Blue Grotto Capital, LLC

Fundamental concentrated ★Signal CIK 1764725
League rank
#329
in Fundamental concentrated · #723 overall
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 filings

Blue 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

$492.8M
Q1 2024
$497.8M
Q2 2024
$538.5M
Q3 2024
$547.2M
Q4 2024
$523.7M
Q1 2025
$828.5M
Q2 2025
$862.3M
Q3 2025
$973.1M
Q4 2025
$867.6M
Q1 2026

What does Blue Grotto own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
MKSI MKS INCTechnology375.0K$86.2M9.9%-9.7%
CACI CACI INTERNATIONAL INC -CL ATechnology146.2K$79.5M9.2%+65.0%
SN SHARKNINJA INCIndustrials670.0K$71.0M8.2%-5.0%
TLN TALEN ENERGY CORPUtilities220.0K$70.2M8.1%+37.4%
AKAM AKAMAI TECHNOLOGIES INCServices media600.2K$68.9M7.9%New
NVDA NVIDIA CORPTechnology350.0K$61.0M7.0%New
COF CAPITAL ONE FINANCIAL CORPFinancials281.0K$51.3M5.9%New
FIX COMFORT SYSTEMS USA INCIndustrials35.5K$48.9M5.6%-36.2%
CELH CELSIUS HOLDINGS INCConsumer staples1.3M$44.7M5.2%New
RBA RB GLOBAL INCServices media450.0K$43.1M5.0%New
V VISA INC-CLASS A SHARESServices media130.7K$39.5M4.6%New
HAS HASBRO INCOther300.0K$28.1M3.2%+30.4%
CDW CDW CORP/DEConsumer discretionary230.0K$27.8M3.2%-39.5%
TTWO TAKE-TWO INTERACTIVE SOFTWRETechnology117.5K$23.2M2.7%+68.8%
MGNI MAGNITE INCTechnology1.3M$15.8M1.8%-18.4%
CMCO COLUMBUS MCKINNON CORP/NYIndustrials981.1K$14.3M1.6%New
SEDG SOLAREDGE TECHNOLOGIES INCTechnology254.0K$13.0M1.5%-15.3%
BIRK BIRKENSTOCK HOLDING PLCOther200.0K$7.2M0.8%-38.8%
BKNG BOOKING HOLDINGS INCIndustrials17.0K$2.9M0.3%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202621$867.6M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202624$973.1M canonicalSEC ↗
Q3 202513F-HRNov 13, 202526$862.3M canonicalSEC ↗
Q2 202513F-HRAug 14, 202526$828.5M canonicalSEC ↗
Q1 202513F-HRMay 14, 202527$611.7M canonicalSEC ↗
Q4 202413F-HRFeb 12, 202527$547.2M canonicalSEC ↗
Q3 202413F-HRNov 14, 202425$538.5M canonicalSEC ↗
Q2 202413F-HRAug 13, 202423$497.8M canonicalSEC ↗
Q1 202413F-HRMay 14, 202425$492.8M canonicalSEC ↗