Prospect Hill Management, LLC — 13F Holdings & Portfolio

CIK 1837320 · latest 13F-HR filed 2026-08-06

Prospect Hill Management, LLC manages $257.5M in 13F-reported U.S. long-equity assets across 14 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AAPL (56.85%), TSLA (16.46%), AMZN (4.89%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 8, and trimmed 4.

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.

Filer Information
Address
51 JFK PARKWAY
1ST FLOOR WEST
SHORT HILLS, NJ 07078
Phone
(908) 277-0159
Filing Manager
Prospect Hill Management, LLC
SHORT HILLS, NJ
Signatory
John McColgan
President
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AUM

$257.5M

Long-equity book

Holdings

14

Distinct positions

Period

2026-06-30

Filed 2026-08-06

Q/Q Activity

+0 / −0 / ↑8 / ↓4

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • APPLE INC$18.1M +14.1%
  • NVIDIA CORPORATION$6.8M +123.0%
  • TESLA INC$5.0M +13.3%
  • ALPHABET INC$2.0M +24.9%
  • ALPHABET INC$2.0M +23.2%
Show all 8 →

Top Trims

  • NETFLIX INC-$1.5M -24.6%
  • INTUITIVE SURGICAL INC-$823.3K -12.3%
  • BANK OF AMERICA CORP-$457.5K -8.0%
  • MASTERCARD INCORPORATED-$169.0K -5.4%
Show all 4 →

New Positions

  • No new positions this quarter.
Show all 0 →

Exited Positions

  • No exits this quarter.
Show all 0 →
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 APPLE INC AAPL 037833100 $146.4M 56.85% 505,842 SH
2 TESLA INC TSLA 88160R101 $42.4M 16.46% 100,786 SH
3 AMAZON COM INC AMZN 023135106 $12.6M 4.89% 52,793 SH
4 NVIDIA CORPORATION NVDA 67066G104 $12.4M 4.81% 61,843 SH
5 ALPHABET INC GOOG 02079K107 $10.6M 4.12% 30,020 SH
6 ALPHABET INC GOOGL 02079K305 $10.0M 3.89% 28,020 SH
7 INTUITIVE SURGICAL INC ISRG 46120E602 $5.9M 2.29% 14,825 SH
8 BANK OF AMERICA CORP BAC 060505104 $5.3M 2.05% 92,500 SH
9 NETFLIX INC NFLX 64110L106 $4.5M 1.76% 63,514 SH
10 MASTERCARD INCORPORATED MA 57636Q104 $3.0M 1.16% 5,800 SH
11 THERMO FISHER SCIENTIFIC INC TMO 883556102 $1.5M 0.58% 3,000 SH
12 META PLATFORMS INC META 30303M102 $1.3M 0.52% 2,380 SH
13 PALANTIR TECHNOLOGIES PLTR 69608A108 $1.2M 0.45% 9,950 SH
14 AMERICAN EXPRESS AXP 025816109 $465.1K 0.18% 1,375 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-06 $257.5M 14 0001837320-26-000003
2026-03-31 2026-05-06 $224.4M 14 0001837320-26-000002
2025-12-31 2026-01-29 $247.4M 13 0001837320-26-000001