Prospect Hill Management, LLC — 13F Holdings & Portfolio
CIK 1837320 · latest 13F-HR filed 2026-05-06
Prospect Hill Management, LLC manages $224.4M in 13F-reported U.S. long-equity assets across 14 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AAPL (57.18%), TSLA (16.67%), AMZN (4.90%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 0, added to 0, and trimmed 12.
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.
$224.4M
Long-equity book
14
Distinct positions
2026-03-31
Filed 2026-05-06
+1 / −0 / ↑0 / ↓12
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Trims
- APPLE INC-$9.3M -6.7%
- TESLA INC-$7.8M -17.2%
- INTUITIVE SURGICAL INC-$1.5M -17.9%
- AMAZON COM INC-$1.2M -9.7%
- MASTERCARD INCORPORATED-$933.9K -22.9%
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 | APPLE INC | AAPL | 037833100 | $128.3M | 57.18% | 505,476 | SH |
| 2 | TESLA INC | TSLA | 88160R101 | $37.4M | 16.67% | 100,616 | SH |
| 3 | AMAZON COM INC | AMZN | 023135106 | $11.0M | 4.90% | 52,743 | SH |
| 4 | ALPHABET INC | GOOG | 02079K107 | $8.6M | 3.84% | 30,020 | SH |
| 5 | ALPHABET INC | GOOGL | 02079K305 | $8.0M | 3.57% | 27,870 | SH |
| 6 | INTUITIVE SURGICAL INC | ISRG | 46120E602 | $6.7M | 2.99% | 14,575 | SH |
| 7 | NETFLIX INC | NFLX | 64110L106 | $6.0M | 2.68% | 62,513 | SH |
| 8 | BANK OF AMERICA CORP | BAC | 060505104 | $5.7M | 2.55% | 117,500 | SH |
| 9 | NVIDIA CORPORATION | NVDA | 67066G104 | $5.5M | 2.47% | 31,813 | SH |
| 10 | MASTERCARD INCORPORATED | MA | 57636Q104 | $3.1M | 1.40% | 6,300 | SH |
| 11 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $1.5M | 0.66% | 3,000 | SH |
| 12 | META PLATFORMS INC | META | 30303M102 | $1.4M | 0.61% | 2,405 | SH |
| 13 | PALANTIR TECHNOLOGIES | PLTR | 69608A108 | $650.9K | 0.29% | 4,450 | SH |
| 14 | AMERICAN EXPRESS | AXP | 025816109 | $415.9K | 0.19% | 1,375 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-06 | $224.4M | 14 | 0001837320-26-000002 |
| 2025-12-31 | 2026-01-29 | $247.4M | 13 | 0001837320-26-000001 |