Alta Park Capital, LP — 13F Holdings & Portfolio
CIK 1621855 · latest 13F-HR filed 2026-05-15
Alta Park Capital, LP manages $641.7M in 13F-reported U.S. long-equity assets across 25 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NFLX (7.44%), NU (6.92%), AAPL (5.81%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 4 new positions, exited 14, added to 6, and trimmed 11.
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.
$641.7M
Long-equity book
25
Distinct positions
2026-03-31
Filed 2026-05-15
+4 / −14 / ↑6 / ↓11
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- NETFLIX INC.$16.9M +54.7%
- ASML HLDG NV$8.4M +43.5%
- TOWER SEMICONDUCTOR LTD$7.1M +36.7%
- MIRION TECHNOLOGIES INC$5.0M +37.9%
- APPLIED MATLS INC$3.0M +9.5%
Top Trims
- WESTERN DIGITAL CORP-$33.5M -49.5%
- SANDISK CORP-$13.9M -29.5%
- COMPASS INC-$13.2M -34.9%
- NU HLDGS LTD-$12.2M -21.6%
- META PLATFORMS INC-$12.1M -34.9%
New Positions
- APPLE INC$37.3M
- LUMENTUM HLDGS INC$22.5M
- COHERENT CORP$22.4M
- LIVE NATION ENTERTAINMENT IN$18.3M
Exited Positions
- AppLovin Corp$35.2M
- Semtech Corp$20.9M
- Shopify Inc$20.2M
- Carvana Co$19.2M
- Rubrik Inc$18.9M
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 | NETFLIX INC. | NFLX | 64110L106 | $47.8M | 7.44% | 496,791 | SH |
| 2 | NU HLDGS LTD | NU | G6683N103 | $44.4M | 6.92% | 3,092,081 | SH |
| 3 | APPLE INC | AAPL | 037833100 | $37.3M | 5.81% | 147,004 | SH |
| 4 | APPLIED MATLS INC | AMAT | 038222105 | $34.7M | 5.41% | 101,510 | SH |
| 5 | WESTERN DIGITAL CORP | WDC | 958102105 | $34.2M | 5.34% | 126,583 | SH |
| 6 | SANDISK CORP | SNDK | 80004C200 | $33.1M | 5.16% | 52,132 | SH |
| 7 | NVIDIA CORPORATION | NVDA | 67066G104 | $31.8M | 4.96% | 182,561 | SH |
| 8 | ASML HLDG NV | ASML | N07059210 | $27.9M | 4.34% | 21,098 | SH |
| 9 | TERADYNE INC | TER | 880770102 | $27.7M | 4.32% | 93,536 | SH |
| 10 | TOWER SEMICONDUCTOR LTD | TSEM | M87915274 | $26.6M | 4.15% | 151,666 | SH |
| 11 | PALO ALTO NETWORKS INC | PANW | 697435105 | $25.7M | 4.01% | 160,554 | SH |
| 12 | COMPASS INC | COMP | 20464U100 | $24.8M | 3.86% | 3,386,522 | SH |
| 13 | SPOTIFY TECHNOLOGY S A | SPOT | L8681T102 | $23.2M | 3.61% | 47,758 | SH |
| 14 | LUMENTUM HLDGS INC | LITE | 55024U109 | $22.5M | 3.51% | 32,078 | SH |
| 15 | META PLATFORMS INC | META | 30303M102 | $22.5M | 3.50% | 39,285 | SH |
| 16 | COHERENT CORP | COHR | 19247G107 | $22.4M | 3.49% | 94,063 | SH |
| 17 | SENTINELONE INC | S | 81730H109 | $21.3M | 3.32% | 1,655,332 | SH |
| 18 | ONTO INNOVATION INC | ONTO | 683344105 | $20.9M | 3.25% | 101,732 | SH |
| 19 | MARVELL TECHNOLOGY INC Call | MRVL | 573874104 | $19.8M | 3.09% | 200,000 | SH |
| 20 | BROADCOM INC | AVGO | 11135F101 | $19.2M | 2.98% | 61,884 | SH |
| 21 | LIVE NATION ENTERTAINMENT IN | LYV | 538034109 | $18.3M | 2.86% | 120,218 | SH |
| 22 | MIRION TECHNOLOGIES INC | MIR | 60471A101 | $18.2M | 2.83% | 977,138 | SH |
| 23 | TWILIO INC | TWLO | 90138F102 | $14.9M | 2.31% | 118,027 | SH |
| 24 | MERCADOLIBRE INC | MELI | 58733R102 | $14.8M | 2.31% | 8,559 | SH |
| 25 | NETSKOPE INC | NTSK | 64119N608 | $7.7M | 1.20% | 909,091 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $641.7M | 25 | 0000935836-26-000251 |
| 2025-12-31 | 2026-02-17 | $831.1M | 34 | 0000935836-26-000102 |
| 2025-09-30 | 2025-11-14 | $1.14B | 40 | 0000935836-25-000676 |