Security key
N62509109
NewAmsterdam Pharma Co N.V. - COMMON STOCK (NAMS)
CUSIP: N62509109
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 116,368,291
- Total 13F value
- $2,107,516,504
- Share change
- +5,189,233
- Put/Call ratio
- 388%
- SEC-reported price per share
- $18.11
- Number of holders
- 130
- Value change
- +$92,203,105
- Number of buys
- 82
- Number of sells
- 50
- Shares outstanding
- 117,496,170
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
Q2 2025
Institutions
130
Top holders
10
NAMS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
NewAmsterdam Pharma Co N.V. SEC filings
NewAmsterdam Pharma Co N.V. company facts
Broader feeds
Reporting periods
Holder history for CUSIP N62509109
Recent filing periods:
Ownership snapshot
Top reported holders of NAMS - NewAmsterdam Pharma Co N.V. - 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
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
FCPM III SERVICES B.V.
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F
13D/G
Lead comparable stake: 9.9%
13D/G row: RA CAPITAL MANAGEMENT, L.P.
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 9.9%.
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.
Open SEC evidence
Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership
Top 5
RA CAPITAL MANAGEMENT, L.P.
9.9%
FCPM III SERVICES B.V.
9.3%
VIKING GLOBAL INVESTORS LP
5.9%
Capital World Investors
5.8%
JENNISON ASSOCIATES LLC
3.4%
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 |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13F
13D/G
Company
|
9.9%
from 13D/G
|
$210,540,725
10,472,271 shares
mixed-class rows
|
— | 31 Mar 2025 |
| FCPM III SERVICES B.V. |
13F
Company
|
9.3%
|
$223,845,796
10,935,310 shares
|
— | 31 Mar 2025 |
| VIKING GLOBAL INVESTORS LP |
13F
Company
|
5.9%
|
$142,850,591
6,978,534 shares
|
— | 31 Mar 2025 |
| Capital World Investors |
13F
Company
|
5.8%
|
$139,167,301
6,798,598 shares
|
— | 31 Mar 2025 |
| JENNISON ASSOCIATES LLC |
13F
Company
|
3.4%
|
$81,269,770
3,970,189 shares
|
— | 31 Mar 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
3%
|
$72,504,229
3,541,975 shares
|
— | 31 Mar 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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
130
Shares
116,368,291
Rows available
130
| 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 2025 vs Q1 2025 Across Filers
Q1 2025 holders
126
Q2 2025 holders
130
Holder diff
4
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend