Institutional Manager · CIK 0000902464
GILDER GAGNON HOWE & CO LLC
New York, NY · File #028-03455
Latest AUM
$9.47B
Positions
250
Top-10 Concentration
45.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | NETFLIX INC | NFLX | +3,916,382 | +$367.2M | -$496.2M |
| ADD | REDDIT INC | RDDT | +352,105 | +$80.9M | -$7,133 |
| REDUCE | PROCORE TECHNOLOGIES INC | PCOR | -1,023,734 | -$74.5M | -$186,974 |
| NEW | GRUPO AEROMEXICO SAB DE CV | 40054J109 | +2,676,925 | +$58.8M | $0 |
| NEW | SPHERE ENTERTAINMENT CO | SPHR | +561,146 | +$53.4M | $0 |
| REDUCE | ROKU INC | ROKU | -484,412 | -$52.6M | +$8.1M |
| REDUCE | FIGURE TECHNOLOGY SOLUTIO | FGRS | -1,267,206 | -$51.8M | +$14.6M |
| ADD | ECHOSTAR CORP | SATS | +305,205 | +$33.2M | +$20.2M |
| EXITED | DICKS SPORTING GOODS INC | 253393102 | -149,279 | -$33.2M | $0 |
| REDUCE | NATERA INC | NTRA | -130,697 | -$29.9M | +$65.3M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025250 pos · $9.47B
- 13F HOLDINGS REPORTQ/E Sep 2025249 pos · $9.81B
- 13F HOLDINGS REPORTQ/E Jun 2025238 pos · $9.42B
- 13F HOLDINGS REPORTQ/E Mar 2025233 pos · $7.66B
- 13F HOLDINGS REPORTQ/E Dec 2024254 pos · $9.27B
- 13F HOLDINGS REPORTQ/E Sep 2024250 pos · $8.36B
- 13F HOLDINGS REPORTQ/E Jun 2024251 pos · $7.98B
- 13F HOLDINGS REPORTQ/E Mar 2024257 pos · $8.00B
- 13F HOLDINGS REPORTQ/E Dec 2023258 pos · $6.57B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | NVDA | 2,579,709 | $481.1M | 6.73% |
| 2 | AMAZON COM INC | AMZN | 1,799,609 | $415.4M | 5.81% |
| 3 | NETFLIX INC | NFLX | 4,365,376 | $409.3M | 5.73% |
| 4 | SHOPIFY INC | SHOP | 2,178,396 | $350.7M | 4.91% |
| 5 | CLOUDFLARE INC | NET | 1,754,461 | $345.9M | 4.84% |
| 6 | TESLA INC | TSLA | 726,497 | $326.7M | 4.57% |
| 7 | META PLATFORMS INC | META | 410,257 | $270.8M | 3.79% |
| 8 | INTUITIVE SURGICAL INC | ISRG | 473,545 | $268.2M | 3.75% |
| 9 | NATERA INC | NTRA | 828,300 | $189.8M | 2.66% |
| 10 | QUANTA SVCS INC | 74762E102 | 373,367 | $157.6M | 2.20% |
| 11 | TOAST INC | TOST | 4,390,564 | $155.9M | 2.18% |
| 12 | ALPHABET INC | GOOG | 485,809 | $152.1M | 2.13% |
| 13 | EMBRAER S.A. | EMBJ | 2,323,295 | $149.6M | 2.09% |
| 14 | TKO GROUP HOLDINGS INC | TKO | 694,600 | $145.2M | 2.03% |
| 15 | MICRON TECHNOLOGY INC | MU | 496,334 | $141.7M | 1.98% |
| 16 | ROBLOX CORP | RBLX | 1,702,110 | $137.9M | 1.93% |
| 17 | SITIME CORP | SITM | 371,294 | $131.1M | 1.83% |
| 18 | ARCUTIS BIOTHERAPEUTICS INC | ARQT | 4,453,856 | $129.3M | 1.81% |
| 19 | ALNYLAM PHARMACEUTICALS INC | ALNY | 319,305 | $127.0M | 1.78% |
| 20 | ALPHABET INC | GOOG | 389,782 | $122.3M | 1.71% |