Rosenberg Matthew Hamilton
Long book
$488.0M
Q1 2026
Positions
799
Top-10 weight
58%
concentration
Last quarter
+8.0%
SPY +14.8%
Turnover
5%
of book per quarter
Strategy in plain words
auto-generated from filingsRosenberg Matthew Hamilton is a wealth-management firm allocating client money, running a $488.0M US long book across 799 positions.
The portfolio is concentrated: the top 10 names carry 58% of the portfolio. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: SS SPDR P S&P 1500 COMP ETF, VANGUARD TOTAL STOCK MKT ETF, VANGUARD INT-TERM CORPORATE, JPMORGAN ULTRA-SHORT INCOME, VANGUARD INTERMEDIATE-TERM B.
Over the last 9 quarters its long book ran on average 1.3pp per quarter behind the S&P 500, beating the index in 2 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+1.6%
Q2 2024
+5.3%
Q3 2024
-0.6%
Q4 2024
-0.3%
Q1 2025
+6.7%
Q2 2025
+5.7%
Q3 2025
+2.5%
Q4 2025
-0.4%
Q1 2026
+8.0%
Sector allocation
Technology 26%
Industrials 13%
Financials 13%
Energy 12%
Consumer discretionary 10%
Healthcare 7%
Utilities 6%
Services media 3%
Long book by quarter
What does Rosenberg Matthew own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 22.7K | $4.0M | 0.8% | +0.3% |
| GOOG ALPHABET INC-CL C | Technology | 11.8K | $3.4M | 0.7% | +3.0% |
| AAPL APPLE INC | Technology | 12.3K | $3.1M | 0.6% | +4.0% |
| MSFT MICROSOFT CORP | Technology | 7.4K | $2.8M | 0.6% | +3.5% |
| XOM EXXON MOBIL CORP | Energy | 13.0K | $2.2M | 0.5% | +1.4% |
| JPM JPMORGAN CHASE & CO | Financials | 6.2K | $1.8M | 0.4% | +7.5% |
| AVGO BROADCOM INC | Technology | 5.7K | $1.8M | 0.4% | +0.5% |
| CVX CHEVRON CORP | Energy | 6.7K | $1.4M | 0.3% | -1.8% |
| WMT WALMART INC | Consumer discretionary | 10.9K | $1.4M | 0.3% | -0.5% |
| COP CONOCOPHILLIPS | Energy | 10.2K | $1.3M | 0.3% | +1.8% |
| VLO VALERO ENERGY CORP | Energy | 4.9K | $1.2M | 0.2% | +4.3% |
| CAT CATERPILLAR INC | Industrials | 1.6K | $1.1M | 0.2% | -0.3% |
| AMZN AMAZON.COM INC | Consumer discretionary | 4.9K | $1.0M | 0.2% | -2.0% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 2.1K | $987K | 0.2% | -1.2% |
| MPC MARATHON PETROLEUM CORP | Energy | 4.0K | $986K | 0.2% | +4.8% |
| JNJ JOHNSON & JOHNSON | Healthcare | 3.8K | $932K | 0.2% | +5.4% |
| PSX PHILLIPS 66 | Energy | 5.1K | $930K | 0.2% | +1.7% |
| GS GOLDMAN SACHS GROUP INC | Financials | 1.0K | $870K | 0.2% | -1.4% |
| ABBV ABBVIE INC | Healthcare | 4.0K | $869K | 0.2% | +3.0% |
| META META PLATFORMS INC-CLASS A | Technology | 1.3K | $772K | 0.2% | +1.2% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 715 | $712K | 0.1% | +2.9% |
| MCD MCDONALD'S CORP | Consumer discretionary | 2.2K | $698K | 0.1% | +6.0% |
| GOOGL ALPHABET INC-CL A | Technology | 2.4K | $693K | 0.1% | Held |
| MS MORGAN STANLEY | Financials | 3.9K | $644K | 0.1% | +5.5% |
| GE GENERAL ELECTRIC | Industrials | 2.2K | $633K | 0.1% | +1.5% |
| MRK MERCK & CO. INC. | Healthcare | 5.1K | $617K | 0.1% | +5.1% |
| LLY ELI LILLY & CO | Healthcare | 650 | $598K | 0.1% | Held |
| KO COCA-COLA CO/THE | Consumer staples | 7.6K | $581K | 0.1% | -0.2% |
| ORCL ORACLE CORP | Technology | 3.9K | $580K | 0.1% | +5.5% |
| C CITIGROUP INC | Financials | 5.1K | $577K | 0.1% | -1.3% |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 1.2K | $571K | 0.1% | +7.2% |
| SCCO SOUTHERN COPPER CORP | Materials | 3.2K | $558K | 0.1% | +0.6% |
| ETN EATON CORP PLC | Industrials | 1.5K | $549K | 0.1% | +5.4% |
| SCHW SCHWAB (CHARLES) CORP | Financials | 5.7K | $531K | 0.1% | Held |
| HD HOME DEPOT INC | Consumer discretionary | 1.6K | $528K | 0.1% | -1.2% |
| RTX RTX CORP | Industrials | 2.7K | $524K | 0.1% | -3.1% |
| MAR MARRIOTT INTERNATIONAL -CL A | Services media | 1.6K | $513K | 0.1% | -1.0% |
| PG PROCTER & GAMBLE CO/THE | Other | 3.5K | $502K | 0.1% | +25.7% |
| SRE SEMPRA | Utilities | 5.2K | $501K | 0.1% | -0.6% |
| V VISA INC-CLASS A SHARES | Services media | 1.6K | $498K | 0.1% | -3.7% |
| CSCO CISCO SYSTEMS INC | Technology | 6.3K | $492K | 0.1% | +2.4% |
| LIN LINDE PLC | Materials | 992 | $492K | 0.1% | Held |
| LMT LOCKHEED MARTIN CORP | Industrials | 810 | $490K | 0.1% | -0.1% |
| EOG EOG RESOURCES INC | Energy | 3.3K | $473K | 0.1% | +10.5% |
| VZ VERIZON COMMUNICATIONS INC | Communications | 9.4K | $472K | 0.1% | +7.8% |
| BAC BANK OF AMERICA CORP | Financials | 9.7K | $471K | 0.1% | +7.4% |
| AMGN AMGEN INC | Healthcare | 1.3K | $463K | 0.1% | -0.4% |
| IBM INTL BUSINESS MACHINES CORP | Technology | 1.9K | $455K | 0.1% | +2.3% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 7, 2026 | 800 | $488.0M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 5, 2026 | 804 | $482.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 10, 2025 | 804 | $462.6M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 28, 2025 | 833 | $430.0M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 28, 2025 | 823 | $398.8M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 14, 2025 | 816 | $384.8M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 28, 2024 | 835 | $382.2M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 26, 2024 | 808 | $338.6M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 22, 2024 | 849 | $346.1M | canonical | SEC ↗ |