Security key
02157Q109
Alto Neuroscience, Inc. - Common Stock (ANRO)
CUSIP: 02157Q109
Q4 2024 13F Holders as of 31 Dec 2024
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 22,530,140
- Total 13F value
- $95,292,066
- Share change
- -452,112
- Put/Call ratio
- 236%
- SEC-reported price per share
- $4.23
- Number of holders
- 77
- Value change
- -$45,543,045
- Number of buys
- 51
- Number of sells
- 32
- Shares outstanding
- 35,073,433
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 2024
Institutions
77
Top holders
10
ANRO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Alto Neuroscience, Inc. SEC filings
Alto Neuroscience, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 02157Q109
Recent filing periods:
Ownership snapshot
Top reported holders of ANRO - Alto Neuroscience, Inc. - Common Stock (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
FMR LLC
Disclosed value leader
Alpha Wave Global, LP
Comparable rows
15/15
Latest evidence
30 Sep 2024
13F
13D/G
3/4/5
Lead comparable stake: 4.7%
13D/G row: FMR LLC
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 4.7%.
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 FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
4.7%
Alpha Wave Global, LP
11%
RA CAPITAL MANAGEMENT, L.P.
5.9%
BlackRock, Inc.
4.1%
VANGUARD GROUP INC
3.6%
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 |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$27,033,360
2,363,056 shares
|
— | 30 Sep 2024 |
| Alpha Wave Global, LP |
13F
3/4/5
Company · 10%+ Owner
|
11%
|
$42,416,740
3,707,757 shares
|
— | 30 Sep 2024 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
5.9%
|
$23,739,762
2,075,154 shares
|
— | 30 Sep 2024 |
| BlackRock, Inc. |
13F
Company
|
4.1%
|
$16,539,196
1,445,734 shares
|
— | 30 Sep 2024 |
| VANGUARD GROUP INC |
13F
Company
|
3.6%
|
$14,569,012
1,273,515 shares
|
— | 30 Sep 2024 |
| FRANKLIN RESOURCES INC |
13F
Company
|
3.5%
|
$16,980,104
1,220,712 shares
|
— | 30 Sep 2024 |
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 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
77
Shares
22,530,140
Rows available
77
| 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 2024 vs Q3 2024 Across Filers
Q3 2024 holders
75
Q4 2024 holders
77
Holder diff
2
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend