Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ASND held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 10.3M | $2.35B | 0.0% | 16.642% | 24.92% |
| 2 | Avoro Capital Advisors LLC | 5.1M | $1.16B | -1.9% | 8.194% | 11.84% |
| 3 | WESTFIELD CAPITAL MANAGEMENT CO LP | 4.8M | $1.10B | -7.2% | 7.791% | 4.62% |
| 4 | FMR LLC | 3.9M | $886.7M | -6.7% | 6.275% | 0.05% |
| 5 | Artisan Partners Limited Partnership | 3.2M | $738.8M | +0.1% | 5.229% | 1.20% |
| 6 | FRANKLIN RESOURCES INC | 2.1M | $469.3M | +7.4% | 3.321% | 0.11% |
| 7 | Capital International Investors | 2.0M | $448.0M | -36.1% | 3.171% | 0.11% |
| 8 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.9M | $425.6M | -1.4% | 3.012% | 0.14% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 1.8M | $402.0M | -0.3% | 2.845% | 0.08% |
| 10 | PERCEPTIVE ADVISORS LLC | 1.5M | $350.3M | +41.6% | 2.479% | 6.93% |
| 11 | AMERICAN CENTURY COMPANIES INC | 1.4M | $319.6M | -3.2% | 2.261% | 0.16% |
| 12 | Capital World Investors | 901K | $206.0M | β | 1.458% | 0.03% |
| 13 | PRINCIPAL FINANCIAL GROUP INC | 896K | $205.0M | -12.7% | 1.451% | 0.11% |
| 14 | AMERIPRISE FINANCIAL INC | 888K | $203.1M | +61.3% | 1.437% | 0.05% |
| 15 | BlackRock, Inc. | 661K | $151.2M | +5.2% | 1.070% | 0.00% |
| 16 | Polar Capital Holdings Plc | 652K | $149.1M | +75.9% | 1.055% | 0.53% |
| 17 | MORGAN STANLEY | 606K | $138.7M | -1.9% | 0.982% | 0.01% |
| 18 | GOLDMAN SACHS GROUP INC | 566K | $129.5M | -5.1% | 0.916% | 0.01% |
| 19 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 556K | $127.3M | +12.0% | 0.901% | 0.22% |
| 20 | FIL Ltd | 447K | $102.3M | -6.5% | 0.724% | 0.08% |
| 21 | Vestal Point Capital, LP | 375K | $85.8M | +114.3% | 0.607% | 2.40% |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 372K | $85.2M | -49.1% | 0.603% | 0.01% |
| 23 | Invesco Ltd. | 362K | $82.8M | -38.2% | 0.586% | 0.01% |
| 24 | SEI INVESTMENTS CO | 351K | $80.3M | +24.8% | 0.568% | 0.07% |
| 25 | BNP PARIBAS ARBITRAGE, SA | 309K | $70.7M | +0.7% | 0.500% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ASND β a direct measure of their conviction.
Filings activity in ASND during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ASND position in Q1 2026
Institutions that fully closed their ASND position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 258 | 13% | 92.34% | 4.68 pp | $12.44B | 4.8% |
| Q4 2025 | 298 | +8.8% | 97.02% | +10.03 pp | $13.07B | +12% |
| Q3 2025 | 274 | +13% | 86.99% | +14.82 pp | $11.72B | +21% |
| Q2 2025 | 242 | +3.0% | 72.17% | +5.80 pp | $9.72B | +8.7% |
| Q1 2025 | 235 | +12% | 66.37% | +9.65 pp | $8.94B | +17% |
| Q4 2024 | 210 | 2.3% | 56.72% | 5.31 pp | $7.64B | 8.6% |
| Q3 2024 | 215 | +11% | 62.03% | +4.28 pp | $8.36B | +7.4% |
| Q2 2024 | 194 | β | 57.75% | β | $7.78B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 29, 2026 | SMITH SCOTT THOMAS | Buy | 250 | $223.32 | $56K |
| May 26, 2026 | BIENAIME JEAN JACQUES | Buy | 200 | $236.24 | $47K |
Quick answers to the most common questions about buying ASND stock.
Based on Q1 2026 13F filings, institutional ownership of Ascendis Pharma A/S stands at 92.3%, held across 258 reporting institutions.
RA CAPITAL MANAGEMENT, L.P. is the largest reported institutional holder of ASND, with approximately 10,281,496 shares worth $2.35B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of ASND, including SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for ASND is 25 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
33 institutions opened new positions in ASND during Q1 2026, while 73 fully exited. 168 added to existing positions and 57 trimmed.
ASND institutional ownership fell by 4.68 percentage points quarter-over-quarter, with a net change of -40 holders.
The top 10 institutions account for 67.0% of all reported 13F value in ASND, and the top 25 account for 84.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ascendis Pharma A/S (ASND) Institutional Ownership