Security key
02157Q109
- Security type / class
- Equity / Comon Stock
- Total 13F shares
- 34,009
- Total 13F value
- $897,497
- Share change
- -7,647
- SEC-reported price per share
- $26.39
- Number of holders
- 7
- Value change
- -$108,180
- Number of buys
- 3
- Number of sells
- 1
- Shares outstanding
- 38,482,759
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
7
Top holders
7
ANRO full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 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. - Comon 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
PERCEPTIVE ADVISORS LLC
Disclosed value leader
Alpha Wave Global, LP
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 10%
13D/G row: PERCEPTIVE ADVISORS LLC
Showing 1-6 of 15 holder rows.
Quick read
PERCEPTIVE ADVISORS LLC leads the comparable SEC ownership view at 10%.
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 PERCEPTIVE ADVISORS LLC's linked filing trail.
Comparable ownership
Top 5
PERCEPTIVE ADVISORS LLC
10%
Commodore Capital LP
9.9%
Sirenia Capital Management LP
7.9%
Vestal Point Capital, LP
6.5%
ARMISTICE CAPITAL, LLC
4.9%
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 |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC |
13D/G
13F
Company
|
10%
|
$53,623,911
3,249,934 shares
|
+$20,798,926 | 31 Dec 2025 |
| Commodore Capital LP |
13D/G
13F
Company
|
9.9%
|
$77,791,742
3,588,180 shares
|
+$7,426,527 | 31 Mar 2026 |
| Sirenia Capital Management LP |
13D/G
|
7.9%
|
$56,185,606
2,591,587 shares
|
$0 | 31 Mar 2026 |
| Vestal Point Capital, LP |
13F
13D/G
Company
|
6.5%
from 13D/G
|
$46,400,406
2,064,075 shares
|
— | 31 Mar 2026 |
| ARMISTICE CAPITAL, LLC |
13F
13D/G
Company
|
4.9%
from 13D/G
|
$41,752,290
2,781,000 shares
mixed-class rows
|
— | 31 Mar 2026 |
| FMR LLC |
13D/G
|
4.7%
|
$2,885,445
1,265,546 shares
|
$0 | 31 Dec 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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
7
Shares
34,009
Rows available
7
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
110
Q2 2026 holders
7
Holder diff
-103
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend