Overbrook Management Corp
Filing Date
Global Rank
#2,343
/ 8,232
▲ 3
Top Industry
Semiconductors
27.2%
3Y Alpha vs SPY
-4.9%
Period ended 2 months ago
Filed Apr 9, 2026 · 2mo
25 quarters · since Mar 2020
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+55.6%
SPY
+76.3%
Annualised alpha
-4.9%
Max drawdown
−19.8%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
48 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
11.3%
+0.3 pts
Top 5
36.2%
−3.4 pts
Top 10
58.8%
−4.2 pts
HHI
476
Diversified−41
Portfolio Trend
25 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Technology | 42.3% | $207,821,949 |
| Communication Services | 15.3% | $75,095,136 |
| Consumer Cyclical | 13.3% | $65,546,266 |
| Industrials | 10.4% | $50,860,879 |
| Healthcare | 8.9% | $43,722,473 |
| Financial Services | 6.7% | $32,858,865 |
| Utilities | 1.8% | $8,777,167 |
| Unclassified | 0.7% | $3,535,262 |
| Energy | 0.4% | $2,088,693 |
| Real Estate | 0.1% | $437,187 |
| Consumer Defensive | 0.1% | $364,693 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
12 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| NFLX | Netflix Inc | +111,296 | 174,960 | $16,822,404 | |
| ORLY | O Reilly Automotive Inc | +54,829 | 216,380 | $19,974,037 | |
| UBER | Uber Technologies, Inc | +39,378 | 195,309 | $14,048,576 | |
| APP | AppLovin Corp | +14,074 | 29,181 | $11,614,038 | |
| ABBV | AbbVie Inc. | +13,085 | 55,144 | $11,993,268 | |
| VST | Vistra Corp. | +9,343 | 58,386 | $8,777,167 | |
| JPM | Jpmorgan Chase & Co | +2,788 | 15,845 | $4,660,965 | |
| NVDA | Nvidia Corp | +1,842 | 319,020 | $55,637,088 | |
| XOM | Exxon Mobil Corp | +318 | 3,782 | $641,654 | |
| JNJ | Johnson & Johnson | +186 | 1,386 | $338,793 | |
| GLW | Corning Inc /Ny | +60 | 27,060 | $3,679,348 | |
| MA | Mastercard Inc | +26 | 1,507 | $752,987 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reduced
22 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| ARES | Ares Management Corp | −98,101 | 50,878 | $5,550,789 | |
| HQY | Healthequity, Inc. | −27,795 | 12,676 | $1,059,333 | |
| TMUS | T-Mobile US, Inc. | −18,265 | 77,479 | $16,272,914 | |
| MU | Micron Technology Inc | −15,211 | 27,267 | $9,211,883 | |
| V | Visa Inc. | −14,406 | 47,629 | $14,395,388 | |
| META | Meta Platforms, Inc. | −10,552 | 47,258 | $27,037,719 | |
| MSFT | Microsoft Corp | −6,496 | 81,039 | $29,998,206 | |
| HWM | Howmet Aerospace Inc. | −5,220 | 28,361 | $6,536,076 | |
| RPRX | Royalty Pharma plc | −5,000 | 38,208 | $1,832,837 | |
| BKNG | Booking Holdings Inc. | −3,385 | 741 | $3,119,846 | |
| GOOGL | Alphabet Inc. | −2,523 | 11,643 | $3,348,061 | |
| AAPL | Apple Inc. | −2,381 | 102,267 | $25,954,341 | |
| AMZN | Amazon Com Inc | −1,892 | 143,696 | $29,927,565 | |
| AVGO | Broadcom Inc. | −818 | 113,056 | $34,991,962 | |
| TSM | Taiwan Semiconductor Manufacturing Co Ltd | −694 | 64,531 | $21,808,251 | |
| GLD | Spdr Gold Trust | −684 | 8,216 | $3,535,262 | |
| CRWD | CrowdStrike Holdings, Inc. | −592 | 3,400 | $1,327,394 | |
| RKLB | Rocket Lab Corp | −483 | 58,724 | $3,771,255 | |
| LLY | ELI LILLY & Co | −402 | 27,887 | $25,649,625 | |
| BRK-B | Berkshire Hathaway Inc | −368 | 13,648 | $6,540,121 | |
| GEV | GE Vernova Inc. | −166 | 14,985 | $13,080,406 | |
| DHI | Horton D R Inc /De/ | −164 | 87,119 | $11,954,469 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter
8 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| CAT | Caterpillar Inc | 25,382 | $17,982,131 | |
| AMD | Advanced Micro Devices Inc | 52,797 | $10,740,493 | |
| CRS | Carpenter Technology Corp | 21,375 | $8,424,956 | |
| TEM | Tempus AI, Inc. | 50,401 | $2,279,133 | |
| SNDK | Sandisk Corp | 668 | $424,407 | |
| COST | Costco Wholesale Corp /New | 366 | $364,693 | |
| FIVE | Five Below, Inc | 1,000 | $228,480 | |
| AZN | Astrazeneca PLC | 1,032 | $203,531 | |
| No positions match the current search. | ||||
1 positions ·
$364,693 total
· Consumer Defensive only
· as of Mar 31, 2026
All sectors
Communication Services
Consumer Cyclical
Consumer Defensive
Energy
Financial Services
Healthcare
Industrials
Real Estate
Technology
Utilities
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| COST |
Costco Wholesale Corp /New
Consumer Defensive
|
NEW | 366 | $364,693 | 100.00% |