Blue Grotto Capital, LLC reported 28 positions worth $1.46B for the quarter ended Sep 30, 2026, up 21.5% on the prior quarter. It opened 7 new positions, added to 16, trimmed 5 and exited 8. Its largest holding is Microsoft Corp at 7.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| KEYS Keysight Technologies, Inc. | +200.0K | – | $72.81M | 5% |
| AIZ Assurant, Inc. | +240.3K | – | $63.33M | 4.35% |
| GEHC GE HealthCare Technologies Inc. | +954.0K | +387.8% | $62.36M | 5.39% |
| MSFT Microsoft Corp | +120.0K | +119.7% | $61.55M | 7.76% |
| AMZN Amazon Com Inc | +200.0K | +200.0% | $49.83M | 5.14% |
| LMT Lockheed Martin Corp | +80.0K | – | $40.74M | 2.8% |
| AKAM Akamai Technologies Inc | +330.0K | – | $35.10M | 2.41% |
| TER Teradyne, Inc | +86.5K | – | $34.69M | 2.38% |
| TKO TKO Group Holdings, Inc. | +180.0K | +150.0% | $32.35M | 3.71% |
| ONTO Onto Innovation Inc. | +95.0K | – | $29.24M | 2.01% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| SN SharkNinja, Inc. | -410.7K | -61.9% | $73.97M | 3.12% |
| CDW CDW Corp | -315.6K | -100.0% | $44.39M | Exited |
| CELH Celsius Holdings, Inc. | -1.49M | -100.0% | $43.61M | Exited |
| PGR Progressive Corp | -178.0K | -100.0% | $38.89M | Exited |
| CACI Caci International Inc | -53.2K | -31.2% | $32.40M | 4.92% |
| HAS Hasbro, Inc. | -354.9K | -100.0% | $29.31M | Exited |
| INTU Intuit Inc. | -100.1K | -100.0% | $26.14M | Exited |
| RAL Ralliant Corp | -280.3K | -100.0% | $20.64M | Exited |
| SEDG Solaredge Technologies, Inc. | -279.7K | -100.0% | $16.35M | Exited |
| RDDT Reddit, Inc. | -110.7K | -40.9% | $15.76M | 1.57% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| KEYS Keysight Technologies, Inc. | +200.0K | $72.81M | 5% |
| AIZ Assurant, Inc. | +240.3K | $63.33M | 4.35% |
| LMT Lockheed Martin Corp | +80.0K | $40.74M | 2.8% |
| AKAM Akamai Technologies Inc | +330.0K | $35.10M | 2.41% |
| TER Teradyne, Inc | +86.5K | $34.69M | 2.38% |
| ONTO Onto Innovation Inc. | +95.0K | $29.24M | 2.01% |
| SAP Sap Se | +130.0K | $27.10M | 1.86% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| CDW CDW Corp | -315.6K | $44.39M | 3.71% |
| CELH Celsius Holdings, Inc. | -1.49M | $43.61M | 3.64% |
| PGR Progressive Corp | -178.0K | $38.89M | 3.25% |
| HAS Hasbro, Inc. | -354.9K | $29.31M | 2.45% |
| INTU Intuit Inc. | -100.1K | $26.14M | 2.18% |
| RAL Ralliant Corp | -280.3K | $20.64M | 1.72% |
| SEDG Solaredge Technologies, Inc. | -279.7K | $16.35M | 1.36% |
| VST Vistra Corp. | -82.3K | $13.05M | 1.09% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MSFT Microsoft Corp | Technology | 220.2K | $112.97M | 7.76% | +120.0K | +119.7% | Added | 0% |
| 2 | TLN Talen Energy Corp | Utilities | 290.0K | $90.68M | 6.23% | +29.0K | +11.1% | Added | 0.61% |
| 3 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 196.9K | $89.80M | 6.17% | +12.2K | +6.6% | Added | 0% |
| 4 | GEHC GE HealthCare Technologies Inc. | Healthcare | 1.20M | $78.44M | 5.39% | +954.0K | +387.8% | Added | 0.27% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 300.0K | $74.75M | 5.14% | +200.0K | +200.0% | Added | 0% |
| 6 | KEYS Keysight Technologies, Inc. | Technology | 200.0K | $72.81M | 5% | +200.0K | – | New | 0.12% |
| 7 | CACI Caci International Inc | Industrials | 117.5K | $71.59M | 4.92% | -53.2K | -31.2% | Reduced | 0.53% |
| 8 | SE Sea Ltd | Technology | 700.0K | $68.15M | 4.68% | +97.6K | +16.2% | Added | 0.12% |
| 9 | AIZ Assurant, Inc. | Financial Services | 240.3K | $63.33M | 4.35% | +240.3K | – | New | 0.49% |
| 10 | RBA Rb Global Inc. | Industrials | 750.0K | $61.04M | 4.2% | +165.9K | +28.4% | Added | 0.4% |
| 11 | MKSI Mks Inc | Technology | 229.6K | $60.92M | 4.19% | +80.2K | +53.6% | Added | 0.34% |
| 12 | TKO TKO Group Holdings, Inc. | Communication Services | 300.0K | $53.92M | 3.71% | +180.0K | +150.0% | Added | 0.16% |
| 13 | MGNI Magnite, Inc. | Technology | 1.92M | $48.42M | 3.33% | +210.0K | +12.3% | Added | 1.34% |
| 14 | NVDA Nvidia Corp | Technology | 200.0K | $45.68M | 3.14% | +49.4K | +32.8% | Added | 0% |
| 15 | SN SharkNinja, Inc. | Consumer Discretionary | 252.3K | $45.44M | 3.12% | -410.7K | -61.9% | Reduced | 0.18% |
Tip. Select a row to see that position’s full history at Blue Grotto Capital.
As of its Q3 2026 13F filing, Blue Grotto Capital, LLC’s five largest positions were Microsoft Corp (MSFT) at 7.8%, Talen Energy Corp (TLN) at 6.2%, Taiwan Semiconductor Manufacturing Co Ltd (TSM) at 6.2%, GE HealthCare Technologies Inc. (GEHC) at 5.4%, Amazon Com Inc (AMZN) at 5.1% of the reported portfolio.
Blue Grotto Capital, LLC reported a 13F portfolio worth $1.46B across 28 positions for Q3 2026. That is up 21.5% from the previous quarter.
Its largest purchases by value were Keysight Technologies, Inc. ($72.81M), Assurant, Inc. ($63.33M), GE HealthCare Technologies Inc. ($62.36M). It opened 7 new positions.
Its largest sales by value were SharkNinja, Inc. ($73.97M), CDW Corp ($44.39M), Celsius Holdings, Inc. ($43.61M). It exited 8 positions entirely.
From the Form 13F-HR reports Blue Grotto Capital, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.