Blue Grotto Capital, LLC
Long book
$867.6M
Q1 2026
Positions
21
Top-10 weight
74%
concentration
Last quarter
+18.8%
SPY +14.8%
Turnover
59%
of book per quarter
Strategy in plain words
auto-generated from filingsBlue Grotto Capital, LLC is a concentrated fundamental stock-picker, running a $867.6M US long book across 21 positions.
The portfolio is concentrated: the top 10 names carry 74% of the portfolio. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: MKS INC, CACI INTERNATIONAL INC -CL A, SHARKNINJA INC, TALEN ENERGY CORP, AKAMAI TECHNOLOGIES INC.
Over the last 9 quarters its long book ran on average 4.6pp per quarter ahead of the S&P 500, beating the index in 8 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+3.7%
Q2 2024
+9.2%
Q3 2024
+10.1%
Q4 2024
-3.1%
Q1 2025
+25.4%
Q2 2025
+13.7%
Q3 2025
+4.9%
Q4 2025
-0.6%
Q1 2026
+18.8%
Sector allocation
Technology 35%
Services media 19%
Industrials 17%
Utilities 9%
Financials 6%
Consumer staples 6%
Other 4%
Consumer discretionary 3%
Long book by quarter
What does Blue Grotto own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| MKSI MKS INC | Technology | 375.0K | $86.2M | 9.9% | -9.7% |
| CACI CACI INTERNATIONAL INC -CL A | Technology | 146.2K | $79.5M | 9.2% | +65.0% |
| SN SHARKNINJA INC | Industrials | 670.0K | $71.0M | 8.2% | -5.0% |
| TLN TALEN ENERGY CORP | Utilities | 220.0K | $70.2M | 8.1% | +37.4% |
| AKAM AKAMAI TECHNOLOGIES INC | Services media | 600.2K | $68.9M | 7.9% | New |
| NVDA NVIDIA CORP | Technology | 350.0K | $61.0M | 7.0% | New |
| COF CAPITAL ONE FINANCIAL CORP | Financials | 281.0K | $51.3M | 5.9% | New |
| FIX COMFORT SYSTEMS USA INC | Industrials | 35.5K | $48.9M | 5.6% | -36.2% |
| CELH CELSIUS HOLDINGS INC | Consumer staples | 1.3M | $44.7M | 5.2% | New |
| RBA RB GLOBAL INC | Services media | 450.0K | $43.1M | 5.0% | New |
| V VISA INC-CLASS A SHARES | Services media | 130.7K | $39.5M | 4.6% | New |
| HAS HASBRO INC | Other | 300.0K | $28.1M | 3.2% | +30.4% |
| CDW CDW CORP/DE | Consumer discretionary | 230.0K | $27.8M | 3.2% | -39.5% |
| TTWO TAKE-TWO INTERACTIVE SOFTWRE | Technology | 117.5K | $23.2M | 2.7% | +68.8% |
| MGNI MAGNITE INC | Technology | 1.3M | $15.8M | 1.8% | -18.4% |
| CMCO COLUMBUS MCKINNON CORP/NY | Industrials | 981.1K | $14.3M | 1.6% | New |
| SEDG SOLAREDGE TECHNOLOGIES INC | Technology | 254.0K | $13.0M | 1.5% | -15.3% |
| BIRK BIRKENSTOCK HOLDING PLC | Other | 200.0K | $7.2M | 0.8% | -38.8% |
| BKNG BOOKING HOLDINGS INC | Industrials | 17.0K | $2.9M | 0.3% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 21 | $867.6M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 24 | $973.1M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 26 | $862.3M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 26 | $828.5M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 27 | $611.7M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 12, 2025 | 27 | $547.2M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 25 | $538.5M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 23 | $497.8M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 25 | $492.8M | canonical | SEC ↗ |
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