Security key
02155H200
Altimmune, Inc. - Common stock, par value $0.0001 per share (ALT)
CUSIP: 02155H200
Q4 2022 13F Holders as of 31 Dec 2022
- Security type / class
- Equity / Common stock, par value $0.0001 per share
- Total 13F shares
- 46,782,400
- Total 13F value
- $769,520,216
- Share change
- +755,142
- Put/Call ratio
- 10%
- SEC-reported price per share
- $16.45
- Number of holders
- 122
- Value change
- +$29,466,534
- Number of buys
- 70
- Number of sells
- 63
- Shares outstanding
- 129,919,091
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2022
Institutions
122
Top holders
10
ALT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2023
Previous quarter: Q3 2022
Altimmune, Inc. SEC filings
Altimmune, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 02155H200
Recent filing periods:
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
JANUS HENDERSON GROUP PLC
Disclosed value leader
JANUS HENDERSON GROUP PLC
Comparable rows
15/15
Latest evidence
30 Sep 2022
13F
Lead comparable stake: 3.2%
Showing 1-6 of 15 holder rows.
Quick read
JANUS HENDERSON GROUP PLC leads the comparable SEC ownership view at 3.2%.
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 JANUS HENDERSON GROUP PLC's linked filing trail.
Comparable ownership
Top 5
JANUS HENDERSON GROUP PLC
3.2%
Cormorant Asset Management, LP
2.7%
STATE STREET CORP
2.6%
Nuveen Asset Management, LLC
2.5%
Avidity Partners Management LP
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 |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC |
13F
Company
|
3.2%
|
$52,620,000
4,121,814 shares
|
— | 30 Sep 2022 |
| Cormorant Asset Management, LP |
13F
Company
|
2.7%
|
$43,965,000
3,442,863 shares
|
— | 30 Sep 2022 |
| STATE STREET CORP |
13F
Company
|
2.6%
|
$43,403,000
3,398,856 shares
|
— | 30 Sep 2022 |
| Nuveen Asset Management, LLC |
13F
Company
|
2.5%
|
$41,042,000
3,213,900 shares
|
— | 30 Sep 2022 |
| Avidity Partners Management LP |
13F
Company
|
2.1%
|
$34,275,000
2,684,000 shares
|
— | 30 Sep 2022 |
| TANG CAPITAL MANAGEMENT LLC |
13F
Company
|
2%
|
$33,208,000
2,600,450 shares
|
— | 30 Sep 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 Q4 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
122
Shares
46,782,400
Rows available
122
| 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 Q4 2022 vs Q3 2022 Across Filers
Q3 2022 holders
116
Q4 2022 holders
122
Holder diff
6
| Investor | Q3 2022 Shares | Q4 2022 Shares | Share Diff | Share Chg % | Q3 2022 value | Q4 2022 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend