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13F holdings

Assenagon Asset Management S.A. portfolio

Managed by . 1,074 reported positions worth $62.6B as of 2026-03-31, filed with the SEC on 2026-04-20. Parsed from the filing itself, not a reseller.

$62.6B
Book value
1,074
Positions
41%
Top 10 weight
+96
New this quarter
-142
Exited
134 days
Age today
How old this actually is

Every position on this page is a snapshot of 2026-03-31. It was already 20 days old on 2026-04-20, the day it first became public. Today it is 134 days old.

That lag is the law, not a service level — Rule 13f-1 gives managers 45 days after quarter end to file, and no product can shorten it. A fund can have sold every share below before you read this sentence. Treat it as a record of what happened, never as a position you can follow.

What changed

Positions opened and closed

Against its 2025-12-31 filing. This is the part worth reading — the holdings table below is mostly years old.

New positions (96)
TickerIssuerValueShares% of book
AZNASTRAZENECA PLC$182.8M929,3110.29%
WBSWEBSTER FINL CORP$109.8M1,581,0210.18%
JAZZJAZZ PHARMACEUTICALS PLC$60.5M320,0000.10%
AAALCOA CORP$32.8M493,7560.05%
HAFNHAFNIA LTD$32.2M4,206,2680.05%
SUPNSUPERNUS PHARMACEUTICALS$27.4M530,6180.04%
CDWCDW CORP$26.7M220,4910.04%
HCCWARRIOR MET COAL INC$21.2M227,9850.03%
KMPRKEMPER CORP$18.1M591,4340.03%
LUVSOUTHWEST AIRLS CO$17.4M462,9030.03%
UNMUNUM GROUP$16.9M231,5860.03%
HLIHOULIHAN LOKEY INC$16.9M117,6050.03%
CLFCLEVELAND-CLIFFS INC NEW$16.5M1,953,8350.03%
PBIPITNEY BOWES INC$16.4M1,484,4360.03%
FNBF N B CORP$15.8M947,4150.03%
ALGTALLEGIANT TRAVEL CO$11.8M145,3730.02%
HDBHDFC BANK LTD$11.8M472,4570.02%
ORRFORRSTOWN FINL SVCS INC$10.7M297,7630.02%
MODMODINE MFG CO$9.8M45,0050.02%
FULCFULCRUM THERAPEUTICS INC$9.2M1,193,8730.01%
PRDOPERDOCEO ED CORP$9.0M243,0370.01%
HEIHEICO CORP NEW$8.9M32,3890.01%
UVSPUNIVEST FINANCIAL CORPORATIO$8.8M257,4030.01%
LYBLYONDELLBASELL INDUSTRIES NV$8.5M105,9770.01%
SSLSASOL LTD$8.0M618,4130.01%
Closed out (142)
TickerIssuerWas worthShares% of book
PRAXPRAXIS PRECISION MEDICINES I$120.5M408,7870.00%
DAYDAYFORCE INC$117.9M1,704,5640.00%
AZNNASTRAZENECA PLC$72.4M787,0840.00%
WKWORKIVA INC$63.8M740,1020.00%
CCKCROWN HLDGS INC$54.8M532,5850.00%
CECELANESE CORP DEL$51.6M1,219,9290.00%
EXKEXACT SCIENCES CORP$47.8M471,1340.00%
JDJD.COM INC$32.6M1,135,7000.00%
NMRKNEWMARK GROUP INC$27.8M1,604,3260.00%
VNOMVIPER ENERGY INC$26.7M690,7560.00%
CINFCINCINNATI FINL CORP$21.3M130,6120.00%
BABAALIBABA GROUP HLDG LTD$20.8M141,7030.00%
SBSWSIBANYE STILLWATER LTD$20.3M1,427,0320.00%
BROSDUTCH BROS INC$19.7M321,9100.00%
CPACOPA HOLDINGS SA$18.8M155,9820.00%
ALSNALLISON TRANSMISSION HLDGS I$18.5M188,9690.00%
SLNOEURSOLENO THERAPEUTICS INC$17.8M384,1660.00%
MMSMAXIMUS INC$15.7M181,5650.00%
WSCWILLSCOT HLDGS CORP$13.9M736,1580.00%
WMGWARNER MUSIC GROUP CORP$13.6M442,7080.00%
HTOH2O AMERICA$13.6M276,8410.00%
AVAAVISTA CORP$13.3M343,9890.00%
PRGPROG HOLDINGS INC$13.2M447,1920.00%
AFGAMERICAN FINL GROUP INC OHIO$12.7M93,2700.00%
MCMOELIS & CO$12.5M182,1470.00%
Added to (423)
TickerIssuerValueShares% of bookShares Δ
MSFTMICROSOFT CORP$5.1B13,647,9488.07%+27%
AMZNAMAZON COM INC$4.3B20,521,7836.83%+1%
GOOGALPHABET INC$2.6B8,950,7944.10%+33%
TSLATESLA INC$1.5B3,937,8562.34%+78%
LLYELI LILLY & CO$1.4B1,550,2342.28%+354%
BRK/BBERKSHIRE HATHAWAY INC DEL$1.1B2,307,6661.77%+30%
CVXCHEVRON CORPORATION$1.1B5,148,7561.70%+133%
METAMETA PLATFORMS INC$884.0M1,545,1581.41%+75%
ISRGINTUITIVE SURGICAL INC$804.4M1,745,0081.29%+14%
NFLXNETFLIX INC.$768.3M7,990,3431.23%+28%
SNPSSYNOPSYS INC$697.9M1,760,2561.12%+48%
BSXBOSTON SCIENTIFIC CORP$631.1M10,057,9361.01%+134%
NUNU HLDGS LTD$467.5M32,535,0910.75%+18%
ABTABBOTT LABORATORIES$454.8M4,429,5710.73%+303%
LRCXLAM RESEARCH CORP$452.2M2,116,2330.72%+1994%
Trimmed (490)
TickerIssuerValueShares% of bookShares Δ
FEFIRSTENERGY CORP$406,9018,0320.00%-99%
CMSCMS ENERGY CORP$380,6074,9060.00%-99%
PRMBPRIMO BRANDS CORPORATION$274,07114,5550.00%-99%
AMEAMETEK INC$1.2M5,6910.00%-99%
AEEAMEREN CORP$653,2555,9430.00%-99%
CARRCARRIER GLOBAL CORPORATION$1.7M30,5740.00%-99%
MNDYMONDAY COM LTD$510,5857,3880.00%-98%
HO1HOLOGIC INC$775,02410,2530.00%-98%
CWCURTISS WRIGHT CORP$488,3637170.00%-98%
TVTXTRAVERE THERAPEUTICS INC$235,5117,9270.00%-98%
FISFIDELITY NATL INFORMATION SV$511,83510,9110.00%-98%
FTSFORTIS INC$1.1M19,0520.00%-98%
SLBSLB LIMITED$5.9M114,8150.01%-98%
BIDUBAIDU INC$293,2572,6320.00%-98%
CAGCONAGRA BRANDS INC$251,61416,0060.00%-98%
The book

Largest 150 of 1,074 holdings

TickerIssuerValueShares% of bookShares Δ
MSFTMICROSOFT CORP$5.1B13,647,9488.07%
AMZNAMAZON COM INC$4.3B20,521,7836.83%
AAPLAPPLE INC$4.2B16,544,6176.71%
NVDANVIDIA CORPORATION$3.6B20,486,7185.71%
GOOGALPHABET INC$2.6B8,950,7944.10%
TSLATESLA INC$1.5B3,937,8562.34%
LLYELI LILLY & CO$1.4B1,550,2342.28%
BRK/BBERKSHIRE HATHAWAY INC DEL$1.1B2,307,6661.77%
CVXCHEVRON CORPORATION$1.1B5,148,7561.70%
AMDADVANCED MICRO DEVICES INC$959.0M4,713,9071.53%
METAMETA PLATFORMS INC$884.0M1,545,1581.41%
ISRGINTUITIVE SURGICAL INC$804.4M1,745,0081.29%
NFLXNETFLIX INC.$768.3M7,990,3431.23%
SNPSSYNOPSYS INC$697.9M1,760,2561.12%
BSXBOSTON SCIENTIFIC CORP$631.1M10,057,9361.01%
AMATAPPLIED MATLS INC$586.3M1,715,2420.94%
MELIMERCADOLIBRE INC$573.3M331,5530.92%
GOOGLALPHABET INC$542.3M1,885,8940.87%
COSTCOSTCO WHOLESALE CORPORATION$507.9M509,6850.81%
INTCINTEL CORP$489.8M11,098,0430.78%
NUNU HLDGS LTD$467.5M32,535,0910.75%
ABTABBOTT LABORATORIES$454.8M4,429,5710.73%
LITELUMENTUM HLDGS INC$452.8M644,2620.72%
LRCXLAM RESEARCH CORP$452.2M2,116,2330.72%
AVGOBROADCOM INC$435.4M1,406,6840.70%
TERTERADYNE INC$431.4M1,455,1430.69%
EXMOCEXXON MOBIL CORP$412.6M2,432,1160.66%
RTXRTX CORPORATION$344.0M1,783,5280.55%
GLWCORNING INC$323.3M2,377,9020.52%
CPNGCOUPANG INC$323.2M17,117,5830.52%
FCXFREEPORT MCMORAN INC$309.0M5,257,4700.49%
PHPARKER-HANNIFIN CORP$305.0M340,7270.49%
PGPROCTER & GAMBLE CO$295.2M2,043,5190.47%
ABBVABBVIE INC$293.4M1,349,0440.47%
TXNTEXAS INSTRS INC$285.9M1,472,5580.46%
ADBEADOBE INC$282.8M1,163,4790.45%
ORLYOREILLY AUTOMOTIVE INC$280.1M3,034,1040.45%
PNCPNC FINL SVCS GROUP INC$276.9M1,330,6870.44%
ABNBAIRBNB INC$263.6M2,087,3250.42%
JNJJOHNSON & JOHNSON$253.5M1,037,0720.41%
VALEVALE S A$249.2M15,663,6410.40%
VRTXVERTEX PHARMACEUTICALS INC$239.9M537,2480.38%
TJXTJX COS INC NEW$239.7M1,501,1940.38%
DASHDOORDASH INC$229.5M1,528,2180.37%
KLACKLA CORP$228.3M155,0230.36%
COPCONOCOPHILLIPS$225.6M1,708,8280.36%
PDDPDD HOLDINGS INC$224.2M2,193,9180.36%
EMEEMCOR GROUP INC$214.2M290,0630.34%
WABWABTEC$212.9M851,7330.34%
CBRECBRE GROUP INC$211.5M1,561,5930.34%
GRABGRAB HOLDINGS LIMITED$201.0M54,906,3710.32%
ROIVROIVANT SCIENCES LTD$196.0M7,076,4880.31%
COFCAPITAL ONE FINL CORP$194.5M1,066,0360.31%
SCHWSCHWAB CHARLES CORP$193.0M2,053,2080.31%
CRMSALESFORCE INC$191.1M1,023,9360.31%
AZNASTRAZENECA PLC$182.8M929,3110.29%
UBERUBER TECHNOLOGIES INC$176.6M2,455,7980.28%
CTASCINTAS CORP$173.6M1,026,5850.28%
PFEPFIZER INC$170.5M6,073,1700.27%
ALGNALIGN TECHNOLOGY INC$169.6M989,3880.27%
WMTWALMART INC$163.2M1,312,9050.26%
ORCLORACLE CORP$161.5M1,097,5590.26%
HLTHILTON WORLDWIDE HLDGS INC$161.4M530,7270.26%
REGNREGENERON PHARMACEUTICALS$160.5M207,7880.26%
UNHUNITEDHEALTH GROUP INC$159.4M589,2410.25%
ARANTERO RESOURCES CORP$153.3M3,611,2480.24%
KOCOCA COLA CO$150.6M1,980,0460.24%
AEPAMERICAN ELEC PWR CO INC$149.7M1,142,0500.24%
TMHC*TAYLOR MORRISON HOME CORP$148.8M2,554,4980.24%
AXSMAXSOME THERAPEUTICS INC.$146.4M865,9580.23%
NOWSERVICENOW INC$145.1M1,388,2430.23%
CIENCIENA CORP$141.5M364,5470.23%
MRVLMARVELL TECHNOLOGY INC$137.8M1,391,6230.22%
HWMHOWMET AEROSPACE INC$137.1M594,8510.22%
ADIANALOG DEVICES INC$134.1M421,6530.21%
CITHE CIGNA GROUP$131.2M491,9420.21%
DARDARLING INGREDIENTS INC$129.4M2,091,9600.21%
TMUST-MOBILE US INC$129.0M614,4190.21%
PCORPROCORE TECHNOLOGIES INC$128.4M2,251,9810.21%
CNCCENTENE CORP DEL$125.2M3,825,2750.20%
TTWOTAKE-TWO INTERACTIVE SOFTWAR$125.0M633,0080.20%
ANETARISTA NETWORKS INC$123.2M1,003,5130.20%
AMGNAMGEN INC$121.3M344,7450.19%
VRSNVERISIGN INC$120.3M484,5510.19%
DUKDUKE ENERGY CORP NEW$117.1M894,0660.19%
CZRCAESARS ENTERTAINMENT INC NE$115.2M4,359,9460.18%
AERAERCAP HOLDINGS NV$114.6M835,6570.18%
BLKBLACKROCK INC$112.4M116,8900.18%
LBRDKLIBERTY BROADBAND CORP$112.0M2,227,1970.18%
KVUEKENVUE INC$110.4M6,403,5760.18%
ROKUROKU INC$110.0M1,162,0510.18%
WBSWEBSTER FINL CORP$109.8M1,581,0210.18%
CCL1EURCARNIVAL CORP$108.9M4,206,9410.17%
MAMASTERCARD INCORPORATED$108.6M217,2870.17%
BMRNBIOMARIN PHARMACEUTICAL INC$108.5M1,920,6580.17%
UNPUNION PAC CORP$108.3M446,2270.17%
DXCMDEXCOM INC$108.0M1,719,2490.17%
NEENEXTERA ENERGY INC$108.0M1,162,2690.17%
CENXCENTURY ALUM CO$107.4M1,830,3240.17%
MCDMCDONALDS CORP$106.0M340,9630.17%
CMGCHIPOTLE MEXICAN GRILL INC$105.1M3,283,2740.17%
MSCIMSCI INC$105.0M194,8580.17%
DDOGDATADOG INC$104.6M886,0410.17%
NSCNORFOLK SOUTHN CORP$103.5M360,4690.17%
KKRKKR & CO INC$103.2M1,116,0420.16%
DISDISNEY WALT CO$102.9M1,068,0250.16%
EWEDWARDS LIFESCIENCES CORP$101.4M1,265,7140.16%
MARMARRIOTT INTL INC NEW$100.6M307,6580.16%
PNWPINNACLE WEST CAP CORP$100.4M996,1530.16%
ONON SEMICONDUCTOR CORP$99.5M1,606,2740.16%
GPORGULFPORT ENERGY CORP$98.9M467,4190.16%
KEYSKEYSIGHT TECHNOLOGIES INC$96.9M343,0240.15%
ZTSZOETIS INC$96.4M815,4120.15%
GWREGUIDEWIRE SOFTWARE INC$94.0M628,7590.15%
GMGENERAL MTRS CO$93.9M1,260,3690.15%
CEGCONSTELLATION ENERGY CORP$93.0M332,9650.15%
MCKMCKESSON CORP$93.0M107,4380.15%
GEVGE VERNOVA INC$92.1M105,4610.15%
NVRNVR INC$91.7M13,9180.15%
TMOTHERMO FISHER SCIENTIFIC INC$91.6M186,4360.15%
HALHALLIBURTON CO$90.6M2,324,2330.14%
TARSTARSUS PHARMACEUTICALS INC$89.8M1,280,1940.14%
MRKMERCK & CO INC$89.4M743,2140.14%
AXTIAXT INC$85.8M1,505,3540.14%
ATIATI INC$85.0M584,0300.14%
SPOTSPOTIFY TECHNOLOGY S A$83.6M172,4090.13%
MTZMASTEC INC$82.1M255,2220.13%
CORCENCORA INC$80.3M255,5740.13%
GDDYGODADDY INC$80.2M970,5430.13%
IBKRINTERACTIVE BROKERS GROUP IN$80.0M1,192,7490.13%
FISVFISERV INC$79.1M1,418,3770.13%
ROSTROSS STORES INC$78.9M363,9960.13%
DECKDECKERS OUTDOOR CORP$75.9M758,1760.12%
PANWPALO ALTO NETWORKS INC$74.7M465,8450.12%
TTDTHE TRADE DESK INC$73.0M3,219,0460.12%
VRTVERTIV HOLDINGS CO$72.6M289,6550.12%
CMECME GROUP INC$72.5M245,6290.12%
NRGNRG ENERGY INC$72.0M492,7900.12%
HDHOME DEPOT INC$71.9M218,6280.11%
GILDGILEAD SCIENCES INC$71.4M512,4360.11%
MSGEMADISON SQUARE GARDEN ENTMT$71.3M1,210,7180.11%
MNSTMONSTER BEVERAGE CORP NEW$70.7M976,0340.11%
WTRGESSENTIAL UTILS INC$70.3M1,744,6790.11%
STNGSCORPIO TANKERS INC$68.6M918,2230.11%
SHWSHERWIN WILLIAMS CO$68.2M212,7260.11%
HASHASBRO INC$68.1M727,4070.11%
PCVXVAXCYTE INC$67.7M1,164,8130.11%
APGAPI GROUP CORP$66.8M1,647,5760.11%
MCHPMICROCHIP TECHNOLOGY INC.$65.4M1,011,9970.10%
EATBRINKER INTL INC$65.2M456,5650.10%

This table is the 150 largest positions by value, out of 1,074 reported. The search box only searches what is on this page — a name absent from it may still be in the filing further down the book. The full info table is here.

This manager also disclosed 21 options positions with a combined notional of $3.3B. Notional is not ownership, so it is excluded from the book value above rather than folded in to make the fund look bigger.

Rows are aggregated by CUSIP — a manager files the same security multiple times when different internal desks hold it. Tickers link to our own backtest of that asset where we cover it.

Read the original

This page was built from one document: the 2026-03-31 Form 13F info table filed by Assenagon Asset Management S.A. (CIK 1546007, accession 0001546007-26-000003). Every other 13F site is reading the same file.

If anything here disagrees with it, the filing wins — and we would want to know. All 13F filings by this manager

What a 13F cannot show you

A 13F is a long-only equity snapshot, and the holes in it are structural. Anyone selling you this data as "what the smart money is doing" is selling you one leg of a position:

  • No short positions. None, ever. A fund shown here as bullish may be net short the same name through a book you cannot see.
  • No cash, bonds, FX, commodities or non-US listings. A macro fund's entire thesis can be invisible.
  • No intra-quarter round trips. Bought and sold inside the same quarter means it never appears at all.
  • Options are notional, not ownership. We keep puts and calls in a separate bucket rather than adding their notional into a fund's book size, which is how a $2B fund gets reported as a $20B one.
  • Confidential treatment. Managers can ask the SEC to withhold a position while they build it. Those holdings are legally absent from the filing, so a "new" position may be months old.

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