Security key
00773U108
Adverum Biotechnologies, Inc. - Common Stock, par value $0.0001 per share (ADVM)
CUSIP: 00773U108
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 506,821
- Total 13F value
- $2,295,899
- Share change
- 0
- SEC-reported price per share
- $4.53
- Number of holders
- 1
- Shares outstanding
- 22,163,711
Holder snapshot
3 signals
Security identity
1 source field
Report period
Q3 2025
Institutions
1
Top holders
1
ADVM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
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
TCG Crossover GP II, LLC
Disclosed value leader
BML Capital Management, LLC
Comparable rows
15/15
Latest evidence
30 Jun 2025
13D/G
13F
Lead comparable stake: 8.9%
13D/G row: TCG Crossover GP II, LLC
Showing 1-6 of 15 holder rows.
Quick read
TCG Crossover GP II, LLC leads the comparable SEC ownership view at 8.9%.
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.
Comparable ownership
Top 5
TCG Crossover GP II, LLC
8.9%
Rush Ryan Bradford
5.1%
BlackRock, Inc.
2%
BML Capital Management, LLC
14%
Principia Wealth Advisory, LLC
9.2%
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 |
|---|---|---|---|---|---|
| TCG Crossover GP II, LLC |
13D/G
|
8.9%
|
—
1,871,482 shares
|
$0 | 31 Mar 2025 |
| Rush Ryan Bradford |
13D/G
|
5.1%
|
$3,055,500
1,050,000 shares
|
$0 | 17 Dec 2024 |
| BlackRock, Inc. |
13D/G
13F
Company
|
2%
|
$895,288
414,485 shares
|
$0 | 30 Jun 2025 |
| BML Capital Management, LLC |
13F
Company
|
14%
|
$6,573,681
3,057,526 shares
|
— | 30 Jun 2025 |
| Principia Wealth Advisory, LLC |
13F
Company
|
9.2%
|
$4,366,333
2,029,116 shares
|
— | 30 Jun 2025 |
| TCG Crossover Management, LLC |
13F
Company
|
8.1%
|
$3,862,436
1,796,482 shares
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
506,821
Rows available
1
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
1
Q3 2025 holders
1
Holder diff
0
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend