Quick Takeaways
- ASND - Ascendis Pharma A/S has 15 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 20 Apr 2025.
$0
Shares: 0
Insiders: 0
$0
Shares: 0
Insiders: 0
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13F
|
Company |
17%
|
10,281,496
|
$2,192,426,207 | — | 31 Dec 2025 | |
| WESTFIELD CAPITAL MANAGEMENT CO LP |
13D/G
13F
|
Westfield Capital Management Company, L.P. · Company |
8.5%
|
5,185,696
|
$1,115,183,925 | -$73,663,872 | 31 Dec 2025 | |
| Avoro Capital Advisors LLC |
13F
|
Company |
8.4%
|
5,111,111
|
$1,089,893,310 | — | 31 Dec 2025 | |
| FMR LLC |
13F
13D/G
|
Company |
8%
from 13D/G
|
4,153,311
|
$885,651,945 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
13D/G
|
Company |
7.8%
from 13D/G
|
4,061,641
|
$866,104,326 | — | 31 Dec 2025 | |
| Artisan Partners Limited Partnership |
13D/G
13F
|
Artisan Partners Asset Management Inc. · Company |
5.2%
|
3,225,885
|
$687,887,717 | $0 | 31 Dec 2025 | |
| Capital International Investors |
13F
13D/G
|
Company |
5.6%
from 13D/G
|
3,063,943
|
$653,355,205 | — | 31 Dec 2025 | |
| T. Rowe Price Investment Management, Inc. |
13D/G
13F
|
Company |
4.8%
|
2,667,563
|
$530,338,200 | -$182,106,580 | 30 Sep 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
3.1%
|
1,910,079
|
$407,305,320 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
3.1%
|
1,886,393
|
$402,254,443 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
2.9%
|
1,762,721
|
$375,882,627 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
2.6%
|
1,570,260
|
$334,843,000 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
2.4%
|
1,443,141
|
$307,736,614 | — | 31 Dec 2025 | |
| PERCEPTIVE ADVISORS LLC |
13F
|
Company |
1.8%
|
1,081,421
|
$230,602,214 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
1.7%
|
1,026,407
|
$218,871,029 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
1%
|
628,200
|
$133,957,368 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1%
|
617,968
|
$131,775,763 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.98%
|
596,703
|
$127,240,947 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.96%
|
586,094
|
$124,978,684 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.9%
|
550,477
|
$117,383,715 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.85%
|
519,516
|
$110,781,591 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.83%
|
507,240
|
$108,163,857 | — | 31 Dec 2025 | |
| Jan Moller Mikkelsen |
3/4/5
|
Director |
0.74%
|
453,403
|
$106,545,170 | — | 18 Mar 2026 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
0.81%
|
496,837
|
$105,946,000 | — | 31 Dec 2025 | |
| FIL Ltd |
13F
|
Company |
0.78%
|
478,641
|
$102,065,407 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.77%
|
470,951
|
$100,425,591 | — | 31 Dec 2025 | |
| Spyglass Capital Management LLC |
13F
|
Company |
0.68%
|
415,549
|
$88,611,669 | — | 31 Dec 2025 | |
| Polar Capital Holdings Plc |
13F
|
Company |
0.61%
|
370,473
|
$78,999,663 | — | 31 Dec 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
0.58%
|
352,109
|
$75,083,723 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.5%
|
308,190
|
$65,718,435 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.5%
|
307,086
|
$65,483,019 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.49%
|
296,818
|
$63,293,470 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.47%
|
288,592
|
$61,539,358 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.46%
|
281,473
|
$60,021,329 | — | 31 Dec 2025 | |
| Tri Locum Partners LP |
13F
|
Company |
0.43%
|
265,015
|
$56,511,799 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.43%
|
262,329
|
$55,939,036 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.41%
|
247,892
|
$52,860,490 | — | 31 Dec 2025 | |
| Siren, L.L.C. |
13F
|
Individual |
0.39%
|
235,862
|
$50,295,213 | — | 31 Dec 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.38%
|
234,012
|
$49,900,719 | — | 31 Dec 2025 | |
| Aberdeen Group plc |
13F
|
Company |
0.36%
|
221,677
|
$47,270,404 | — | 31 Dec 2025 | |
| Jain Global LLC |
13F
|
Company |
0.35%
|
216,526
|
$46,172,004 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.35%
|
216,173
|
$46,096,731 | — | 31 Dec 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.33%
|
203,500
|
$43,394,340 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.32%
|
194,605
|
$41,497,458 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.32%
|
193,464
|
$41,254,263 | — | 31 Dec 2025 | |
| Q Global Advisors, LLC |
13F
|
Company |
0.31%
|
190,000
|
$40,516,000 | — | 31 Dec 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.31%
|
187,642
|
$40,022,162 | — | 31 Dec 2025 | |
| S.c.a. Candriam |
13F
|
Individual |
0.31%
|
186,940
|
$39,864,783 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.3%
|
182,234
|
$38,859,578 | — | 31 Dec 2025 | |
| PFM Health Sciences, LP |
13F
|
Company |
0.29%
|
177,685
|
$37,889,549 | — | 31 Dec 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Jean J. Bienaime | ASND | Ordinary Shares | 0 | 0 | 23 Mar 2026 | Direct | ||||
| William Fairey | ASND | Ordinary Shares | 0 | 2,117 | 18 Mar 2026 | Direct | ||||
| Siham Imani | ASND | Ordinary Shares | 0 | 2,317 | 18 Mar 2026 | Direct | ||||
| Scott Thomas Smith | ASND | Ordinary Shares | 0 | 2,517 | 18 Mar 2026 | Direct | ||||
| Anni Lotte Kirstine Sonderbjerg Pedersen | ASND | Ordinary Shares | 0 | 19,460 | 18 Mar 2026 | Direct | ||||
| Lisa Bright Morrison | ASND | Ordinary Shares | 0 | 1,572 | 18 Mar 2026 | Direct | ||||
| Lars Holtug | ASND | Ordinary Shares | 0 | 4,236 | 18 Mar 2026 | Direct | ||||
| Kennett Sprogoe | ASND | Ordinary Shares | 0 | 110 | 18 Mar 2026 | By children | ||||
| Kennett Sprogoe | ASND | Ordinary Shares | 0 | 19,460 | 18 Mar 2026 | Direct | ||||
| Jay Donovan Wu | ASND | Ordinary Shares | 0 | 1,068 | 18 Mar 2026 | Direct | ||||
| Jan Moller Mikkelsen | ASND | Ordinary Shares | 0 | 68,470 | 18 Mar 2026 | By Cadenza Partners | ||||
| Jan Moller Mikkelsen | ASND | Ordinary Shares | 0 | 384,933 | 18 Mar 2026 | Direct | ||||
| Flemming Steen Jensen | ASND | Ordinary Shares | 0 | 19,460 | 18 Mar 2026 | Direct | ||||
| Albert Cha | ASND | Ordinary Shares | 0 | 3,730 | 18 Mar 2026 | Direct | ||||
| Aimee Shu | ASND | Ordinary Shares | 0 | 0 | 18 Mar 2026 | Direct |