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Marathon Capital Management 13F Portfolio ยท Mario Cibelli

Portfolio Manager
Mario Cibelli
Performance
+15.84% (2026 Q2)
AUM (13F)
$493.93M
# of Holdings
187
Performance Rank
Allocation (Top 20)
55.18%
Latest filing
Q2 2026

Marathon Capital Management Holdings Map

Top 50 Marathon Capital Management Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
TROW
PRICE T ROWE GROUP INC
13.36%580.3K$66.0M
-9.11%(-58.20K)
2025-Q2: 708.1K shares2025-Q3: 684.6K shares2025-Q4: 653.1K shares2026-Q1: 638.5K shares2026-Q2: 580.3K shares
$85.43(+29.42%)
2026-06-30
GLW
CORNING INC
4.81%93.0K$23.7M
-11.62%(-12.23K)
2025-Q2: 209.8K shares2025-Q3: 193.9K shares2025-Q4: 185.4K shares2026-Q1: 105.2K shares2026-Q2: 93.0K shares
$28.26(+500.47%)
2026-06-30
BIL
SPDR SERIES TRUST
3.91%210.8K$19.3M
+7.84%(+15.32K)
2025-Q2: 38.0K shares2025-Q3: 122.6K shares2025-Q4: 161.4K shares2026-Q1: 195.4K shares2026-Q2: 210.8K shares
$91.65(-0.11%)
2026-06-30
GOOG
ALPHABET INC
2.96%41.4K$14.6M
-2.01%(-848)
2025-Q2: 44.7K shares2025-Q3: 44.4K shares2025-Q4: 43.2K shares2026-Q1: 42.2K shares2026-Q2: 41.4K shares
$149.58(+129.08%)
2026-06-30
AMZN
AMAZON COM INC
2.73%56.7K$13.5M
+1.67%(+929)
2025-Q2: 30.4K shares2025-Q3: 30.3K shares2025-Q4: 30.3K shares2026-Q1: 55.7K shares2026-Q2: 56.7K shares
$186.80(+40.54%)
2026-06-30
AAPL
APPLE INC
2.5%42.7K$12.3M
-12.93%(-6.34K)
2025-Q2: 53.3K shares2025-Q3: 51.3K shares2025-Q4: 48.8K shares2026-Q1: 49.0K shares2026-Q2: 42.7K shares
$96.45(+216.63%)
2026-06-30
AZN
ASTRAZENECA PLC
2.49%64.8K$12.3M
-0.61%(-398)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 65.2K shares2026-Q2: 64.8K shares
$135.48(+15.51%)
2026-06-30
TTI
TETRA TECHNOLOGIES INC DEL
2.21%962.2K$10.9M
-1.72%(-16.84K)
2025-Q2: 1.34M shares2025-Q3: 1.27M shares2025-Q4: 1.19M shares2026-Q1: 979.0K shares2026-Q2: 962.2K shares
$2.36(+262.37%)
2026-06-30
VYMI
VANGUARD WHITEHALL FDS
2.08%104.8K$10.3M
+0.44%(+457)
2025-Q2: 102.2K shares2025-Q3: 101.6K shares2025-Q4: 104.0K shares2026-Q1: 104.3K shares2026-Q2: 104.8K shares
$77.13(+35.33%)
2026-06-30
ZS
ZSCALER INC
1.89%66.2K$9.3M
-0.26%(-173)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 66.3K shares2026-Q2: 66.2K shares
$182.60(+0.54%)
2026-06-30

About Marathon Capital Managementโ€™s portfolio

Marathon Capital Management reports $493.93M in US-listed equity holdings across 187 positions in its most recent 13F filing. Its largest disclosed positions are TROW (13.4%), GLW (4.8%) and BIL (3.9%). The top 20 holdings account for 55.18% of reported assets. Its disclosed equity book has returned +29.59% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
TROW โ€” 16.1% ($65.98M)GLW โ€” 5.8% ($23.75M)BIL โ€” 4.7% ($19.31M)GOOG โ€” 3.6% ($14.61M)AMZN โ€” 3.3% ($13.50M)AAPL โ€” 3.0% ($12.34M)AZN โ€” 3.0% ($12.28M)TTI โ€” 2.7% ($10.90M)VYMI โ€” 2.5% ($10.29M)ZS โ€” 2.3% ($9.34M)Other โ€” 53.0% ($216.65M)
47%in top 10
  • TROW16.1%
  • GLW5.8%
  • BIL4.7%
  • GOOG3.6%
  • AMZN3.3%
  • AAPL3.0%
  • AZN3.0%
  • TTI2.7%
  • VYMI2.5%
  • ZS2.3%
  • Other53.0%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
2
WAYWAYSTAR HLDG CORP1.3%
SGOVISHARES TR0.9%
Added to
17
ZTSZOETIS INC+133.2%
BILSPDR SERIES TRUST+7.8%
SYMSYMBOTIC INC+79.5%
BLDRBUILDERS FIRSTSOURCE INC+25.9%
+13 more
Trimmed
31
TROWPRICE T ROWE GROUP INC-9.1%
QCOMQUALCOMM INC-53.3%
GLWCORNING INC-11.6%
MUMICRON TECHNOLOGY INC-45.3%
+27 more

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Source filings

Holdings on this page are parsed from Marathon Capital Managementโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1213206). View Marathon Capital Managementโ€™s 13F filings on SEC

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