Shelter Rock Management, LLC holds a focused book of 37 reported positions worth $103.1M as of Q2 2026 (disclosed Jul 13, 2026, a ~13-day 13F lag). This quarter they opened SS Industrial Select Sector and trimmed Taiwan Semiconductor-SP ADR. Their largest long position is Taiwan Semiconductor-SP ADR at 11% of the reported non-option book. Cloning the disclosed picks since 2026 would be +7% (+11.5%/yr). That is a simulation of the disclosed long book, not audited returns.
Following at the filing date actually beat the quarter-end book by 4.9 points over this window.
Growth of $10,000 cloning Shelter Rock Management, LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~13 days for the latest filing, with no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
93% mapped to company sectors
+1 sector below the cut, under 0.5% together
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Shelter Rock Management, LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Altarock Partners LP | 7 / 37 | $4.1B |
| Hoffman, Alan N Investment Management | 6 / 37 | $155.2M |
| Prospect Hill Management, LLC | 6 / 37 | $226.7M |
| Voyager Global Management LP | 5 / 37 | $3.0B |
| Ketron Financial | 12 / 37 | $266.9M |
| Blacksheep Fund Management Ltd | 4 / 37 | $252.3M |
| BlueSpruce Investments, LP | 10 / 37 | $508.0M |
| Emerald Advisors, LLC | 18 / 37 | $620.4M |
Ranked by the share of each fund's own book sitting in the names it shares with Shelter Rock Management, LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Taiwan Semiconductor Manufac SPONSORED ADS | $11.2M | 23.5K | 10.9% | ▼−0.5% Reduced · −116 sh | |
| 2 | Alphabet Inc CAP STK CL A | $10.1M | 28.2K | 9.8% | ▲+0.7% Added · +184 sh | |
| 3 | Transdigm Group Inc COM | $8.1M | 6.1K | 7.9% | ▲+0.3% Added · +19 sh | |
| 4 | Hilton Worldwide Hldgs Inc COM | $7.6M | 23.1K | 7.4% | ▲+1.1% Added · +250 sh | |
| 5 | Oreilly Automotive Inc COM | $7.4M | 80.3K | 7.2% | ▼−0.1% Reduced · −71 sh | |
| 6 | Nvidia Corporation COM | $7.2M | 35.9K | 7.0% | ▼−14% Reduced · −6K sh | |
| 7 | Visa Inc COM CL A | $6.1M | 17.8K | 5.9% | ▲+0.4% Added · +67 sh | |
| 8 | Trane Technologies PLC SHS | $5.5M | 11.3K | 5.4% | ▼−14% Reduced · −2K sh | |
| 9 | TJX Cos Inc New COM | $4.8M | 31.9K | 4.7% | ▲+0.7% Added · +217 sh | |
| 10 | Flex Ltd ORD | $4.8M | 29.5K | 4.6% | ▼−38% Reduced · −18K sh | |
| 11 | Select Sector SPDR TR ST STR INDL ETF | $4.6M | 24.9K | 4.5% | ▲New New position | |
| 12 | Microsoft Corp COM | $3.9M | 10.6K | 3.8% | ▼−23% Reduced · −3K sh | |
| 13 | Broadcom Inc COM | $3.6M | 9.5K | 3.5% | ▲New New position | |
| 14 | Amazon Com Inc COM | $3.3M | 13.9K | 3.2% | ▼−0.4% Reduced · −55 sh | |
| 15 | Costco Wholesale Corporation COM | $3.0M | 3.2K | 2.9% | ▲+0.7% Added · +21 sh | |
| 16 | Apple Inc COM | $2.3M | 8.1K | 2.3% | ▲+1.3% Added · +107 sh | |
| 17 | Waste Mgmt Inc Del COM | $1.5M | 6.6K | 1.4% | ▼−68% Reduced · −14K sh | |
| 18 | Mastercard Incorporated CL A | $723K | 1.4K | 0.7% | ▼−56% Reduced · −2K sh | |
| 19 | Autoliv Inc COM | $711K | 6.1K | 0.7% | ▼−3.6% Reduced · −231 sh | |
| 20 | Ishares TR GLOBAL TECH ETF | $637K | 4.4K | 0.6% | —Held | |
| 21 | Vanguard Admiral FDS Inc 500 GRTH IDX F | $612K | 7.4K | 0.6% | ▲12× Added · +7K sh | |
| 22 | NBT Bancorp Inc COM | $600K | 12.2K | 0.6% | —Held | |
| 23 | Eli Lilly & Co COM | $569K | 474 | 0.6% | —Held | |
| 24 | McDonalds Corp COM | $509K | 1.9K | 0.5% | ▲+0.1% Added · +2 sh | |
| 25 | Vanguard Specialized Funds DIV APP ETF | $425K | 1.8K | 0.4% | ▼−7.0% Reduced · −136 sh | |
| 26 | Ishares TR U.S. TECH ETF | $410K | 1.6K | 0.4% | ▲+0.5% Added · +8 sh | |
| 27 | Tesla Inc COM | $354K | 841 | 0.3% | —Held | |
| 28 | Eaton Corp PLC SHS | $298K | 698 | 0.3% | —Held | |
| 29 | Vaneck ETF Trust SEMICONDUCTR ETF | $278K | 425 | 0.3% | ▲New New position | |
| 30 | Vaneck Merk Gold ETF GOLD SHS | $271K | 7.0K | 0.3% | ▲+29% Added · +2K sh | |
| 31 | Wells Fargo & Co COM | $268K | 3.2K | 0.3% | ▲+0.6% Added · +19 sh | |
| 32 | Abbvie Inc COM | $266K | 1.1K | 0.3% | —Held | |
| 33 | Ishares TR 0-5YR HI YL CP | $250K | 5.9K | 0.2% | ▲New New position | |
| 34 | Autozone Inc COM | $237K | 74 | 0.2% | —Held | |
| 35 | Citigroup Inc COM NEW | $205K | 1.5K | 0.2% | ▲New New position | |
| 36 | Oracle Corp COM | $201K | 1.4K | 0.2% | —Held | |
| 37 | BGC Group Inc CL A | $167K | 15.7K | 0.2% | ▼−7.3% Reduced · −1K sh |
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As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.