Latest Period
Q1 2026
CUSIP: 04351P101
Latest Period
Q1 2026
Institutions Reporting
265
Shares (Excl. Options)
54,713,252
Price
$228.73
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Latest holder context comes from 265 institutions filings for Q1 2026.
Security key
04351P101
Latest holder period
Q1 2026
13F holders
265
13D/G owners
6
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 04351P101:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 10% | +114% | $1,617,120,732 | +$954,097,949 | 6,506,219 | +144% | T. Rowe Price Investment Management, Inc. | 30 Apr 2026 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 8.5% | -7.8% | $1,115,183,925 | -$73,663,872 | 5,185,696 | -6.2% | Westfield Capital Management Company, L.P. | 31 Dec 2025 |
| FMR LLC | 6.6% | -18% | $957,439,699 | -$197,557,979 | 3,852,101 | -17% | FMR LLC | 31 Mar 2026 |
| JANUS HENDERSON GROUP PLC | 6% | -22% | $924,469,795 | -$150,026,520 | 3,719,452 | -14% | JANUS HENDERSON GROUP PLC | 31 Mar 2026 |
| Artisan Partners Limited Partnership | 5.2% | $687,887,717 | 3,225,885 | Artisan Partners Asset Management Inc. | 31 Dec 2025 | |||
| Capital International Investors | 3.2% | -40% | $492,207,917 | -$267,935,411 | 2,013,285 | -35% | Capital International Investors | 31 Mar 2026 |
As of 31 Mar 2026, 265 institutional investors reported holding 54,713,252 shares of Ascendis Pharma A/S - Common Stock (ASND). This represents 87% of the company’s total 62,915,156 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 16% | 10,281,496 | 0% | 25% | $2,351,686,580 |
| Avoro Capital Advisors LLC | 8% | 5,062,500 | -0.95% | 11% | $1,157,945,625 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 7.7% | 4,813,440 | -7.2% | 4.6% | $1,100,978,089 |
| FMR LLC | 6.2% | 3,876,601 | -6.7% | 0.05% | $886,694,943 |
| Artisan Partners Limited Partnership | 5.1% | 3,230,188 | +0.13% | 1.2% | $738,840,836 |
| FRANKLIN RESOURCES INC | 3.3% | 2,051,948 | +7.4% | 0.11% | $469,341,976 |
| Capital International Investors | 3.1% | 1,958,843 | -36% | 0.11% | $448,046,159 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3% | 1,860,669 | -1.4% | 0.15% | $425,574,778 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.8% | 1,757,633 | -0.29% | 0.08% | $402,023,397 |
| PERCEPTIVE ADVISORS LLC | 2.4% | 1,531,421 | +42% | 6.9% | $350,281,925 |
| AMERICAN CENTURY COMPANIES INC | 2.2% | 1,397,119 | -3.2% | 0.16% | $319,564,431 |
| Capital World Investors | 1.4% | 900,517 | 0.03% | $205,975,253 | |
| PRINCIPAL FINANCIAL GROUP INC | 1.4% | 896,397 | -13% | 0.11% | $205,032,887 |
| BlackRock, Inc. | 1.1% | 661,054 | +5.2% | 0% | $151,202,889 |
| Polar Capital Holdings Plc | 1% | 651,712 | +76% | 0.65% | $149,066,086 |
| MORGAN STANLEY | 0.96% | 606,348 | -1.9% | 0.01% | $138,690,183 |
| GOLDMAN SACHS GROUP INC | 0.9% | 566,192 | -5.1% | 0.02% | $129,505,096 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 0.88% | 556,427 | +12% | 0.22% | $127,272,000 |
| JPMORGAN CHASE & CO | 0.86% | 539,434 | +6.3% | 0.01% | $117,785,480 |
| AMERIPRISE FINANCIAL INC | 0.76% | 476,466 | -13% | 0.03% | $108,982,068 |
| FIL Ltd | 0.71% | 447,421 | -6.5% | 0.08% | $102,338,605 |
| Vestal Point Capital, LP | 0.6% | 375,000 | +114% | 2.4% | $85,773,750 |
| Spyglass Capital Management LLC | 0.58% | 367,972 | -11% | 6% | $84,166,236 |
| Invesco Ltd. | 0.58% | 362,109 | -38% | 0.01% | $82,825,192 |
| SEI INVESTMENTS CO | 0.56% | 351,146 | +25% | 0.07% | $80,317,658 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 54,713,252 | $12,503,369,311 | -$2,135,952,308 | $228.73 | 265 |
| 2025 Q4 | 64,677,198 | $13,781,007,160 | +$36,599,194 | $213.24 | 304 |
| 2025 Q3 | 63,798,487 | $12,683,838,954 | +$232,138,786 | $198.81 | 279 |
| 2025 Q2 | 62,895,390 | $10,855,906,781 | -$373,773,069 | $172.60 | 245 |
| 2025 Q1 | 65,180,066 | $10,147,446,038 | +$223,136,493 | $155.86 | 241 |
| 2024 Q4 | 63,751,521 | $8,776,308,689 | +$115,863,512 | $137.67 | 212 |
| 2024 Q3 | 62,595,716 | $9,312,956,409 | +$237,478,312 | $149.31 | 218 |
| 2024 Q2 | 60,687,245 | $8,276,478,215 | -$25,623,552 | $136.38 | 202 |
| 2024 Q1 | 60,791,422 | $9,189,438,728 | +$198,420,492 | $151.17 | 188 |
| 2023 Q4 | 60,262,338 | $7,590,188,894 | -$95,295,592 | $125.95 | 183 |
| 2023 Q3 | 60,279,508 | $5,644,577,484 | -$61,738,785 | $93.64 | 157 |
| 2023 Q2 | 61,039,136 | $5,447,708,812 | -$42,606,636 | $89.25 | 156 |
| 2023 Q1 | 60,982,797 | $6,535,152,679 | -$603,913,240 | $107.22 | 160 |
| 2022 Q4 | 65,956,055 | $8,054,269,679 | -$66,421,048 | $122.13 | 183 |
| 2022 Q3 | 66,716,414 | $6,891,080,476 | +$149,538,106 | $103.26 | 177 |
| 2022 Q2 | 63,211,628 | $5,875,622,934 | +$99,259,708 | $92.96 | 162 |
| 2022 Q1 | 61,928,932 | $7,267,064,424 | +$416,027,513 | $117.36 | 169 |
| 2021 Q4 | 58,376,386 | $7,851,336,290 | -$60,447,865 | $134.53 | 168 |
| 2021 Q3 | 58,008,737 | $9,244,880,979 | +$506,030,857 | $159.39 | 162 |
| 2021 Q2 | 55,049,436 | $7,239,726,130 | +$277,622,452 | $131.55 | 167 |
| 2021 Q1 | 52,687,197 | $6,790,538,552 | -$259,999,867 | $128.88 | 172 |
| 2020 Q4 | 54,357,110 | $9,065,494,890 | +$123,538,090 | $166.78 | 173 |
| 2020 Q3 | 53,548,292 | $8,263,618,101 | +$776,855,285 | $154.32 | 150 |
| 2020 Q2 | 48,248,343 | $7,132,005,530 | +$39,025,561 | $147.90 | 149 |
| 2020 Q1 | 47,871,754 | $5,391,239,456 | +$191,350,357 | $112.61 | 143 |