13F INSTITUTION · CIK 0001546007 · 2026-Q2 · filed Aug 21, 2026

Assenagon Asset Management

ASSENAGON ASSET MANAGEMENT S.A.
$80.2B
13F long value · 2026-Q2
Positions1159
CategoryAsset Manager
Quarters tracked9
▲ #132 of 581 by 13F value
Size rank 8/10
55 NEW133 ADD224 2×+196 TRIM104 NEAR EXIT13 EXIT
Snapshot
Assenagon Asset Management's 13F portfolio at a glance — size, concentration and this quarter's activity.
13F value (AUM)
$80.2B
Positions
1159 (103 unmapped)
Top 100 weight
75.1%
Quarters tracked
9
Latest 13F filed
Aug 21, 2026
New positions
55
Exits / near-exits
117
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
$44.9B
2024-Q2
$54.3B
2024-Q3
$62.0B
2024-Q4
$59.9B
2025-Q1
$67.4B
2025-Q2
$73.1B
2025-Q3
$72.6B
2025-Q4
$65.9B
2026-Q1
$80.2B
2026-Q2
Top holdings — 2026-Q2
The fund's largest reported positions (PUT/CALL rows are option positions, reported separately). The 100 shown cover 75.1% of the portfolio.
TickerIssuerWeightValueSharesSince 2026-Q2
NVDA NVIDIA CORPORATION6.6%$5.3B26.3M+18.0%
AAPL APPLE INC5.6%$4.5B15.4M+14.9%
AMZN AMAZON COM INC5.3%$4.3B17.8M+6.0%
MSFT MICROSOFT CORP4.9%$3.9B10.4M+39.3%
AMD ADVANCED MICRO DEVICES INC3.9%$3.1B5.3M+9.5%
GOOG ALPHABET INC3.5%$2.8B7.9M-1.4%
INTC INTEL CORP2.8%$2.3B16.2M-11.0%
BRK-B BERKSHIRE HATHAWAY INC DEL2.1%$1.7B3.3M-5.5%
SNDK SANDISK CORP1.8%$1.4B621.8K-52.9%
GOOGL ALPHABET INC1.7%$1.4B3.9M-4.0%
TSLA TESLA INC1.7%$1.4B3.3M-12.9%
SNPS SYNOPSYS INC1.4%$1.1B2.5M+11.8%
— PUTAPPLE INC1.2%$995.4M3.4M—
— UBS GROUP AG1.0%$821.2M16.5M—
AVGO BROADCOM INC1.0%$793.2M2.1M-7.6%
Option positions — 2026-Q2
$2.5B across 7 put positions vs $616.6M across 7 call positions — put/call ratio 4.09. Values are notional — the market value of the shares the options reference.
TypeTickerIssuerUnderlying sharesNotional value% of 13F value
PUT—MICROSOFT CORP20.6M$2.5B3.1%
CALL—MICROSOFT CORP5.7M$616.6M0.8%
Quarterly changes — 2026-Q2
What Assenagon Asset Management opened, added, trimmed and exited this quarter, largest dollar moves first.
ActionTickerIssuerPrev sharesCurr sharesChangeValue Δ
ADDINTCINTEL CORP11.1M16.2M+45.5%+$1.8B
ADDNVDANVIDIA CORPORATION20.5M26.3M+28.6%+$1.7B
NEWSNDKSANDISK CORP—621.8K—+$1.4B
NEAR EXITCVXCHEVRON CORPORATION5.1M1.1M-78.1%-$878.2M
2×+GOOGLALPHABET INC1.9M3.9M+107.4%+$855.4M
TRIMLLYELI LILLY & CO1.6M501.0K-67.7%-$824.9M
2×+—UBS GROUP AG259.3K16.5M+6277.5%+$811.3M
ADDBRK-BBERKSHIRE HATHAWAY INC DEL2.3M3.3M+45.1%+$569.9M
NEWTSMTAIWAN SEMICONDUCTOR MANUFAC—1.0M—+$490.5M
TRIMBSXBOSTON SCIENTIFIC CORP10.1M4.2M-58.5%-$453.0M
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.
NVDA 6.6%
AAPL 5.6%
AMZN 5.3%
MSFT 4.9%
AMD 3.9%
GOOG 3.5%
INTC 2.8%
BRK-B 2.1%
SNDK — 1.8%
GOOGL 1.7%