Security key
615111101
Onterris, Inc. - Common Stock, par value $0.000004 share (ONT)
CUSIP: 615111101
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value $0.000004 share
- Total 13F shares
- 32,482,374
- Total 13F value
- $891,955,275
- Share change
- -1,659,425
- Put/Call ratio
- 10%
- SEC-reported price per share
- $27.46
- Number of holders
- 183
- Value change
- -$42,853,644
- Number of buys
- 101
- Number of sells
- 75
- Shares outstanding
- 36,526,140
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
Q3 2025
Institutions
183
Top holders
10
ONT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
Onterris, Inc. SEC filings
Onterris, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 615111101
Recent filing periods:
Ownership snapshot
Top reported holders of ONT - Onterris, Inc. - Common Stock, par value $0.000004 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
BAMCO INC /NY/
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F
13D/G
Lead comparable stake: 6.1%
13D/G row: BAMCO INC /NY/
Showing 1-6 of 15 holder rows.
Quick read
BAMCO INC /NY/ leads the comparable SEC ownership view at 6.1%.
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 BAMCO INC /NY/'s linked filing trail.
Comparable ownership
Top 5
BAMCO INC /NY/
6.1%
WILLIAM BLAIR INVESTMENT MANAGEME...
3.7%
ALGER ASSOCIATES INC
3%
MANAGED ACCOUNT ADVISORS LLC
2.7%
BlackRock, Inc.
7.9%
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 |
|---|---|---|---|---|---|
| BAMCO INC /NY/ |
13F
13D/G
Company · Baron Capital Group, Inc.
|
6.1%
from 13D/G
|
$60,512,607
2,764,395 shares
|
— | 30 Jun 2025 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
13D/G
Company
|
3.7%
from 13D/G
|
$50,733,577
2,317,660 shares
|
— | 30 Jun 2025 |
| ALGER ASSOCIATES INC |
13D/G
|
3%
|
$15,502,470
1,013,896 shares
|
$0 | 31 Dec 2024 |
| MANAGED ACCOUNT ADVISORS LLC |
13D/G
|
2.7%
|
$22,645,696
957,130 shares
|
-$19,773,845 | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
7.9%
|
$62,807,200
2,869,219 shares
|
— | 30 Jun 2025 |
| MACQUARIE GROUP LTD |
13F
Company
|
5.4%
|
$43,044,000
1,966,356 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
183
Shares
32,482,374
Rows available
183
| 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
156
Q3 2025 holders
183
Holder diff
27
| 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