company	0.15%	300,331	$3,835,000	—	30 Sep 2022	13F
Beirne Wealth Consulting Services, LLC	13F	Company	0.14%	282,820	$3,612,000	—	30 Sep 2022	13F
CITIGROUP INC	13F	Company	0.14%	272,106	$3,475,000	—	30 Sep 2022	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.13%	269,100	$3,436,000	—	30 Sep 2022	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.13%	262,204	$3,348,000	—	30 Sep 2022	13F
JANE STREET GROUP, LLC	13F	Company	0.12%	230,563	$2,944,000	—	30 Sep 2022	13F
DCF Advisers, LLC	13F	Company	0.11%	229,000	$2,924,000	—	30 Sep 2022	13F
Rock Springs Capital Management LP	13F	Company	0.11%	223,255	$2,851,000	—	30 Sep 2022	13F
Informed Momentum Co LLC	13F	Company	0.1%	205,167	$2,620,000	—	30 Sep 2022	13F
S.c.a. Candriam	13F	Individual	0.1%	200,000	$2,554,000	—	30 Sep 2022	13F
BARCLAYS PLC	13F	Company	0.09%	187,964	$2,401,000	—	30 Sep 2022	13F
JENNISON ASSOCIATES LLC	13F	Company	0.09%	181,530	$2,318,000	—	30 Sep 2022	13F
Granite Point Capital Management, L.P.	13F	Company	0.09%	180,000	$2,299,000	—	30 Sep 2022	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.09%	175,287	$2,238,000	—	30 Sep 2022	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.09%	174,373	$2,227,000	—	30 Sep 2022	13F
Knoll Capital Management, LLC	13F	Company	0.09%	173,864	$2,220,000	—	30 Sep 2022	13F
Cubist Systematic Strategies, LLC	13F	Company	0.09%	170,947	$2,183,000	—	30 Sep 2022	13F
Tri Locum Partners LP	13F	Company	0.08%	157,303	$2,009,000	—	30 Sep 2022	13F
SIMPLEX TRADING, LLC	13F	Company	0.07%	137,743	$1,758,000	—	30 Sep 2022	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.07%	134,614	$1,720,000	—	30 Sep 2022	13F
CITADEL ADVISORS LLC	13F	Company	0.06%	129,251	$1,651,000	—	30 Sep 2022	13F

Institutional Holders of Altimmune, Inc. - Common Stock, par value $0.0001 per share (ALT) as of Q4 2022

As of 31 Dec 2022, Altimmune, Inc. - Common Stock, par value $0.0001 per share (ALT) was held by 122 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 46,782,400 shares. The largest 10 holders included STATE STREET CORP, Avidity Partners Management LP, JANUS HENDERSON GROUP PLC, Nuveen Asset Management, LLC, TANG CAPITAL MANAGEMENT LLC, Cormorant Asset Management, LP, VANGUARD GROUP INC, BlackRock Inc., Woodline Partners LP, and MARSHALL WACE, LLP. This page lists 122 institutional shareholders reporting positions in this security for the Q4 2022 filing period.

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

Compare Q4 2022 vs Q3 2022 Across Filers

Q3 2022 holders

116

Q4 2022 holders

122

Holder diff

Investor	Q3 2022 Shares	Q4 2022 Shares	Share Diff	Share Chg %	Q3 2022 Value $	Q4 2022 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.