CIK: 0001639666
Total reported value
$1.0B
Reporting period: 2026-06-30 · Number of holdings: 226
ISTHMUS PARTNERS, LLC disclosed 226 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $1.0B and a quarterly turnover rate of 26.1%.
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Isthmus Partners, LLC's disclosed holdings carry a Herfindahl concentration index of 0.013 — mathematically equivalent to about 75 equally-sized positions, well below its 226 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.42), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
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Trim ALSN
-93.7% -$15.3M
Sold out CTRA
Sold out AMCR
New buy DVN
New buy AMCR
New buy CPRT
Showing top 200 holdings (of 226 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | IEFA | Ishares Core Msci Eafe ETF | ETF-Other | 4.71% | -0.14% | -1.33% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 2.58% | +0.16% | +1.36% | |
| 3 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 2.42% | +0.30% | -0.12% | |
| 4 | AMAT | Applied Materials Inc | Stock-Tech | 2.38% | +0.75% | -25.36% | |
| 5 | AVGO | Broadcom Inc | Stock-Tech | 2.09% | +0.20% | -1.52% | |
| 6 | V | Visa Inc-class A Shares | Stock-Financials | 2.02% | +0.08% | -0.68% | |
| 7 | JNJ | Johnson & Johnson | Stock-Healthcare | 1.98% | -0.11% | -1.39% | |
| 8 | BNY | Bank Of New York Mellon CORP | Stock-Financials | 1.91% | +0.13% | -4.81% | |
| 9 | ROK | Rockwell Automation Inc | Stock-Industrials | 1.85% | +0.37% | -1.77% | |
| 10 | GWW | Ww Grainger Inc | Stock-Industrials | 1.83% | +0.22% | -0.90% | |
| 11 | MSFT | Microsoft CORP | Stock-Tech | 1.82% | -0.02% | +6.27% | |
| 12 | TT | Trane Technologies plc | Stock-Industrials | 1.81% | +0.10% | -2.47% | |
| 13 | SPEM | State Street Sp Ptf Em ETF | ETF-Other | 1.71% | — | -1.82% | |
| 14 | ABBV | Abbvie Inc | Stock-Healthcare | 1.63% | +0.10% | +0.09% | |
| 15 | PNC | Pnc Financial Services Group | Stock-Financials | 1.63% | +0.13% | -0.32% | |
| 16 | FITB | Fifth Third Bancorp | Stock-Financials | 1.60% | +0.16% | -1.08% | |
| 17 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 1.54% | -0.09% | +1.12% | |
| 18 | EMR | Emerson Electric Co | Stock-Industrials | 1.43% | +0.02% | +0.53% | |
| 19 | ZBRA | Zebra Technologies Corp-cl A | Stock-Tech | 1.43% | +0.21% | +0.79% | |
| 20 | WRB | Wr Berkley CORP | Stock-Financials | 1.41% | -0.01% | +1.05% | |
| 21 | CHRW | C.h. Robinson Worldwide Inc | Stock-Industrials | 1.37% | +0.06% | +0.55% | |
| 22 | SYY | Sysco CORP | Stock-Consumer Staples | 1.35% | +0.12% | +1.45% | |
| 23 | AZO | Autozone Inc | Stock-Consumer Disc | 1.35% | -0.18% | +0.85% | |
| 24 | UPS | United Parcel Service-cl B | Stock-Industrials | 1.35% | +0.02% | +0.77% | |
| 25 | PSA | Public Storage | Stock-Real Estate | 1.32% | +0.08% | -1.25% | |
| 26 | CBOE | Cboe Global Markets Inc | Stock-Financials | 1.32% | -0.33% | +0.11% | |
| 27 | CL | Colgate-palmolive Co | Stock-Consumer Staples | 1.31% | +0.01% | +1.80% | |
| 28 | SLB | Slb LTD | Stock-Energy | 1.29% | -0.25% | +0.01% | |
| 29 | HCA | Hca Healthcare Inc | Stock-Healthcare | 1.25% | -0.37% | +1.88% | |
| 30 | DXCM | Dexcom Inc | Stock-Healthcare | 1.21% | +0.01% | +1.98% | |
| 31 | PAYX | Paychex Inc | Stock-Tech | 1.21% | — | +1.16% | |
| 32 | COR | Cencora Inc | Stock-Healthcare | 1.20% | -0.19% | +3.90% | |
| 33 | LMT | Lockheed Martin CORP | Stock-Industrials | 1.19% | -0.32% | +1.88% | |
| 34 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 1.15% | -0.26% | +1.88% | |
| 35 | LOW | Lowe's Cos Inc | Stock-Consumer Disc | 1.12% | -0.16% | +1.83% | |
| 36 | DVN | Devon Energy CORP | Stock-Energy | 1.09% | +1.09% | NEW | |
| 37 | VLTO | Veralto CORP | Stock-Industrials | 1.08% | -0.13% | -3.50% | |
| 38 | AMCR | Amcor plc | Stock-Consumer Disc | 1.06% | +1.06% | NEW | |
| 39 | CPRT | Copart Inc | Stock-Industrials | 1.04% | +1.04% | NEW | |
| 40 | HSY | Hershey Co/the | Stock-Consumer Staples | 1.03% | -0.26% | +2.21% | |
| 41 | PYPL | Paypal Holdings Inc | Stock-Financials | 1.01% | -0.09% | +4.64% | |
| 42 | KNSL | Kinsale Capital Group Inc | Stock-Financials | 0.90% | -0.03% | +8.83% | |
| 43 | SPTM | Ss Spdr P S&p 1500 Comp ETF | ETF-Other | 0.88% | +0.09% | +5.08% | |
| 44 | IT | Gartner Inc | Stock-Tech | 0.84% | -0.32% | -3.86% | |
| 45 | VRSK | Verisk Analytics Inc | Stock-Industrials | 0.74% | +0.74% | NEW | |
| 46 | ZTS | Zoetis Inc | Stock-Healthcare | 0.74% | -0.52% | +4.38% | |
| 47 | PCAR | Paccar Inc | Stock-Industrials | 0.71% | -0.03% | +1.07% | |
| 48 | ADBE | Adobe Inc | Stock-Tech | 0.65% | +0.65% | NEW | |
| 49 | LGND | Ligand Pharmaceuticals | Stock-Healthcare | 0.64% | +0.14% | -12.98% | |
| 50 | GVI | Ishares Intermediate Governm | ETF-Other | 0.58% | -0.06% | -2.00% |
Performance for Q3 2026
+7.6%
Performance Last 4 Quarters
+22%
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 226 | $1.0B | 26 | ||
| 2026 Q1 | 218 | $953.4M | 65 | ||
| 2025 Q4 | 214 | $900.5M | 79 | ||
| 2025 Q3 | 176 | $450.8M | 83 | ||
| 2025 Q2 | 217 | $856.1M | 0 | ||
| 2025 Q1 | 212 | $798.8M | 100 | ||
| 2024 Q4 | 217 | $822.7M | 0 | ||
| 2024 Q3 | 195 | $841.7M | 0 | ||
| 2024 Q2 | 196 | $849.2M | 0 | ||
| 2024 Q1 | 197 | $881.0M | 0 | ||
| 2023 Q4 | 197 | $769.0M | 0 | ||
| 2023 Q3 | 168 | $693.2M | 0 | ||
| 2023 Q2 | 168 | $733.3M | 0 | ||
| 2023 Q1 | 164 | $709.3M | 0 | ||
| 2022 Q4 | 166 | $665.8M | 0 | ||
| 2022 Q3 | 164 | $581.0M | 0 | ||
| 2022 Q2 | 145 | $535.7M | 0 | ||
| 2022 Q1 | 147 | $608.4M | 0 | ||
| 2021 Q4 | 148 | $596.5M | 0 | ||
| 2021 Q3 | 154 | $551.5M | 0 | ||
| 2021 Q2 | 273 | $568.1M | 98 | ||
| 2021 Q1 | 143 | $544.8M | 24 | ||
| 2020 Q4 | 143 | $492.9M | 21 | ||
| 2020 Q3 | 140 | $428.2M | 12 | ||
| 2020 Q2 | 142 | $405.8M | 27 | ||
| 2020 Q1 | 136 | $325.5M | 42 | ||
| 2019 Q4 | 139 | $439.3M | 18 | ||
| 2019 Q3 | 138 | $422.1M | 13 | ||
| 2019 Q2 | 138 | $418.8M | 100 | ||
| 2019 Q1 | 136 | $410.7M | 100 | ||
| 2018 Q4 | 132 | $332.8M | 36 | ||
| 2018 Q3 | 282 | $396.6M | 14 | ||
| 2018 Q2 | 270 | $383.5M | 25 | ||
| 2018 Q1 | 267 | $370.2M | 17 | ||
| 2017 Q4 | 301 | $367.5M | 20 | ||
| 2017 Q3 | 308 | $356.2M | 9 | ||
| 2017 Q2 | 283 | $341.9M | 18 | ||
| 2017 Q1 | 297 | $340.7M | 16 | ||
| 2016 Q4 | 308 | $331.4M | 15 | ||
| 2016 Q3 | 274 | $315.7M | 11 | ||
| 2016 Q2 | 248 | $304.0M | 22 | ||
| 2016 Q1 | 251 | $299.6M | 31 | ||
| 2015 Q4 | 279 | $286.6M | 34 | ||
| 2015 Q3 | 279 | $272.6M | 36 | ||
| 2015 Q2 | 281 | $302.7M | 18 | ||
| 2015 Q1 | 266 | $295.4M | 20 | ||
| 2014 Q4 | 282 | $293.8M | 0 |
Isthmus Partners, LLC's most significant position changes for 2026-06-30: Sold out: Coterra Energy Inc (CTRA); Sold out: Amcor plc (AMCR); New buy: Devon Energy CORP (DVN); New buy: Amcor plc (AMCR); New buy: Copart Inc (CPRT).
Showing top 200 changes by size (of 236 total)
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | DVN | Devon Energy CORP | +1.1% | NEW | New buy |
| 2 | AMCR | Amcor plc | +1.1% | NEW | New buy |
| 3 | CPRT | Copart Inc | +1% | NEW | New buy |
| 4 | AMAT | Applied Materials Inc | +0.8% | -25.36% | Trim |
| 5 | VRSK | Verisk Analytics Inc | +0.7% | NEW | New buy |
| 6 | ADBE | Adobe Inc | +0.7% | NEW | New buy |
| 7 | ROK | Rockwell Automation Inc | +0.4% | -1.77% | Trim |
| 8 | GOOGL | Alphabet Inc-cl A | +0.3% | -0.12% | Trim |
| 9 | GWW | Ww Grainger Inc | +0.2% | -0.90% | Trim |
| 10 | ZBRA | Zebra Technologies Corp-cl A | +0.2% | +0.79% | Add |
| 11 | AVGO | Broadcom Inc | +0.2% | -1.52% | Trim |
| 12 | APPF | Appfolio Inc - A | +0.2% | NEW | New buy |
| 13 | PAYC | Paycom Software Inc | +0.2% | NEW | New buy |
| 14 | BFLY | Butterfly Network Inc | +0.2% | -18.14% | Trim |
| 15 | NVEC | Nve CORP | +0.2% | -0.25% | Trim |
| 16 | XPEL | Xpel Inc | +0.2% | NEW | New buy |
| 17 | BRBR | Bellring Brands Inc | +0.2% | NEW | New buy |
| 18 | AAPL | Apple Inc | +0.2% | +1.36% | Add |
| 19 | FITB | Fifth Third Bancorp | +0.2% | -1.08% | Trim |
| 20 | CAT | Caterpillar Inc | +0.2% | -0.46% | Trim |
| 21 | FTDR | Frontdoor Inc | +0.1% | -1.66% | Trim |
| 22 | LGND | Ligand Pharmaceuticals | +0.1% | -12.98% | Trim |
| 23 | UFPT | Ufp Technologies Inc | +0.1% | +43.49% | Add |
| 24 | BNY | Bank Of New York Mellon CORP | +0.1% | -4.81% | Trim |
| 25 | PNC | Pnc Financial Services Group | +0.1% | -0.32% | Trim |
| 26 | LNTH | Lantheus Holdings Inc | +0.1% | +0.67% | Add |
| 27 | REYN | Reynolds Consumer Products I | +0.1% | +29.09% | Add |
| 28 | INTC | Intel CORP | +0.1% | -31.58% | Trim |
| 29 | SYY | Sysco CORP | +0.1% | +1.45% | Add |
| 30 | TILE | Interface Inc | +0.1% | -1.78% | Trim |
| 31 | APLE | Apple Hospitality Reit Inc | +0.1% | +0.53% | Add |
| 32 | TT | Trane Technologies plc | +0.1% | -2.47% | Trim |
| 33 | ABBV | Abbvie Inc | +0.1% | +0.09% | Add |
| 34 | BLFS | Biolife Solutions Inc | +0.1% | +2.20% | Add |
| 35 | SPTM | Ss Spdr P S&p 1500 Comp ETF | +0.1% | +5.08% | Add |
| 36 | HAE | Haemonetics Corp/mass | +0.1% | +1.11% | Add |
| 37 | CXT | Crane Nxt Co | +0.1% | +14.42% | Add |
| 38 | V | Visa Inc-class A Shares | +0.1% | -0.68% | Trim |
| 39 | PSA | Public Storage | +0.1% | -1.25% | Trim |
| 40 | APOG | Apogee Enterprises Inc | +0.1% | +1.44% | Add |
| 41 | OABI | Omniab Inc | +0.1% | +6.18% | Add |
| 42 | CHRW | C.h. Robinson Worldwide Inc | +0.1% | +0.55% | Add |
| 43 | GRBK | Green Brick Partners Inc | +0.1% | +2.16% | Add |
| 44 | HURN | Huron Consulting Group Inc | +0.1% | +115.09% | Add |
| 45 | SAIC | Science Applications Inte | +0.1% | NEW | New buy |
| 46 | ACLS | Axcelis Technologies Inc | +0.1% | -40.05% | Trim |
| 47 | ATKR | Atkore Inc | +0.1% | +3.55% | Add |
| 48 | AMAL | Amalgamated Financial CORP | 0% | -0.79% | Trim |
| 49 | RLI | Rli CORP | 0% | +19.57% | Add |
| 50 | SRCE | 1st Source CORP | 0% | +0.95% | Add |
Isthmus Partners, LLC returned an annualized 13.9% over the trailing 36 months — underperforming the S&P 500 by 3.0 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.85 (less volatile than the market) and a 31% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active.
Its turnover score has risen from 0 to 26 over the past 4 quarters — a shift toward more active trading.
It has added to its GWW position over the past two quarters (+$4.6M, now $18.9M), while trimming COR over the same stretch (-$6.8M, still holding $12.4M).
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