Funds · 13F filer · Madison, WI

Isthmus Partners, LLC

$1.0B in 226 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+17.3%S&P 500 +20.9%
3y return+36.0%S&P 500 +68.5%
5y return+34.9%S&P 500 +74.5%
10y return+167.6%S&P 500 +256.5%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since June 30, 2016: $268 against $357 in the S&P 500.2

Isthmus Partners, LLCS&P 500 (SPY)
$100$35720162026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
IEFAIshares Tr$48.7M4.7%−1.3%
AAPLApple Inc$26.7M2.6%+1.4%
GOOGLAlphabet Inc$25.0M2.4%
AMATApplied Matls Inc$24.6M2.4%−25.4%
AVGOBroadcom Inc$21.6M2.1%−1.5%
VVisa Inc$20.9M2.0%
JNJJohnson & Johnson$20.4M2.0%−1.4%
BNYBank Of Ny Mellon Corp$19.7M1.9%−4.8%
ROKRockwell Automation Inc$19.1M1.8%−1.8%
GWWWw Grainger Inc$18.9M1.8%
MSFTMicrosoft Corp$18.8M1.8%+6.3%
Trane Technologies PLCCUSIP G8994E103$18.8M1.8%−2.5%
SPEMSpdr Index Shs Fds$17.7M1.7%−1.8%
ABBVAbbvie Inc$16.9M1.6%
PNCPnc Finl Svcs Group Inc$16.9M1.6%
FITBFifth Third Bancorp$16.5M1.6%−1.1%
PGProcter & Gamble Co$15.9M1.5%+1.1%
EMREmerson Elec Co$14.8M1.4%
ZBRAZebra Technologies Corporati$14.8M1.4%
WRBBerkley W R Corp$14.6M1.4%+1.0%
CHRWC H Robinson Worldwide In$14.2M1.4%
SYYSysco Corp$14.0M1.4%+1.5%
AZOAutozone Inc$14.0M1.3%
UPSUnited Parcel Svcs Inc$13.9M1.3%
PSAPublic Storage$13.7M1.3%−1.3%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
AMATApplied Matls IncMarch 31, 2023+488.6%$24.6M
GOOGLAlphabet IncJune 30, 2020+404.0%$25.0M
GWWWw Grainger IncJune 30, 2020+333.0%$18.9M
BNYBank Of Ny Mellon CorpJune 30, 2020+274.1%$19.7M
Trane Technologies PLCCUSIP G8994E103March 31, 2022+221.7%$18.8M
AAPLApple IncJune 30, 2020+217.3%$26.7M
FITBFifth Third BancorpJune 30, 2020+192.4%$16.5M
SLBSlb LimitedJune 30, 2020+152.8%$13.3M
CHRWC H Robinson Worldwide InJune 30, 2020+138.2%$14.2M
PNCPnc Finl Svcs Group IncJune 30, 2020+134.0%$16.9M

Sold off last quarter

  • CTRACoterra Energy Inc was $13.7M
  • Amcor PLC FCUSIP G0250X107 was $11.7M
  • BAHBooz Allen Hamilton Holding Corp. was $9.9M
  • EMBCEmbecta Corp. was $1.3M
  • USBU.S. Bancorp. was $658K
  • OTCMOtc Markets Group Inc was $646K
  • TWSTTwist Bioscience Corporation was $435K
  • WEXWEX Inc was $390K
  • EXPOExponent Inc was $221K
  • PSXPhillips 66 was $202K

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+8.7%+14.8%
March 31, 2026−0.1%−4.6%
December 31, 2025+3.1%+2.4%
September 30, 2025+4.8%+7.8%
June 30, 2025+5.5%+10.5%
March 31, 2025−4.0%−4.6%
December 31, 2024−2.6%+2.1%
September 30, 2024+9.3%+5.4%
June 30, 2024−3.3%+4.0%
March 31, 2024+6.3%+10.0%
December 31, 2023+10.7%+11.2%
September 30, 2023−5.5%−3.6%
June 30, 2023+3.3%+8.3%
March 31, 2023+3.7%+7.0%
December 31, 2022+10.0%+7.1%
September 30, 2022−5.7%−5.3%
June 30, 2022−12.8%−16.5%
March 31, 2022−2.8%−4.9%
December 31, 2021+8.1%+10.7%
September 30, 2021−2.6%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1639666
  2. 2
    Filed July 20, 2026 · accession 0001104659-26-084982