Skip to content
Disclosery

Prospect Hill Management, LLC

Follow

13F filer, CIK 1837320, SHORT HILLS, NJ

Prospect Hill Management, LLC reported $247,431,178 across 13 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-01-29. Its ten largest share positions make up 98.35% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001837320-26-000001

Period
2025-12-31
Reported value
$247M
Holdings
13
Top 10 weight
98.35%
New
0
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
NFLXadded+55,719$5.22M
METAadded+630$416K
AMZNadded+1,400$323K
TSLAadded+35$15.7K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
NXPIexited-5,600-$1.28M
AAPLreduced-1,100-$299K
ISRGreduced-375-$212K
TMOreduced-250-$145K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001837320-26-000001, largest first. % of portfolio is the value over $247,431,778, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 513,836 shares; 2024Q4: 512,031 shares; 2025Q1: 512,481 shares; 2025Q2: 506,986 shares; 2025Q3: 507,076 shares; 2025Q4: 505,976 shares 505,976$138M55.59%-1,100Timeline
TSLATESLA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 99,062 shares; 2024Q4: 99,022 shares; 2025Q1: 100,291 shares; 2025Q2: 100,317 shares; 2025Q3: 100,417 shares; 2025Q4: 100,452 shares 100,452$45.2M18.26%+35Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 51,818 shares; 2024Q4: 51,718 shares; 2025Q1: 51,643 shares; 2025Q2: 51,143 shares; 2025Q3: 51,293 shares; 2025Q4: 52,693 shares 52,693$12.2M4.92%+1,400Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 30,020 shares; 2024Q4: 30,020 shares; 2025Q1: 30,020 shares; 2025Q2: 30,020 shares; 2025Q3: 30,020 shares; 2025Q4: 30,020 shares 30,020$9.42M3.81%0Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 27,120 shares; 2024Q4: 27,120 shares; 2025Q1: 27,120 shares; 2025Q2: 27,120 shares; 2025Q3: 27,370 shares; 2025Q4: 27,370 shares 27,370$8.57M3.46%0Timeline
ISRGINTUITIVE SURGICAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 14,325 shares; 2024Q4: 14,325 shares; 2025Q1: 15,125 shares; 2025Q2: 15,075 shares; 2025Q3: 14,825 shares; 2025Q4: 14,450 shares 14,450$8.18M3.31%-375Timeline
BACBANK OF AMER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 280,000 shares; 2024Q4: 280,000 shares; 2025Q1: 189,448 shares; 2025Q2: 117,500 shares; 2025Q3: 117,500 shares; 2025Q4: 117,500 shares 117,500$6.46M2.61%0Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 25,650 shares; 2024Q4: 25,650 shares; 2025Q1: 31,909 shares; 2025Q2: 31,534 shares; 2025Q3: 31,834 shares; 2025Q4: 31,834 shares 31,834$5.94M2.4%0Timeline
NFLXNETFLIX INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,181 shares; 2024Q4: 6,181 shares; 2025Q1: 6,181 shares; 2025Q2: 6,176 shares; 2025Q3: 6,191 shares; 2025Q4: 61,910 shares 61,910$5.8M2.35%+55,719Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,400 shares; 2024Q4: 7,150 shares; 2025Q1: 7,150 shares; 2025Q2: 7,150 shares; 2025Q3: 7,150 shares; 2025Q4: 7,150 shares 7,150$4.08M1.65%0Timeline
TMOTHERMO FISHER SCIENTIFIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,250 shares; 2024Q4: 3,250 shares; 2025Q1: 3,250 shares; 2025Q2: 3,250 shares; 2025Q3: 3,250 shares; 2025Q4: 3,000 shares 3,000$1.74M0.7%-250Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 705 shares; 2024Q4: 705 shares; 2025Q1: 1,725 shares; 2025Q2: 1,725 shares; 2025Q3: 1,800 shares; 2025Q4: 2,430 shares 2,430$1.6M0.65%+630Timeline
AXPAMERICAN EXPRESS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 875 shares; 2024Q4: 875 shares; 2025Q1: 2,000 shares; 2025Q2: 2,000 shares; 2025Q3: 2,000 shares; 2025Q4: 2,000 shares 2,000$740K0.3%0Timeline

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
NXPINXP SEMICONDUCTORS N V5,600$1.28Mshares

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001837320-26-000001 base2026-01-29acceptance time not in the bulk data set