Institutional Manager · CIK 0001213206
MARATHON CAPITAL MANAGEMENT
Hunt Valley, MD · File #028-12098
Latest AUM
$464.7M
Positions
171
Top-10 Concentration
46.3%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | ZOETIS INC | ZTS | +35,150 | +$4.4M | $0 |
| ADD | SPDR SERIES TRUST | 78468R663 | +38,842 | +$3.5M | -$45,352 |
| REDUCE | PRICE T ROWE GROUP INC | TROW | -31,500 | -$3.2M | -$178,002 |
| ADD | ALMONTY INDS INC | 020398707 | +343,280 | +$3.0M | +$695,653 |
| REDUCE | SLB LIMITED | SLB | -76,021 | -$2.9M | +$540,370 |
| REDUCE | COPA HOLDINGS SA | CPA | -19,820 | -$2.4M | +$127,757 |
| ADD | NOVO-NORDISK A S | NONOF | +25,230 | +$1.3M | -$264,960 |
| ADD | LOCKHEED MARTIN CORP | LMT | +2,403 | +$1.2M | -$7,457 |
| NEW | AMPLITUDE INC | AMPL | +88,600 | +$1.0M | $0 |
| ADD | SPDR S&P 500 ETF TR | SPY | +1,416 | +$965,599 | +$22,587 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025171 pos · $464.7M
- 13F HOLDINGS REPORTQ/E Sep 2025163 pos · $437.0M
- 13F HOLDINGS REPORTQ/E Jun 2025166 pos · $392.6M
- 13F HOLDINGS REPORTQ/E Mar 2025158 pos · $375.5M
- 13F HOLDINGS REPORTQ/E Dec 2024155 pos · $400.4M
- 13F HOLDINGS REPORTQ/E Sep 2024154 pos · $412.5M
- 13F HOLDINGS REPORTQ/E Jun 2024145 pos · $392.4M
- 13F HOLDINGS REPORTQ/E Mar 2024154 pos · $419.1M
- 13F HOLDINGS REPORTQ/E Dec 2023158 pos · $397.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | PRICE T ROWE GROUP INC | TROW | 653,125 | $66.9M | 17.10% |
| 2 | CORNING INC | GLW | 185,415 | $16.2M | 4.15% |
| 3 | SPDR SERIES TRUST | 78468R663 | 161,415 | $14.8M | 3.77% |
| 4 | ASTRAZENECA PLC | AZN | 157,747 | $14.5M | 3.71% |
| 5 | ALPHABET INC | GOOG | 43,155 | $13.5M | 3.46% |
| 6 | APPLE INC | AAPL | 48,820 | $13.3M | 3.40% |
| 7 | TETRA TECHNOLOGIES INC DEL | 88162F105 | 1,191,195 | $11.2M | 2.86% |
| 8 | MICROSOFT CORP | MSFT | 22,942 | $11.1M | 2.84% |
| 9 | QUALCOMM INC | QCOM | 60,104 | $10.3M | 2.63% |
| 10 | DIAMONDBACK ENERGY INC | FANG | 62,678 | $9.4M | 2.41% |
| 11 | INTERNATIONAL BUSINESS MACHS | INTR | 31,648 | $9.4M | 2.40% |
| 12 | VANGUARD WHITEHALL FDS | 921946794 | 104,027 | $9.4M | 2.39% |
| 13 | CHEVRON CORP NEW | CVX | 58,759 | $9.0M | 2.29% |
| 14 | ADMA BIOLOGICS INC | ADMA | 465,315 | $8.5M | 2.17% |
| 15 | METLIFE INC | MET-PF | 103,653 | $8.2M | 2.09% |
| 16 | ALLISON TRANSMISSION HLDGS I | ALSN | 74,458 | $7.3M | 1.86% |
| 17 | AMAZON COM INC | AMZN | 30,257 | $7.0M | 1.79% |
| 18 | JPMORGAN CHASE & CO. | VYLD | 21,199 | $6.8M | 1.75% |
| 19 | REALTY INCOME CORP | O | 113,208 | $6.4M | 1.63% |
| 20 | COPA HOLDINGS SA | CPA | 51,553 | $6.2M | 1.59% |