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Super Investors Marathon Mission, Inc.
MM

Marathon Mission, Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$198M
Positions
56
Quarter ended
September 30, 2026
Filed
October 01, 2026

Reported portfolio value by quarter (14 quarters reported)

$200M $105M
Q2 23 Q1 24 Q4 24 Q3 25 Q2 26 Q3 26

$108M in Q2 2023 → $198M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
SS SPDR Series Trust 15.4% Added 0.9% 498,156 $30.5M
SS SPDR Series Trust 15.3% Added 0.9% 246,215 $30.3M
WT Wisdomtree Tr 11.5% Trimmed 4.6% 487,826 $22.9M
VT Vanguard Tax-managed Fds 11.2% Added 0.9% 313,945 $22.2M
SS SPDR Series Trust 5.6% Added 0.7% 126,233 $11.2M
SS SPDR Series Trust 4.5% Added 2.0% 84,748 $8.86M
SS SPDR Series Trust 2.8% Added 0.4% 54,707 $5.59M
IT Ishares Tr 2.7% Added 7.5% 236,578 $5.4M
IT Ishares Tr 2.7% Added 2.5% 206,302 $5.29M
SS SPDR Series Trust 2.7% Added 1.7% 49,257 $5.27M
IT Ishares Tr 2.6% Added 2.2% 213,473 $5.14M
Broadcom Inc 1.6% Unchanged 8,866 $3.11M
Nvidia Corporation 1.6% Added 18% 13,630 $3.11M
IT Ishares Tr 1.4% Added 2.5% 112,717 $2.72M
IT Ishares Tr 1.4% Added 2.4% 108,014 $2.7M
IT Ishares Tr 1.3% Added 2.5% 129,200 $2.59M
IT Ishares Tr 1.3% Added 2.6% 102,753 $2.53M
IT Ishares Tr 1.3% Added 2.4% 102,589 $2.51M
IT Ishares Tr 1.0% Added 21% 84,698 $2.04M
IT Ishares Tr 0.9% Added 25% 75,131 $1.78M
Apple Inc 0.8% Added 2.2% 4,978 $1.66M
TS Taiwan Semiconductor Manufac 0.8% Added 2.9% 3,431 $1.57M
Lam Research Corp 0.7% Added 0.7% 3,944 $1.3M
AH Asml Hldg Nv 0.5% Added 3.5% 599 $1.09M
Abbvie Inc 0.5% Added 3.5% 3,989 $1.04M
Alphabet Inc 0.5% Added 0.6% 2,933 $1.01M
Microsoft Corp 0.5% Added 2.4% 1,776 $911K
Hasbro Inc 0.4% Trimmed 0.7% 9,090 $797K
Eaton Corp PLC 0.4% Added 10% 1,737 $746K
Marvell Technology Inc 0.4% Added 2.0% 2,801 $740K
Flowserve Corp 0.4% Added 1.7% 9,864 $721K
Goldman Sachs Group Inc 0.4% Added 0.1% 780 $702K
PF Pnc Finl Svcs Group Inc 0.3% Added 2.7% 3,079 $684K
SC Schwab Charles Corp 0.3% Added 2.6% 6,981 $682K
Ebay Inc. 0.3% Added 33% 6,276 $666K
Blackrock Inc 0.3% Added 5.5% 610 $646K
Advanced Micro Devices Inc 0.3% Added 0.2% 1,051 $643K
Amazon Com Inc 0.3% Added 4.3% 2,434 $606K
Walmart Inc 0.3% Trimmed 18% 5,450 $566K
M& M & T Bk Corp 0.3% Added 3.3% 2,596 $565K
VW Vanguard World Fd 0.3% Unchanged 5,840 $541K
Textron Inc 0.3% Unchanged 6,522 $497K
Everpure Inc 0.2% Trimmed 12% 3,094 $405K
Vertiv Holdings Co 0.2% Added 9.8% 1,533 $370K
IB International Business Machs 0.2% Trimmed 28% 1,627 $358K
East West Bancorp Inc 0.2% Added 5.0% 2,695 $334K
Autonation Inc 0.2% Added 18% 1,976 $311K
Ati Inc 0.2% Added 7.9% 1,606 $304K
EL Eli Lilly & Co 0.2% Added 10% 257 $297K
Alphabet Inc 0.1% Unchanged 868 $296K
CI Caci Intl Inc 0.1% Added 7.7% 477 $291K
Carpenter Technology Corp 0.1% Added 2.1% 745 $290K
Visa Inc 0.1% Added 28% 788 $283K
Cognex Corp 0.1% Added 22% 4,613 $280K
General Dynamics Corp 0.1% Added 8.9% 699 $232K
Rocket Lab Corp 0.1% New 3,177 $221K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 01, 2026

Company Action Shares changed Value of change % of portfolio
WT Wisdomtree Tr Trimmed −23,372 −$1.09M 11.5%
Nvidia Corporation Added +2,076 +$474K 1.6%
SS SPDR Series Trust Exited −4,398 −$386K —
IT Ishares Tr Added +16,515 +$377K 2.7%
IT Ishares Tr Added +15,010 +$355K 0.9%
IT Ishares Tr Added +14,499 +$349K 1.0%
SS SPDR Series Trust Added +4,512 +$276K 15.4%
SS SPDR Series Trust Added +2,166 +$267K 15.3%
Rocket Lab Corp New +3,177 +$221K 0.1%
NS Nxp Semiconductors N V Exited −767 −$216K —

Showing the 10 largest of 54 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 01, 2026

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr New +220,063 +$5.15M 2.6%
IT Ishares Tr Exited −223,377 −$5.13M —
IT Ishares Tr Exited −114,818 −$2.67M —
SS SPDR Series Trust Added +31,113 +$1.89M 15.0%
IT Ishares Tr New +70,199 +$1.8M 0.9%
IT Ishares Tr New +60,121 +$1.51M 0.8%
SS SPDR Series Trust Added +10,456 +$1.24M 14.5%
VW Vanguard World Fd Added +4,672 +$411K 0.3%
SS SPDR Series Trust Added +3,431 +$385K 4.6%
Xylem Inc Exited −2,796 −$334K —

Showing the 10 largest of 54 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 17, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Trimmed −58,542 −$4.48M 0.2%
WT Wisdomtree Tr Added +38,261 +$1.53M 11.9%
SS SPDR Series Trust Added +13,928 +$1.36M 13.3%
IT Ishares Tr Added +11,134 +$281K 3.2%
VT Vanguard Tax-managed Fds Added +4,041 +$259K 11.5%
Ati Inc New +1,488 +$216K 0.1%
IT Ishares Tr Added +8,248 +$216K 3.1%
Visa Inc Exited −612 −$215K —
American Express Co Exited −570 −$211K —
Microsoft Corp Trimmed −564 −$209K 0.4%

Showing the 10 largest of 48 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 05, 2026

Company Action Shares changed Value of change % of portfolio
Paycom Software Inc Exited −2,644 −$550K —
VT Vanguard Tax-managed Fds Added +6,854 +$428K 10.9%
Textron Inc New +4,690 +$409K 0.2%
T-mobile Us Inc Exited −1,088 −$260K —
WT Wisdomtree Tr Added +6,033 +$235K 10.6%
SS SPDR Series Trust Trimmed −2,880 −$231K 2.9%
Carpenter Technology Corp New +730 +$230K 0.1%
EL Eli Lilly & Co New +213 +$229K 0.1%
Chewy Inc Exited −5,373 −$217K —
Advanced Micro Devices Inc New +993 +$213K 0.1%

Showing the 10 largest of 54 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 15, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Exited −218,019 −$5.07M —
IT Ishares Tr New +211,029 +$4.94M 2.9%
IT Ishares Tr Exited −104,799 −$2.54M —
IT Ishares Tr New +92,060 +$2.44M 1.5%
Lam Research Corp New +3,694 +$495K 0.3%
Xylem Inc New +2,639 +$389K 0.2%
Freeport-mcmoran Inc Exited −8,929 −$387K —
Eaton Corp PLC New +1,031 +$386K 0.2%
M& M & T Bk Corp New +1,862 +$368K 0.2%
Prologis Inc. Exited −3,311 −$348K —

Showing the 10 largest of 48 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 02, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR Ser Tr Added +99,976 +$9.53M 13.4%
SS SPDR Ser Tr Trimmed −105,618 −$8.42M 2.7%
SS SPDR Ser Tr Trimmed −101,971 −$7.41M 3.1%
WT Wisdomtree Tr Added +157,140 +$5.42M 10.2%
SS SPDR Ser Tr Added +30,133 +$2.62M 4.3%
SS SPDR Ser Tr Trimmed −30,912 −$2.46M 6.3%
SS SPDR Ser Tr Added +31,044 +$1.62M 15.4%
VT Vanguard Tax-managed Fds Added +13,713 +$782K 10.8%
SS SPDR Ser Tr Added +3,627 +$322K 2.5%
PS Pure Storage Inc New +4,409 +$254K 0.2%

Showing the 10 largest of 46 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 15, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr New +92,303 +$2.36M 1.7%
SS SPDR Ser Tr Added +21,709 +$1.74M 6.9%
SS SPDR Ser Tr Trimmed −32,064 −$1.64M 15.5%
IT Ishares Tr Trimmed −39,102 −$945K 1.7%
IT Ishares Tr Trimmed −37,255 −$902K 1.7%
SS SPDR Ser Tr Added +10,821 +$860K 2.7%
IT Ishares Tr Trimmed −23,630 −$549K 3.5%
Hasbro Inc New +8,847 +$544K 0.4%
Blackrock Inc Exited −504 −$517K —
Blackrock Inc New +504 +$477K 0.3%

Showing the 10 largest of 33 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 08, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR Ser Tr Added +16,049 +$821K 16.2%
IT Ishares Tr Added +22,338 +$582K 2.9%
VT Vanguard Tax-managed Fds Added +10,195 +$488K 9.2%
SS SPDR Ser Tr Added +5,563 +$485K 9.6%
IT Ishares Tr Added +17,026 +$418K 3.2%
Elevance Health Inc Exited −770 −$400K —
AH Asml Holding N V New +527 +$365K 0.2%
SS SPDR Ser Tr Added +4,157 +$333K 8.6%
WT Wisdomtree Tr Added +9,973 +$304K 6.3%
Marvell Technology Inc New +2,485 +$274K 0.2%

Showing the 10 largest of 42 changes.

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