Ascendis Pharma A/S
ASND- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001612042
In the last 90 days, Ascendis Pharma A/S insiders filed 1 open-market purchase and 2 sales; 313 institutions reported holding it in 13F filings for Q2 2026, worth $17.8B in total; no superinvestor holds it.
Holders of 5% or more of ASND
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ascendis Pharma A/S, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 13G/A | 10.50%6.51M shares | +0.60 ppfrom 9.90% | May 14, 20255 filings | May 7, 2026 | SEC |
| Westfield Capital Management Co LP | 13G/A | 8.48%5.19M shares | −0.70 ppfrom 9.18% | Feb 2, 20234 filings | Feb 11, 2026 | SEC |
| FMR LLC | 13G/A | 6.60%3.85M shares | −1.40 ppfrom 8.00% | Feb 8, 20216 filings | May 6, 2026 | SEC |
| Janus Henderson Group PLC | 13G/A | 6.00%3.72M shares | −1.80 ppfrom 7.80% | Feb 12, 20218 filings | May 15, 2026 | SEC |
| Artisan Partners Limited Partnership | 13G/A | 5.20%3.23M shares | – | Feb 10, 20214 filings | Feb 3, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
44 Schedule 13D and 13G filings on Ascendis Pharma A/S, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20264:30 PM ET | Artisan Partners Limited Partnershipand 3 others | 13G/A | 4.20%2.63M shares | –Below 5% | Jun 30, 2026 | SEC |
| May 15, 202612:36 PM ET | Janus Henderson Group PLC | 13G/A | 6.00%3.72M shares | −1.80 ppfrom 7.80% | Mar 31, 2026 | SEC |
| May 14, 202612:52 PM ET | Capital International Investors | 13G/A | 3.20%2.01M shares | −2.40 ppfrom 5.60%Below 5% | Mar 31, 2026 | SEC |
| May 7, 202611:03 AM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 10.50%6.51M shares | +0.60 ppfrom 9.90% | Apr 30, 2026 | SEC |
| May 7, 202610:32 AM ET | T. Rowe Price Investment Management, Inc. | 13G | 9.90%6.16M shares | +5.10 ppfrom 4.80% | Mar 31, 2026 | SEC |
| May 6, 202611:00 AM ET | FMR LLCand 1 other | 13G/A | 6.60%3.85M shares | −1.40 ppfrom 8.00% | Mar 31, 2026 | SEC |
| Feb 11, 202610:57 AM ET | Westfield Capital Management Co LP | 13G/A | 8.48%5.19M shares | −0.70 ppfrom 9.18% | Dec 31, 2025 | SEC |
| Feb 3, 20262:00 PM ET | Artisan Partners Limited Partnershipand 3 others | 13G/A | 5.20%3.23M shares | – | Dec 31, 2025 | SEC |
| Nov 14, 202512:18 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 4.80%2.67M shares | −1.60 ppfrom 6.40%Below 5% | Sep 30, 2025 | SEC |
| Nov 14, 202511:54 AM ET | Janus Henderson Group PLC | 13G/A | 7.80%4.32M shares | −0.20 ppfrom 8.00% | Sep 30, 2025 | SEC |
| Aug 14, 202512:12 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 6.40%3.58M shares | +1.40 ppfrom 5.00% | Jun 30, 2025 | SEC |
| Aug 14, 202510:57 AM ET | Janus Henderson Group PLC | 13G/A | 8.00%4.43M shares | +0.60 ppfrom 7.40% | Jun 30, 2025 | SEC |
| Aug 13, 202512:49 PM ET | Capital International Investors | 13G | 5.60%3.11M shares | New | Jun 30, 2025 | SEC |
| May 14, 202511:59 AM ET | Janus Henderson Group PLC | 13G/A | 7.40%4.50M shares | +0.20 ppfrom 7.20% | Mar 31, 2025 | SEC |
| May 14, 202510:47 AM ET | T. Rowe Price Investment Management, Inc. | 13G | 5.00%3.05M shares | New | Mar 31, 2025 | SEC |
| May 12, 202510:24 AM ET | FMR LLCand 1 other | 13G/A | 8.00%4.65M shares | – | Mar 31, 2025 | SEC |
| Feb 14, 202511:54 AM ET | Janus Henderson Group PLC | 13G/A | 7.20%4.38M shares | – | Dec 31, 2024 | SEC |
| Feb 11, 20259:15 AM ET | Westfield Capital Management Co LP | 13G/A | 9.18%5.53M shares | 0.00 ppfrom 9.18% | Dec 31, 2024 | SEC |
| Feb 10, 20255:13 PM ET | Westfield Capital Management Co LP | 13G/A | 9.18%4.08M shares | – | Dec 31, 2024 | SEC |
| Apr 10, 2023 | Ra Capital Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Ra Capital Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Baker Bros. Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Avoro Capital Advisors LLC | 13GOld format | – | New | – | SEC |
| Feb 14, 2023 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Janus Henderson Group PLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Artisan Partners Limited Partnership | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 6, 2023 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 2, 2023 | Westfield Capital Management Co LP | 13GOld format | – | New | – | SEC |
| Feb 14, 2022 | Baker Bros. Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Ra Capital Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Janus Henderson Group PLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Artisan Partners Limited Partnership | 13G/AOld format | – | – | – | SEC |
| May 10, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Baker Bros. Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Ra Capital Management, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Janus Henderson Group PLC | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Artisan Partners Limited Partnership | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 3, 2021 | Wellington Management Group LLP | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Ascendis Pharma A/S shares.
No Form 144 notices for Ascendis Pharma A/S are on file.