Assenagon Asset Management S.A. (CIK: 0001546007) is a financial institution headquartered at Aerogolf Center, 1B Heienhaff, Senningerberg, Luxembourg 1736. The firm regularly files Form 13F with the U.S. Securities and Exchange Commission (SEC), disclosing its equity holdings and investment positions.
As of the latest reporting period (2026-09-30), the institution manages a portfolio valued at $103.35 B, comprising 1,096 distinct securities. Over its filing history, it has submitted 41 Form 13F reports.
To view the institution’s full SEC filing history:
🔗 View All SEC Filings
Q3 2026 — Top-10 concentration: 38.5%. Quarterly turnover: 15.8%. ▲ 79 new, +493 added, −446 reduced, ×145 exited.
| Name | Shares | Market Value | Weight | Change | Activity |
|---|---|---|---|---|---|
| 26.15 M | $6.52 B | 6.30% | ▲ 8,320,599 | Add 46.7% | |
| 19.31 M | $6.43 B | 6.22% | ▲ 3,902,240 | Add 25.3% | |
| 9.7 M | $4.97 B | 4.81% | ▼ 748,181 | Reduce -7.2% | |
| 20.17 M | $4.61 B | 4.46% | ▼ 6,171,018 | Reduce -23.4% | |
| 30.21 M | $3.63 B | 3.51% | ▲ 14,063,302 | Add 87.1% | |
| 5.05 M | $3.09 B | 2.99% | ▼ 267,927 | Reduce -5.0% | |
| 2.81 M | $2.99 B | 2.89% | ▲ 2,633,136 | Add 1528.1% | |
| 4.56 M | $2.27 B | 2.20% | ▲ 1,209,896 | Add 36.1% | |
| 5.93 M | $2.04 B | 1.97% | ▲ 2,015,684 | Add 51.5% | |
| 5.54 M | $1.89 B | 1.83% | ▼ 2,385,295 | Reduce -30.1% |