PH
Prospect Hill Management, LLC SEC 13F Holdings (Q2 2026) — Top Position: APPLE INC
Prospect Hill Management, LLCCIK: 0001837320
Concentrated strategySector-focusedMomentum follower
Total reported value
$257.5M
Reporting period: 2026-06-30 · Number of holdings: 14
Prospect Hill Management, LLC disclosed 14 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $257.5M and a quarterly turnover rate of 16.2%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 16.2
- Momentum
- 100
- Sector conviction
- 100
- Diversification
- 28
- Sizing Uniformity
- 79.16
Prospect Hill Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.360 — mathematically equivalent to about 3 equally-sized positions, well below its 14 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 2.08), with a handful of outsized bets alongside many smaller positions.
Recent activity leans toward adding more aggressively to already-large existing positions than to newly initiated ones (a 11.3 percentage-point tilt) — a pattern consistent with a momentum-following approach.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govAdd NVDA
+94.4% $6.8M
Trim NFLX
+1.6% -$1.5M
Trim ISRG
+1.7% -$823.3K
Trim BAC
-21.3% -$457.5K
Trim AAPL
+0.1% $18.1M
Add GOOGL
+0.5% $2.0M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AAPL | Apple Inc | Stock-Tech | 56.85% | -0.33% | +0.07% | |
| 2 | TSLA | Tesla Inc | Stock-Consumer Disc | 16.46% | -0.21% | +0.17% | |
| 3 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 4.89% | -0.01% | +0.09% | |
| 4 | NVDA | Nvidia CORP | Stock-Tech | 4.81% | +2.34% | +94.40% | |
| 5 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 4.12% | +0.28% | — | |
| 6 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 3.89% | +0.32% | +0.54% | |
| 7 | ISRG | Intuitive Surgical Inc | Stock-Healthcare | 2.29% | -0.70% | +1.72% | |
| 8 | BAC | Bank Of America CORP | Stock-Financials | 2.05% | -0.50% | -21.28% | |
| 9 | NFLX | Netflix Inc | Stock-Comm Services | 1.76% | -0.92% | +1.60% | |
| 10 | MA | Mastercard Inc - A | Stock-Financials | 1.16% | -0.24% | -7.94% | |
| 11 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 0.58% | -0.08% | — | |
| 12 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.52% | -0.09% | -1.04% | |
| 13 | PLTR | Palantir Technologies Inc-a | Stock-Tech | 0.45% | +0.16% | +123.60% | |
| 14 | AXP | American Express Co | Stock-Financials | 0.18% | -0.01% | — |
Portfolio Performance
Performance for Q3 2026
-2.1%
Performance Last 4 Quarters
+27.2%
- Stdev
- +20%
- Beta
- +1.1
- Alpha
- -2%
- Max Drawdown
- -16.6%
- Annualized Perf
- +19.6%
- Batting Avg vs S&P
- +44.4%
- Sortino
- +1.98
- Stutzer
- +0.3
- Treynor
- +0.18
- Sterling
- +0.91
- Calmar
- +1.18
- Information Ratio
- 0
- Tracking Error
- +14.2%
- Stdev Down
- +10.1%
- Winning Months %
- +58.3%
- Losing Months %
- +41.7%
- Best 12 Months
- +44.3%
- Worst 12 Months
- +5.1%
- Efficiency Ratio
- +0.41
- Sharpe
- +1
- Stdev Sectors
- +22.1%
- Skewness
- +0.18
- Kurtosis
- -0.92
- Upside Potential
- +3.85
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 14 | $257.5M | 16 | ||
| 2026 Q1 | 14 | $224.4M | 11 | ||
| 2025 Q4 | 13 | $247.4M | 8 | ||
| 2025 Q3 | 14 | $234.0M | 23 | ||
| 2025 Q2 | 15 | $193.8M | 0 | ||
| 2025 Q1 | 15 | $192.0M | 100 | ||
| 2024 Q4 | 16 | $227.4M | 0 | ||
| 2024 Q3 | 16 | $199.2M | 0 | ||
| 2024 Q2 | 15 | $182.2M | 0 | ||
| 2024 Q1 | 15 | $155.2M | 0 | ||
| 2023 Q4 | 15 | $167.5M | 0 | ||
| 2023 Q3 | 15 | $151.1M | 0 | ||
| 2023 Q2 | 15 | $165.2M | 0 | ||
| 2023 Q1 | 14 | $139.9M | 0 | ||
| 2022 Q4 | 15 | $112.0M | 0 | ||
| 2022 Q3 | 15 | $129.0M | 0 | ||
| 2022 Q2 | 15 | $126.4M | 0 | ||
| 2022 Q1 | 16 | $169.7M | 0 | ||
| 2021 Q4 | 14 | $173.3M | 0 | ||
| 2021 Q3 | 17 | $145.0M | 0 | ||
| 2021 Q2 | 17 | $138.3M | 100 | ||
| 2021 Q1 | 18 | $126.7M | 13 | ||
| 2020 Q4 | 16 | $132.6M | — |
Holding changes this quarter
Prospect Hill Management, LLC's most significant position changes for 2026-06-30: Add: Nvidia CORP (NVDA) — shares +94.40%; Add: Netflix Inc (NFLX) — shares +1.60%; Add: Intuitive Surgical Inc (ISRG) — shares +1.72%; Trim: Bank Of America CORP (BAC) — shares -21.28%; Add: Apple Inc (AAPL) — shares +0.07%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | +2.3% | +94.40% | Add |
| 2 | GOOGL | Alphabet Inc-cl A | +0.3% | +0.54% | Add |
| 3 | GOOG | Alphabet Inc-cl C | +0.3% | — | Unchanged |
| 4 | PLTR | Palantir Technologies Inc-a | +0.2% | +123.60% | Add |
| 5 | AMZN | Amazon.com Inc | 0% | +0.09% | Add |
| 6 | AXP | American Express Co | 0% | — | Unchanged |
| 7 | TMO | Thermo Fisher Scientific Inc | -0.1% | — | Unchanged |
| 8 | META | Meta Platforms Inc-class A | -0.1% | -1.04% | Trim |
| 9 | TSLA | Tesla Inc | -0.2% | +0.17% | Add |
| 10 | MA | Mastercard Inc - A | -0.2% | -7.94% | Trim |
| 11 | AAPL | Apple Inc | -0.3% | +0.07% | Add |
| 12 | BAC | Bank Of America CORP | -0.5% | -21.28% | Trim |
| 13 | ISRG | Intuitive Surgical Inc | -0.7% | +1.72% | Add |
| 14 | NFLX | Netflix Inc | -0.9% | +1.60% | Add |
Filing History
FAQ
What is Prospect Hill Management, LLC and what type of investor is it?
Prospect Hill Management, LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $257.5M, spread across 14 disclosed positions.
What are Prospect Hill Management, LLC's largest equity positions?
Based on the latest 13F filing, Prospect Hill Management, LLC's top holdings by market value are:
1. Apple Inc (AAPL) — $146.4M (56.9%)
2. Tesla Inc (TSLA) — $42.4M (16.5%)
3. Amazon.com Inc (AMZN) — $12.6M (4.9%)
4. Nvidia CORP (NVDA) — $12.4M (4.8%)
5. Alphabet Inc-cl C (GOOG) — $10.6M (4.1%)
What changes did Prospect Hill Management, LLC make in its most recent portfolio filing?
In the latest reported quarter, Prospect Hill Management, LLC made 11 notable position adjustments: 0 new positions were initiated, 8 existing holdings were added to, 3 positions were partially reduced, and 0 were completely exited. The largest of these moves: Add: Nvidia CORP (NVDA) — shares +94.40%; Add: Netflix Inc (NFLX) — shares +1.60%; Add: Intuitive Surgical Inc (ISRG) — shares +1.72%; Trim: Bank Of America CORP (BAC) — shares -21.28%; Add: Apple Inc (AAPL) — shares +0.07%
What sectors does Prospect Hill Management, LLC focus on?
Prospect Hill Management, LLC is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 62.1%
• Consumer Discretionary: 21.4%
• Communication Services: 10.3%
• Financials: 3.4%
• Health Care: 2.9%
Investment Profile
Prospect Hill Management, LLC returned an annualized 19.6% over the trailing 36 months — underperforming the S&P 500 by 2.0 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.10 (roughly in line with the market) and a 44% quarterly batting average against the index.
Its portfolio is concentrated and long-term-holding, with 62.1% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 16 over the past 4 quarters — a shift toward more active trading.
It has trimmed its ISRG position for two straight quarters, cutting it by $2.3M while still holding $5.9M.
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