GILDER GAGNON HOWE & CO LLC — 13F Holdings & Portfolio

CIK 902464 · latest 13F-HR filed 2026-05-15

GILDER GAGNON HOWE & CO LLC manages $8.34B in 13F-reported U.S. long-equity assets across 252 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVDA (5.30%), NFLX (4.84%), NET (4.40%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 35 new positions, exited 33, added to 61, and trimmed 132.

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

$8.34B

Long-equity book

Holdings

252

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+35 / −33 / ↑61 / ↓132

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • ENPHASE ENERGY INC$80.1M +7603.0%
  • QUANTA SVCS INC$47.6M +30.2%
  • ECHOSTAR CORP$36.4M +36.0%
  • ELBIT SYS LTD$32.9M +53.2%
  • TOWER SEMICONDUCTOR LTD$27.3M +49.3%
Show all 61

Top Trims

  • BOSTON SCIENTIFIC CORP-$101.9M -99.2%
  • TESLA INC-$96.3M -29.5%
  • SHOPIFY INC-$95.1M -27.1%
  • INTUITIVE SURGICAL INC-$61.0M -22.7%
  • APPFOLIO INC-$55.7M -57.1%
Show all 132

New Positions

  • MDA SPACE LTD$48.9M
  • NLIGHT INC$44.8M
  • LIVE OAK BANCSHARES INC$39.5M
  • INTEL CORP$23.0M
  • LEGENCE CORP$11.2M
Show all 35

Exited Positions

  • CROWDSTRIKE HLDGS INC$38.3M
  • UNITY SOFTWARE INC$32.3M
  • TWILIO INC$20.3M
  • SNOWFLAKE INC$11.3M
  • ROIVANT SCIENCES LTD$10.5M
Show all 33
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 $441.7M 5.30% 2,532,418 SH
2 NETFLIX INC. NFLX 64110L106 $403.0M 4.84% 4,191,843 SH
3 CLOUDFLARE INC NET 18915M107 $366.9M 4.40% 1,778,168 SH
4 AMAZON COM INC AMZN 023135106 $364.9M 4.38% 1,751,990 SH
5 SHOPIFY INC SHOP 82509L107 $255.6M 3.07% 2,154,743 SH
6 TESLA INC TSLA 88160R101 $230.4M 2.76% 619,700 SH
7 META PLATFORMS INC META 30303M102 $225.5M 2.70% 394,067 SH
8 INTUITIVE SURGICAL INC ISRG 46120E602 $207.2M 2.49% 449,557 SH
9 QUANTA SVCS INC PWR 74762E102 $205.2M 2.46% 373,698 SH
10 NATERA INC NTRA 632307104 $151.0M 1.81% 755,275 SH
11 ALPHABET INC GOOGL 02079K305 $137.7M 1.65% 478,792 SH
12 ECHOSTAR CORP SATS 278768106 $137.4M 1.65% 1,173,977 SH
13 MICRON TECHNOLOGY INC MU 595112103 $130.3M 1.56% 385,605 SH
14 EMBRAER S.A. EMBJ 29082A107 $125.8M 1.51% 2,119,373 SH
15 ALPHABET INC GOOG 02079K107 $120.4M 1.44% 419,748 SH
16 QXO INC QXO 82846H405 $116.3M 1.40% 5,988,681 SH
17 TKO GROUP HOLDINGS INC TKO 87256C101 $113.9M 1.37% 564,911 SH
18 NEW YORK TIMES CO MTN BE NYT 650111107 $113.6M 1.36% 1,356,477 SH
19 SITIME CORP SITM 82982T106 $112.6M 1.35% 326,068 SH
20 TOAST INC TOST 888787108 $107.9M 1.29% 4,069,162 SH
21 SHAKE SHACK INC SHAK 819047101 $102.2M 1.23% 1,155,577 SH
22 ARCUTIS BIOTHERAPEUTICS INC ARQT 03969K108 $101.4M 1.22% 4,304,010 SH
23 SHARKNINJA INC SN G8068L108 $101.4M 1.22% 957,107 SH
24 ROBINHOOD MKTS INC HOOD 770700102 $100.3M 1.20% 1,447,235 SH
25 NEBIUS GROUP N.V. NBIS N97284108 $98.7M 1.18% 951,093 SH
26 ARISTA NETWORKS INC ANET 040413205 $97.9M 1.17% 797,221 SH
27 MERCADOLIBRE INC MELI 58733R102 $96.1M 1.15% 55,552 SH
28 ROBLOX CORP RBLX 771049103 $95.1M 1.14% 1,680,558 SH
29 ELBIT SYS LTD ESLT M3760D101 $94.8M 1.14% 111,684 SH
30 ALNYLAM PHARMACEUTICALS INC ALNY 02043Q107 $92.7M 1.11% 280,092 SH
31 BBB FOODS INC TBBB G0896C103 $90.3M 1.08% 2,554,224 SH
32 GAP INC GAP 364760108 $88.9M 1.07% 3,672,048 SH
33 FRANCO NEV CORP FNV 351858105 $83.4M 1.00% 337,700 SH
34 TOWER SEMICONDUCTOR LTD TSEM M87915274 $82.7M 0.99% 471,466 SH
35 ENPHASE ENERGY INC ENPH 29355A107 $81.2M 0.97% 2,146,391 SH
36 SPHERE ENTERTAINMENT CO SPHR 55826T102 $65.9M 0.79% 561,457 SH
37 FIGURE TECHNOLOGY SOLUTIO FIGR 349381103 $65.5M 0.79% 1,930,651 SH
38 SIRIUSPOINT LTD SPNT G8192H106 $63.5M 0.76% 2,945,802 SH
39 ARM HOLDINGS PLC ARM 042068205 $61.8M 0.74% 408,257 SH
40 LPL FINL HLDGS INC LPLA 50212V100 $58.6M 0.70% 194,726 SH
41 POOL CORP POOL 73278L105 $57.0M 0.68% 281,950 SH
42 CBOE GLOBAL MKTS INC CBOE 12503M108 $57.0M 0.68% 202,940 SH
43 SPOTIFY TECHNOLOGY S A SPOT L8681T102 $57.0M 0.68% 117,482 SH
44 AIRBNB INC ABNB 009066101 $53.6M 0.64% 424,679 SH
45 RIVIAN AUTOMOTIVE INC RIVN 76954A103 $53.4M 0.64% 3,547,581 SH
46 BOOT BARN HLDGS INC BOOT 099406100 $50.9M 0.61% 347,787 SH
47 REDDIT INC RDDT 75734B100 $50.7M 0.61% 376,189 SH
48 DUOLINGO INC DUOL 26603R106 $50.1M 0.60% 508,550 SH
49 ACCELERANT HOLDINGS ARX G00894108 $50.0M 0.60% 3,743,364 SH
50 MDA SPACE LTD MDA 55293N109 $48.9M 0.59% 1,932,161 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-15 $8.34B 252 0001172661-26-002064
2025-12-31 2026-02-17 $9.47B 250 0001172661-26-000858
2025-09-30 2025-11-14 $9.81B 249 0001172661-25-004939