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FRED ALGER MANAGEMENT, LLC — 13F Holdings & Portfolio

CIK 3520 · latest 13F-HR filed 2026-05-15

Backtest portfolio

FRED ALGER MANAGEMENT, LLC manages $22.77B in 13F-reported U.S. long-equity assets across 525 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVDA (12.49%), MSFT (8.09%), AMZN (6.51%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 64 new positions, exited 78, added to 119, and trimmed 213.

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

$22.77B

Long-equity book

Holdings

525

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+64 / −78 / ↑119 / ↓213

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • Nebius Group N.V. Class A$331.6M +49.9%
  • Western Digital Corporation$257.0M +55.6%
  • QXO, Inc.$127.9M +41.6%
  • Dianthus Therapeutics, Inc.$96.1M +6971.5%
  • Welltower Inc.$94.5M +856.5%
Show all 119 →

Top Trims

  • AppLovin Corp. Class A-$660.0M -58.6%
  • Microsoft Corporation-$569.1M -23.6%
  • Talen Energy Corp-$297.7M -44.0%
  • Meta Platforms Inc Class A-$280.7M -21.6%
  • Spotify Technology SA-$220.9M -82.0%
Show all 213 →

New Positions

  • AstraZeneca PLC$151.4M
  • Arista Networks, Inc.$83.8M
  • EquipmentShare.com, Inc. Class A$50.2M
  • Veeva Systems Inc Class A$39.1M
  • DigitalOcean Holdings, Inc.$29.6M
Show all 64 →

Exited Positions

  • AstraZeneca PLC Sponsored ADR$121.2M
  • Builders FirstSource, Inc.$38.7M
  • Cidara Therapeutics, Inc.$36.4M
  • Snowflake, Inc.$23.1M
  • Alibaba Group Holding Limited Sponsored ADR$19.7M
Show all 78 →
All Holdings

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 NVIDIA Corporation NVDA 67066G104 $2.84B 12.49% 16,310,824 SH
2 Microsoft Corporation MSFT 594918104 $1.84B 8.09% 4,977,211 SH
3 Amazon.com, Inc. AMZN 023135106 $1.48B 6.51% 7,114,178 SH
4 Apple Inc. AAPL 037833100 $1.17B 5.15% 4,619,851 SH
5 Alphabet Inc. Class C GOOG 02079K107 $1.10B 4.82% 3,823,140 SH
6 Meta Platforms Inc Class A META 30303M102 $1.01B 4.45% 1,772,671 SH
7 Nebius Group N.V. Class A NBIS N97284108 $986.3M 4.33% 9,506,045 SH
8 Broadcom Inc. AVGO 11135F101 $908.1M 3.99% 2,934,036 SH
9 Western Digital Corporation WDC 958102105 $719.5M 3.16% 2,659,835 SH
10 Tesla, Inc. TSLA 88160R101 $678.7M 2.98% 1,825,663 SH
11 AppLovin Corp. Class A APP 03831W108 $466.9M 2.05% 1,173,040 SH
12 QXO, Inc. QXO 82846H405 $435.1M 1.91% 22,404,712 SH
13 Talen Energy Corp TLN 87422Q109 $378.6M 1.66% 1,185,953 SH
14 Natera, Inc. NTRA 632307104 $346.2M 1.52% 1,731,080 SH
15 Astera Labs, Inc. ALAB 04626A103 $282.0M 1.24% 2,573,005 SH
16 GE Vernova Inc. GEV 36828A101 $280.9M 1.23% 321,601 SH
17 Sea Limited Sponsored ADR Class A SE 81141R100 $277.9M 1.22% 3,355,457 SH
18 GFL Environmental Inc GFL 36168Q104 $251.1M 1.10% 6,017,527 SH
19 Arrowhead Pharmaceuticals, Inc. ARWR 04280A100 $209.6M 0.92% 3,342,493 SH
20 HEICO Corporation Class A HEI.A 422806208 $202.9M 0.89% 961,365 SH
21 Netflix, Inc. NFLX 64110L106 $192.2M 0.84% 1,999,051 SH
22 Intuitive Surgical, Inc. ISRG 46120E602 $174.8M 0.77% 379,214 SH
23 MercadoLibre, Inc. MELI 58733R102 $157.5M 0.69% 91,107 SH
24 Roku, Inc. Class A ROKU 77543R102 $150.6M 0.66% 1,591,123 SH
25 Rocket Companies, Inc. Class A RKT 77311W101 $145.2M 0.64% 10,189,429 SH
26 AstraZeneca PLC AZN G0593M107 $137.5M 0.60% 696,989 SH
27 Biogen Inc. BIIB 09062X103 $134.4M 0.59% 733,194 SH
28 Figure Technology Solutions, Inc. Class A FIGR 349381103 $130.3M 0.57% 3,838,851 SH
29 Vertiv Holdings Co. Class A VRT 92537N108 $118.5M 0.52% 472,924 SH
30 Cloudflare Inc Class A NET 18915M107 $111.0M 0.49% 538,062 SH
31 Shopify, Inc. Class A SHOP 82509L107 $110.0M 0.48% 927,182 SH
32 Eli Lilly and Company LLY 532457108 $109.2M 0.48% 118,770 SH
33 MongoDB, Inc. Class A MDB 60937P106 $105.7M 0.46% 431,933 SH
34 Welltower Inc. WELL 95040Q104 $105.5M 0.46% 533,533 SH
35 Cardinal Health, Inc. CAH 14149Y108 $105.4M 0.46% 498,738 SH
36 Dianthus Therapeutics, Inc. DNTH 252828108 $97.5M 0.43% 1,161,923 SH
37 RBC Bearings Incorporated RBC 75524B104 $97.3M 0.43% 179,134 SH
38 Palantir Technologies Inc. Class A PLTR 69608A108 $95.2M 0.42% 651,134 SH
39 DuPont de Nemours, Inc. DD 26614N102 $92.7M 0.41% 2,024,564 SH
40 Boston Scientific Corporation BSX 101137107 $91.3M 0.40% 1,454,619 SH
41 Arista Networks, Inc. ANET 040413205 $83.8M 0.37% 682,773 SH
42 Johnson & Johnson JNJ 478160104 $81.8M 0.36% 334,592 SH
43 Robinhood Markets, Inc. Class A HOOD 770700102 $77.2M 0.34% 1,114,474 SH
44 NRG Energy, Inc. NRG 629377508 $72.6M 0.32% 497,083 SH
45 Alphabet Inc. Class A GOOGL 02079K305 $66.2M 0.29% 230,260 SH
46 Constellation Energy Corporation CEG 21037T109 $59.2M 0.26% 211,998 SH
47 Guardant Health, Inc. GH 40131M109 $57.5M 0.25% 622,259 SH
48 FTAI Aviation Ltd. FTAI G3730V105 $56.0M 0.25% 228,714 SH
49 SharkNinja, Inc. SN G8068L108 $54.0M 0.24% 509,518 SH
50 Repligen Corporation RGEN 759916109 $51.2M 0.23% 434,774 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-15 $22.77B 525 0001193125-26-226659
2025-12-31 2026-02-17 $25.50B 590 0001193125-26-052991
2025-09-30 2025-11-14 $25.69B 581 0001193125-25-282909