Ascendis Pharma A/S - Common Stock (ASND)

CUSIP: 04351P101

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class
Equity / Common Stock
Total 13F shares
64,677,198
Total 13F value
$13,781,007,160
Holder snapshot 6 visible 7 signals
Share change
+112,234
Put/Call ratio
31%
SEC-reported price per share
$213.24
Number of holders
304
Value change
+$36,599,194
Number of buys
172
Open additional details 1 more signal available
Number of sells
127
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
62,915,156

Security key

04351P101

Report period

Q4 2025

Institutions

304

Top holders

10

ASND full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Ascendis Pharma A/S SEC filings Ascendis Pharma A/S company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of ASND - Ascendis Pharma A/S - 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
WESTFIELD CAPITAL MANAGEM...
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G 13F Lead comparable stake: 8.5% 13D/G row: WESTFIELD CAPITAL MANAGEMENT CO LP Showing 1-6 of 15 holder rows.

Quick read

WESTFIELD CAPITAL MANAGEMENT CO LP leads the comparable SEC ownership view at 8.5%.

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 WESTFIELD CAPITAL MANAGEMENT CO LP's linked filing trail.
Comparable ownership Top 5
WESTFIELD CAPITAL MANAGEMENT CO LP 8.5%
Artisan Partners Limited Partnership 5.2%
RA CAPITAL MANAGEMENT, L.P. 16%
Avoro Capital Advisors LLC 8.1%
FMR LLC 7.1%

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
WESTFIELD CAPITAL MANAGEMENT CO LP
13D/G 13F
Westfield Capital Management Company, L.P. · Company
13D/G 13F
8.5%
$1,115,183,925
5,185,696 shares
 -$73,663,872 31 Dec 2025
Artisan Partners Limited Partnership
13F 13D/G
Company · Artisan Partners Asset Management Inc.
13F 13D/G
5.2%
from 13D/G
$739,748,153
3,720,880 shares
 — 30 Sep 2025
RA CAPITAL MANAGEMENT, L.P.
13F
Company
13F
16%
$2,044,064,220
10,281,496 shares
 — 30 Sep 2025
Avoro Capital Advisors LLC
13F
Company
13F
8.1%
$1,015,919,100
5,110,000 shares
 — 30 Sep 2025
FMR LLC
13F
Company
13F
7.1%
$889,025,151
4,471,733 shares
 — 30 Sep 2025
JANUS HENDERSON GROUP PLC
13F
Company
13F
6.9%
$859,415,657
4,323,059 shares
 — 30 Sep 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 Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
304
Shares
64,677,198
Rows available
304
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 2025 vs Q3 2025 Across Filers

Q3 2025 holders
279
Q4 2025 holders
304
Holder diff
25
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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