Security key
00773U108
Adverum Biotechnologies, Inc. - Common Stock, par value $0.0001 per share (ADVM)
CUSIP: 00773U108
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 65,600,223
- Total 13F value
- $115,457,496
- Share change
- -4,191,961
- Put/Call ratio
- 35%
- SEC-reported price per share
- $1.76
- Number of holders
- 93
- Value change
- -$8,004,076
- Number of buys
- 36
- Number of sells
- 63
- Shares outstanding
- 22,163,711
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 2021
Institutions
93
Top holders
10
ADVM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
Adverum Biotechnologies, Inc. SEC filings
Adverum Biotechnologies, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00773U108
Recent filing periods:
Ownership snapshot
Top reported holders of ADVM - Adverum Biotechnologies, 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
RTW INVESTMENTS, LP
Disclosed value leader
RTW INVESTMENTS, LP
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 34%
Showing 1-6 of 15 holder rows.
Quick read
RTW INVESTMENTS, LP leads the comparable SEC ownership view at 34%.
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 RTW INVESTMENTS, LP's linked filing trail.
Comparable ownership
Top 5
RTW INVESTMENTS, LP
34%
BlackRock Finance, Inc.
34%
Avoro Capital Advisors LLC
31%
Sonic Fund II, L.P.
30%
Versant Venture Management, LLC
23%
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 |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP |
13F
Company
|
34%
|
$16,240,000
7,483,757 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
34%
|
$16,134,000
7,435,074 shares
|
— | 30 Sep 2021 |
| Avoro Capital Advisors LLC |
13F
Company
|
31%
|
$15,082,000
6,950,000 shares
|
— | 30 Sep 2021 |
| Sonic Fund II, L.P. |
13F
Company
|
30%
|
$14,218,000
6,552,068 shares
|
— | 30 Sep 2021 |
| Versant Venture Management, LLC |
13F
Company
|
23%
|
$10,998,000
5,068,233 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
20%
|
$9,502,000
4,378,759 shares
|
— | 30 Sep 2021 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
93
Shares
65,600,223
Rows available
93
| 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 2021 vs Q3 2021 Across Filers
Q3 2021 holders
106
Q4 2021 holders
93
Holder diff
-13
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend