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Assenagon Asset Management S.A.: 13F portfolio Q3 2026 and what copying it returned
Assenagon Asset Management S.A.'s 13F for the quarter ended 2026-09-30 (filed Oct 15, 2026): 400 common-share positions, $103.3B reported. Copying each 13F the day after it was filed returned +47.7% from Apr 17, 2025 to Nov 6, 2026, against +39.9% for SPY.
Copying the 13F
Each 13F bought at the close of the first trading day after it was filed and held, drifting, until the next one; value-weighted over the common-share positions with a price (95.0% of the portfolio on average); 7 filings since Apr 15, 2025. Price returns for the clone and SPY alike (no dividends, no costs). A 13F lists only US long positions at quarter end, reported up to 45 days later.
Largest holdings (2026-09-30)
| Ticker | Company | Weight | Value | Change in the quarter |
|---|---|---|---|---|
| AMZN | Amazon.com | 6.3% | $6.5B | -26.7% |
| AAPL | Apple | 6.2% | $6.4B | -37.3% |
| MSFT | Microsoft | 4.8% | $5.0B | -53.6% |
| NVDA | NVIDIA | 4.5% | $4.6B | -61.7% |
| INTC | Intel | 3.5% | $3.6B | -6.5% |
| AMD | Advanced Micro Devices | 3.0% | $3.1B | -52.5% |
| MU | Micron Technology | 2.9% | $3.0B | +714.0% |
| BRK-B | Berkshire Hathaway | 2.2% | $2.3B | -31.9% |
| GOOGL | Alphabet | 2.0% | $2.0B | -24.2% |
| GOOG | Alphabet | 1.8% | $1.9B | -65.0% |
| TSLA | Tesla | 1.4% | $1.5B | -36.7% |
| SNDK | Sandisk | 1.4% | $1.4B | -33.4% |
| QCOM | Qualcomm | 1.2% | $1.3B | +3620.9% |
| WMT | Walmart | 1.2% | $1.2B | +42.8% |
| SNPS | Synopsys | 1.1% | $1.2B | -44.4% |
| NFLX | Netflix | 1.1% | $1.1B | +47.4% |
| TXN | Texas Instruments | 1.1% | $1.1B | -12.5% |
| KLAC | KLA | 1.1% | $1.1B | +69.6% |
| LLY | ELI Lilly | 0.9% | $908M | -21.7% |
| JNJ | Johnson & Johnson | 0.8% | $792M | -22.9% |
| TSM | Taiwan Semiconductor Manufacturing | 0.8% | $784M | -16.4% |
| HD | Home Depot | 0.8% | $770M | +273.8% |
| ANET | Arista Networks | 0.7% | $695M | unchanged |
| META | Meta Platforms | 0.7% | $691M | -57.1% |
Biggest adds
- XOM new
- PDD new
- FWONK new
- CXW new
- ESI new
- SYRE new
- CINF new
- WAL new
- VSH new
- RELY new
Biggest cuts
- LNTH exit
- RKT exit
- AXTI exit
- LEGN exit
- GPOR exit
- CHRD exit
- PFS exit
- RAMP exit
Track record
Of 622 position changes scored in 622 separate decisions, 46.8% were on the right side of SPY over the next three months (Disclosures → Smart money).
Open in Disclosures → every quarter, the clone month by month, the smart-money record
Source: SEC Form 13F-HR, filer CIK 1546007. Not investment advice.