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 Q3 2022?

116 institutional investors reported ALT - Altimmune, Inc. - Common Stock, par value $0.0001 per share for Q3 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

Q3 2022 13F Holders as of 30 Sep 2022

Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 200,000,000
Total 13F shares: 46,027,433
Share change: +6,017,167
Total reported value: $587,716,469
Put/Call ratio: 21%
Price per share: $12.77
Number of holders: 116
Value change: +$80,574,668
Number of buys: 76
Number of sells: 50

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: Q4 2022
Previous quarter: Q2 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
TANG CAPITAL MANAGEMENT LLC	13F	Company	1.8%	3,600,450	$42,125,000	—	30 Jun 2022	13F
Nuveen Asset Management, LLC	13F	Company	1.5%	3,064,280	$35,852,000	—	30 Jun 2022	13F
Cormorant Asset Management, LP	13F	Company	1.5%	3,000,000	$35,100,000	—	30 Jun 2022	13F
Avidity Partners Management LP	13F	Company	1.5%	2,981,000	$34,878,000	—	30 Jun 2022	13F
BAKER BROS. ADVISORS LP	13F	Company	1%	2,075,403	$24,282,000	—	30 Jun 2022	13F
VANGUARD GROUP INC	13F	Company	0.86%	1,725,546	$20,189,000	—	30 Jun 2022	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.7%	1,392,884	$16,297,000	—	30 Jun 2022	13F
MORGAN STANLEY	13F	Company	0.69%	1,374,024	$16,076,000	—	30 Jun 2022	13F
ARDSLEY ADVISORY PARTNERS LP	13F	Company	0.67%	1,339,000	$15,666,000	—	30 Jun 2022	13F
CITADEL ADVISORS LLC	13F	Company	0.57%	1,147,858	$13,430,000	—	30 Jun 2022	13F
BARCLAYS PLC	13F	Company	0.53%	1,065,547	$12,467,000	—	30 Jun 2022	13F
BlackRock Finance, Inc.	13F	Company	0.48%	962,184	$11,257,000	—	30 Jun 2022	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.47%	940,061	$10,999,000	—	30 Jun 2022	13F
Ikarian Capital, LLC	13F	Company	0.45%	897,359	$10,499,000	—	30 Jun 2022	13F
CITIGROUP INC	13F	Company	0.44%	889,470	$10,407,000	—	30 Jun 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.41%	824,648	$9,648,000	—	30 Jun 2022	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.38%	766,600	$8,969,000	—	30 Jun 2022	13F
Laurion Capital Management LP	13F	Company	0.38%	763,970	$8,938,000	—	30 Jun 2022	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.33%	665,400	$7,785,000	—	30 Jun 2022	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.31%	615,618	$7,203,000	—	30 Jun 2022	13F
Point72 Asset Management, L.P.	13F	Company	0.3%	609,100	$7,126,000	—	30 Jun 2022	13F
Tri Locum Partners LP	13F	Company	0.29%	574,646	$6,723,000	—	30 Jun 2022	13F
Parkman Healthcare Partners LLC	13F	Company	0.28%	559,755	$6,549,000	—	30 Jun 2022	13F
Woodline Partners LP	13F	Company	0.28%	550,685	$6,443,000	—	30 Jun 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.25%	504,756	$5,906,000	—	30 Jun 2022	13F
Atika Capital Management LLC	13F	Company	0.21%	411,039	$4,810,000	—	30 Jun 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.19%	379,831	$4,444,000	—	30 Jun 2022	13F
VR Adviser, LLC	13F	Company	0.18%	369,306	$4,321,000	—	30 Jun 2022	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.18%	350,526	$4,101,000	—	30 Jun 2022	13F
DCF Advisers, LLC	13F	Company	0.17%	335,180	$3,922,000	—	30 Jun 2022	13F
ExodusPoint Capital Management, LP	13F	Company	0.15%	305,879	$3,579,000	—	30 Jun 2022	13F
Beirne Wealth Consulting Services, LLC	13F	Company	0.14%	284,647	$3,330,000	—	30 Jun 2022	13F
MARSHALL WACE, LLP	13F	Company	0.14%	270,330	$3,162,000	—	30 Jun 2022	13F
Ergoteles LLC	13F	Company	0.11%	214,700	$2,512,000	—	30 Jun 2022	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.1%	206,469	$2,416,000	—	30 Jun 2022	13F
Informed Momentum Co LLC	13F	Company	0.1%	194,271	$2,273,000	—	30 Jun 2022	13F
NORGES BANK	13F	Company	0.09%	189,600	$2,218,320	—	30 Jun 2022	13F
GROUP ONE TRADING LLC	13F	Company	0.09%	189,074	$2,212,000	—	30 Jun 2022	13F
Timelo Investment Management Inc.	13F	Company	0.09%	187,529	$2,194,000	—	30 Jun 2022	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.09%	179,000	$2,094,000	—	30 Jun 2022	13F
D. E. Shaw & Co., Inc.	13F	Company	0.08%	169,683	$1,985,000	—	30 Jun 2022	13F
JPMORGAN CHASE & CO	13F	Company	0.08%	160,573	$1,879,000	—	30 Jun 2022	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.08%	150,000	$1,755,000	—	30 Jun 2022	13F
STATE STREET CORP	13F	Company	0.07%	135,546	$1,586,000	—	30 Jun 2022	13F
Walleye Capital LLC	13F	Company	0.07%	134,993	$1,579,000	—	30 Jun 2022	13F
Knoll Capital Management, LLC	13F	Company	0.07%	132,978	$1,556,000	—	30 Jun 2022	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.06%	128,283	$1,501,000	—	30 Jun 2022	13F
Global IMC LLC	13F	Company	0.06%	125,995	$1,474,000	—	30 Jun 2022	13F
SIMPLEX TRADING, LLC	13F	Company	0.06%	125,262	$1,465,000	—	30 Jun 2022	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.06%	123,364	$1,443,000	—	30 Jun 2022	13F

Institutional Holders of Altimmune, Inc. - Common Stock, par value $0.0001 per share (ALT) as of Q3 2022

As of 30 Sep 2022, Altimmune, Inc. - Common Stock, par value $0.0001 per share (ALT) was held by 116 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 46,027,433 shares. The largest 10 holders included JANUS HENDERSON GROUP PLC, Cormorant Asset Management, LP, STATE STREET CORP, Nuveen Asset Management, LLC, Avidity Partners Management LP, TANG CAPITAL MANAGEMENT LLC, VANGUARD GROUP INC, BAKER BROS. ADVISORS LP, DRIEHAUS CAPITAL MANAGEMENT LLC, and BlackRock Inc.. This page lists 116 institutional shareholders reporting positions in this security for the Q3 2022 filing period.

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

Compare Q3 2022 vs Q2 2022 Across Filers

Q2 2022 holders

102

Q3 2022 holders

116

Holder diff

Investor	Q2 2022 Shares	Q3 2022 Shares	Share Diff	Share Chg %	Q2 2022 Value $	Q3 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.