Blue Grotto Capital, LLC
CIK: 1764725
Holdings (28)
Q3 2026 13F, quarter ended Sep 30, 2026, filed Nov 4, 2026
- MSFT
MICROSOFT CORP
$112.97M
220,248 sh7.76%+119.7% - TLN
TALEN ENERGY CORP
$90.68M
290,000 sh6.23%+11.1% - TSM
TAIWAN SEMICONDUCTOR MANUFAC
$89.8M
196,850 sh6.17%+6.6% - GEHC
GE HEALTHCARE TECHNOLOGIES I
$78.44M
1.20M sh5.39%+387.8% - AMZN
AMAZON COM INC
$74.75M
300,000 sh5.14%+200.0% - KEYS
KEYSIGHT TECHNOLOGIES INC
$72.81M
200,000 sh5.00%New - CACI
CACI INTL INC
$71.59M
117,538 sh4.92%-31.2% - SE
SEA LTD
$68.15M
700,000 sh4.68%+16.2% - AIZ
ASSURANT INC
$63.33M
240,329 sh4.35%New - RBA
RB GLOBAL INC
$61.04M
750,000 sh4.20%+28.4% - MKSI
MKS INC.
$60.92M
229,582 sh4.19%+53.6% - TKO
TKO GROUP HOLDINGS INC
$53.92M
300,000 sh3.71%+150.0% - MGNI
MAGNITE INC
$48.42M
1.92M sh3.33%+12.3% - NVDA
NVIDIA CORPORATION
$45.68M
200,000 sh3.14%+32.8% - SN
SHARKNINJA INC
$45.44M
252,270 sh3.12%-62.0% - CIB
GRUPO CIBEST SA
$41.78M
450,000 sh2.87%+39.8% - LMT
LOCKHEED MARTIN CORP
$40.74M
80,000 sh2.80%New - BKD
BROOKDALE SR LIVING INC
$37.93M
3.50M sh2.61%+24.7% - V
VISA INC
$35.93M
100,000 sh2.47%-25.4% - VRSN
VERISIGN INC
$35.59M
126,189 sh2.45%+10.6% - AKAM
AKAMAI TECHNOLOGIES INC
$35.1M
330,000 sh2.41%New - TER
TERADYNE INC
$34.69M
86,517 sh2.38%New - GOOG
ALPHABET INC
$34.07M
100,000 sh2.34%+100.0% - ONTO
ONTO INNOVATION INC
$29.24M
95,000 sh2.01%New - SAP
SAP SE
$27.1M
130,000 sh1.86%New - FIX
COMFORT SYS USA INC
$26.55M
16,050 sh1.82%+100.6% - RDDT
REDDIT INC
$22.79M
160,000 sh1.57%-40.9% - CMCO
COLUMBUS MCKINNON CORP N Y
$15.65M
982,216 sh1.08%-2.5%
| Security | Shares | Value | Change | Weight | Period |
|---|---|---|---|---|---|
 MSFT MICROSOFT CORP | 220,248 | $112.97M | +119.7% | 7.76% | Q3 2026 |
 TLN TALEN ENERGY CORP | 290,000 | $90.68M | +11.1% | 6.23% | Q3 2026 |
 TSM TAIWAN SEMICONDUCTOR MANUFAC | 196,850 | $89.8M | +6.6% | 6.17% | Q3 2026 |
 GEHC GE HEALTHCARE TECHNOLOGIES I | 1.20M | $78.44M | +387.8% | 5.39% | Q3 2026 |
 AMZN AMAZON COM INC | 300,000 | $74.75M | +200.0% | 5.14% | Q3 2026 |
 KEYS KEYSIGHT TECHNOLOGIES INC | 200,000 | $72.81M | New | 5.00% | Q3 2026 |
 CACI CACI INTL INC | 117,538 | $71.59M | -31.2% | 4.92% | Q3 2026 |
 SE SEA LTD | 700,000 | $68.15M | +16.2% | 4.68% | Q3 2026 |
 AIZ ASSURANT INC | 240,329 | $63.33M | New | 4.35% | Q3 2026 |
 RBA RB GLOBAL INC | 750,000 | $61.04M | +28.4% | 4.20% | Q3 2026 |
 MKSI MKS INC. | 229,582 | $60.92M | +53.6% | 4.19% | Q3 2026 |
 TKO TKO GROUP HOLDINGS INC | 300,000 | $53.92M | +150.0% | 3.71% | Q3 2026 |
 MGNI MAGNITE INC | 1.92M | $48.42M | +12.3% | 3.33% | Q3 2026 |
 NVDA NVIDIA CORPORATION | 200,000 | $45.68M | +32.8% | 3.14% | Q3 2026 |
 SN SHARKNINJA INC | 252,270 | $45.44M | -62.0% | 3.12% | Q3 2026 |
 CIB GRUPO CIBEST SA | 450,000 | $41.78M | +39.8% | 2.87% | Q3 2026 |
 LMT LOCKHEED MARTIN CORP | 80,000 | $40.74M | New | 2.80% | Q3 2026 |
 BKD BROOKDALE SR LIVING INC | 3.50M | $37.93M | +24.7% | 2.61% | Q3 2026 |
 V VISA INC | 100,000 | $35.93M | -25.4% | 2.47% | Q3 2026 |
 VRSN VERISIGN INC | 126,189 | $35.59M | +10.6% | 2.45% | Q3 2026 |
 AKAM AKAMAI TECHNOLOGIES INC | 330,000 | $35.1M | New | 2.41% | Q3 2026 |
 TER TERADYNE INC | 86,517 | $34.69M | New | 2.38% | Q3 2026 |
 GOOG ALPHABET INC | 100,000 | $34.07M | +100.0% | 2.34% | Q3 2026 |
 ONTO ONTO INNOVATION INC | 95,000 | $29.24M | New | 2.01% | Q3 2026 |
 SAP SAP SE | 130,000 | $27.1M | New | 1.86% | Q3 2026 |
 FIX COMFORT SYS USA INC | 16,050 | $26.55M | +100.6% | 1.82% | Q3 2026 |
 RDDT REDDIT INC | 160,000 | $22.79M | -40.9% | 1.57% | Q3 2026 |
 CMCO COLUMBUS MCKINNON CORP N Y | 982,216 | $15.65M | -2.5% | 1.08% | Q3 2026 |
1-28 of 28 holdings
Sector Allocation
SEC Filings
| Form | Description | Filed |
|---|---|---|
About Blue Grotto Capital, LLC
Blue Grotto Capital, LLC is an Investment Adviser that reports its US-listed stock and option positions to the SEC on Form 13F (CIK 1764725). Signal8 holds 21 13F filings from it. Its SEC filings list Delaware as its state of incorporation.
Its most recent 13F holdings report covers Q3 2026 (the quarter ended Sep 30, 2026) and was filed on Nov 4, 2026. That report lists 28 securities, not counting options, down from 29 in Q2 2026.
Its five largest reported positions, in order, are MICROSOFT CORP (MSFT), TALEN ENERGY CORP (TLN), TAIWAN SEMICONDUCTOR MANUFAC (TSM), GE HEALTHCARE TECHNOLOGIES I (GEHC) and AMAZON COM INC (AMZN). The next five are KEYSIGHT TECHNOLOGIES INC (KEYS), CACI INTL INC (CACI), SEA LTD (SE), ASSURANT INC (AIZ) and RB GLOBAL INC (RBA).
Recent 13F filings by Blue Grotto Capital, LLC
- Q3 2026: 13F-HR filed Nov 4, 2026, listing 28 securities.
- Q2 2026: 13F-HR filed Aug 3, 2026, listing 29 securities.
- Q1 2026: 13F-HR filed May 15, 2026, listing 21 securities.
- Q4 2025: 13F-HR filed Feb 13, 2026, listing 24 securities.
- Q3 2025: 13F-HR filed Nov 13, 2025, listing 26 securities.
- Q2 2025: 13F-HR filed Aug 14, 2025, listing 26 securities.