Top Institutional Investors

Assenagon Asset Management S.A. — 13F Holdings & Portfolio

CIK 1546007 · latest 13F-HR filed 2026-10-15

Backtest portfolio

Assenagon Asset Management S.A. manages $103.35B in 13F-reported U.S. long-equity assets across 1,096 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are AMZN (6.30%), AAPL (6.22%), MSFT (4.81%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 80 new positions and exited 146; 459 existing positions rose in reported value and 461 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$103.35B

Long-equity book

Holdings
1,096

Distinct positions

Period
2026-09-30

Filed 2026-10-15

Q/Q Activity
+80 / −146 / ↑459 / ↓461

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26
AMZN6.5% · +47%AAPL6.4% · +25%MSFT5.0% · -7%NVDA4.6% · -23%INTC3.6% · +87%AMD3.1% · -5%MU3.0% · +1528%BRK.B2.3% · +36%GOOGL2.0% · +52%GOOG1.9% · -30%TSLA1.5% · +26%SNDK1.4% · +33%QCOM1.3% · +7342%WMT1.2% · +186%SNPS1.2% · +11%UBS1.1% · +43%NFLX1.1% · +195%TXN1.1% · +75%KLAC1.1% · +239%LLY0.9% · +57%JNJ0.8% · +54%TSM0.8% · +67%HD0.8% · +648%ANET0.7% · +65%META0.7% · -14%AVGO0.7% · -11%VRTX0.6% · +60%ISRG0.6% · +56%ORLY0.6% · +73%PG0.6% · +30%ABNB0.5% · +115%ABT0.5% · +61%TJX0.5% · +137%NU0.5% · +127%HUM0.5% · +20127%COST0.5% · -25%AMGN0.5% · +465%RVMD0.4% · +988%ABBV0.4% · -19%TER0.4% · +2171%AZN0.4% · +97%AMAT0.4% · +44%CPNG0.4% · +112%UBER0.4% · +30%FCX0.4% · +85%DDOG0.4% · +69%XOM0.4% · +1602%ADI0.4% · +76%CVS0.3% · +115%PANW0.3% · -10%KEYS0.3% · +52%LRCX0.3% · +87%UNH0.3% · -35%KO0.3% · +36%NEE0.3% · +89%BSX0.3% · +61%CVX0.3% · +26%SCHW0.3% · +68%PNC0.3% · +8%ROIV0.3% · -12%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 38.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 459 →

Top Trims

Show all 461 →

New Positions

Show all 80 →

Exited Positions

Show all 146 →

Assenagon Asset Management S.A. Holdings (2026-09-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 AMAZON COM INC AMZN 023135106 $6.52B 6.30% 26,153,008 SH
2 APPLE INC AAPL 037833100 $6.43B 6.22% 19,313,956 SH
3 MICROSOFT CORP MSFT 594918104 $4.97B 4.81% 9,696,475 SH
4 NVIDIA CORPORATION NVDA 67066G104 $4.61B 4.46% 20,166,206 SH
5 INTEL CORP INTC 458140100 $3.63B 3.51% 30,214,769 SH
6 ADVANCED MICRO DEVICES INC AMD 007903107 $3.09B 2.99% 5,052,148 SH
7 MICRON TECHNOLOGY INC MU 595112103 $2.99B 2.89% 2,805,455 SH
8 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $2.27B 2.20% 4,558,653 SH
9 ALPHABET INC GOOGL 02079K305 $2.04B 1.97% 5,926,654 SH
10 ALPHABET INC GOOG 02079K107 $1.89B 1.83% 5,541,890 SH
11 TESLA INC TSLA 88160R101 $1.47B 1.42% 4,149,216 SH
12 SANDISK CORP SNDK 80004C200 $1.44B 1.40% 828,900 SH
13 QUALCOMM INC QCOM 747525103 $1.26B 1.21% 6,822,682 SH
14 WALMART INC WMT 931142103 $1.20B 1.16% 11,522,667 SH
15 SYNOPSYS INC SNPS 871607107 $1.19B 1.15% 2,729,988 SH
16 UBS GROUP AG UBS H42097107 $1.14B 1.11% 23,716,879 SH
17 NETFLIX INC. NFLX 64110L106 $1.12B 1.08% 16,111,438 SH
18 TEXAS INSTRS INC TXN 882508104 $1.12B 1.08% 3,990,292 SH
19 APPLE INC Put AAPL 037833950 $1.11B 1.08% 3,340,000 SH
20 KLA CORP KLAC 482480100 $1.09B 1.06% 5,614,990 SH
21 ELI LILLY & CO LLY 532457108 $908.2M 0.88% 784,936 SH
22 JOHNSON & JOHNSON JNJ 478160104 $791.8M 0.77% 2,990,726 SH
23 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $783.5M 0.76% 1,717,515 SH
24 HOME DEPOT INC HD 437076102 $770.4M 0.75% 2,707,961 SH
25 BANK OF AMER CORP Put — 060505954 $732.1M 0.71% 13,450,000 SH
26 ARISTA NETWORKS INC ANET 040413205 $695.2M 0.67% 3,414,924 SH
27 META PLATFORMS INC META 30303M102 $691.4M 0.67% 953,381 SH
28 BROADCOM INC AVGO 11135F101 $659.5M 0.64% 1,878,040 SH
29 VERTEX PHARMACEUTICALS INC VRTX 92532F100 $637.5M 0.62% 1,219,311 SH
30 INTUITIVE SURGICAL INC ISRG 46120E602 $633.5M 0.61% 1,557,940 SH
31 OREILLY AUTOMOTIVE INC ORLY 67103H107 $619.3M 0.60% 7,251,056 SH
32 JPMORGAN CHASE & CO Put JPMPJ 46625H950 $570.7M 0.55% 1,725,000 SH
33 PROCTER & GAMBLE CO PG 742718109 $566.8M 0.55% 3,901,666 SH
34 AIRBNB INC ABNB 009066101 $546.5M 0.53% 3,401,521 SH
35 ABBOTT LABORATORIES ABT 002824100 $512.7M 0.50% 5,187,488 SH
36 TJX COS INC NEW TJX 872540109 $489.2M 0.47% 3,697,534 SH
37 NU HLDGS LTD NU G6683N103 $484.4M 0.47% 38,263,897 SH
38 HUMANA INC HUM 444859102 $479.1M 0.46% 1,255,479 SH
39 COSTCO WHOLESALE CORPORATION COST 22160K105 $456.4M 0.44% 501,309 SH
40 AMGEN INC AMGN 031162100 $455.3M 0.44% 1,080,066 SH
41 REVOLUTION MEDICINES INC RVMD 76155X100 $447.7M 0.43% 2,181,185 SH
42 ABBVIE INC ABBV 00287Y109 $443.2M 0.43% 1,694,419 SH
43 TERADYNE INC TER 880770102 $430.8M 0.42% 1,074,459 SH
44 ASTRAZENECA PLC AZN G0593M107 $429.8M 0.42% 2,660,409 SH
45 APPLIED MATLS INC AMAT 038222105 $392.6M 0.38% 767,698 SH
46 COUPANG INC CPNG 22266T109 $389.8M 0.38% 28,102,139 SH
47 UBER TECHNOLOGIES INC UBER 90353T100 $382.0M 0.37% 5,575,602 SH
48 FREEPORT MCMORAN INC FCX 35671D857 $381.4M 0.37% 5,448,772 SH
49 DATADOG INC DDOG 23804L103 $378.9M 0.37% 1,383,638 SH
50 EXXONMOBIL HOLDINGS CORP XOM 30233Q108 $376.2M 0.36% 2,311,692 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-10-15 $103.35B 1,096 0001546007-26-000008
2026-06-30 2026-07-08 $80.18B 1,158 0001546007-26-000004
2026-06-30 2026-08-21 $80.20B 1,159 0001546007-26-000007
2026-03-31 2026-04-20 $65.87B 1,095 0001546007-26-000003
2025-12-31 2026-01-09 $72.64B 1,143 0001546007-26-000002
Filer Information
Address
AEROGOLF CENTER
1B HEIENHAFF
SENNINGERBERG, N4 1736
Phone
0035227049100
Filing Manager
Assenagon Asset Management S.A.
SENNINGERBERG, N4
Signatory
Dr. Dr. Heimo Ploessnig
Managing Director - Head of Legal & Compliance