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Super Investors October Effect Ltd
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October Effect Ltd

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

Portfolio value
$98.3M
Positions
62
Quarter ended
September 30, 2026
Filed
October 20, 2026

Reported portfolio value by quarter (6 quarters reported)

$106M $82.9M
Q2 25 Q4 25 Q2 26 Q3 26

$82.9M in Q2 2025 → $98.3M 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
Nvidia Corporation 8.5% Trimmed 0.8% 36,461 $8.33M
Western Digital Corp 5.5% Trimmed 5.9% 11,841 $5.38M
Meta Platforms Inc 5.1% Unchanged 6,916 $5.02M
SS SPDR Series Trust 4.7% Added 18% 50,741 $4.65M
Advanced Micro Devices Inc 4.5% Trimmed 0.7% 7,172 $4.39M
Intel Corp 4.2% Trimmed 6.4% 34,572 $4.16M
NE Neos ETF Trust 3.7% Added 324% 65,744 $3.65M
Reddit Inc 3.6% Trimmed 11% 25,018 $3.56M
GA Ge Aerospace 3.5% Trimmed 0.0% 11,059 $3.45M
SS State Str SPDR S&P 500 ETF T 3.5% Added 9.2% 4,473 $3.41M
Alphabet Inc 3.2% Added 12% 9,022 $3.1M
SA Sprott Asset Management LP 2.8% Added 8.2% 140,670 $2.72M
DS Direxion Shares ETF Trust 2.7% Added 57% 18,190 $2.69M
SS SPDR Series Trust 2.5% Trimmed 1.5% 27,669 $2.48M
IE Innovator Etfs Trust 2.4% Trimmed 0.1% 66,265 $2.39M
AM Applied Matls Inc 2.4% Trimmed 3.1% 4,621 $2.36M
SA Ssga Active Tr 2.3% Added 12% 34,751 $2.31M
IT Ishares Tr 1.9% Trimmed 4.4% 14,784 $1.85M
SS SPDR Series Trust 1.8% Trimmed 3.5% 65,294 $1.78M
FC Fidelity Covington Trust 1.8% Trimmed 1.7% 27,740 $1.75M
SI SPDR Index Shs Fds 1.7% Added 15% 33,789 $1.7M
SI SPDR Index Shs Fds 1.7% Added 12% 31,680 $1.64M
Micron Technology Inc 1.7% Trimmed 0.6% 1,530 $1.63M
Lumen Technologies Inc 1.6% Added 4.6% 288,925 $1.62M
IT Ishares Tr 1.6% Added 0.5% 16,321 $1.54M
Oracle Corp 1.5% Trimmed 49% 11,078 $1.52M
Applied Optoelectronics Inc 1.5% Trimmed 40% 15,191 $1.51M
Amazon Com Inc 1.3% Trimmed 14% 5,053 $1.26M
PT Proshares Tr 1.2% Trimmed 5.4% 15,022 $1.17M
Gilead Sciences Inc 1.0% Unchanged 6,885 $1.03M
VW Vanguard World Fd 1.0% Trimmed 3.3% 7,689 $966K
CE Calamos ETF Tr 0.8% New 31,230 $831K
Tesla Inc 0.7% Trimmed 9.1% 2,043 $725K
IT Ishares Tr 0.7% Trimmed 3.5% 9,446 $714K
SS SPDR Series Trust 0.7% Added 6.7% 13,172 $696K
IE Innovator Etfs Trust 0.7% Added 19% 19,827 $685K
IT Ishares Tr 0.7% Trimmed 4.0% 4,649 $640K
Fifth Third Bancorp 0.6% Unchanged 12,493 $632K
Lockheed Martin Corp 0.6% Unchanged 1,210 $616K
Altria Group Inc 0.6% Trimmed 2.7% 8,927 $601K
Apple Inc 0.6% Trimmed 2.3% 1,715 $571K
SS SPDR Series Trust 0.5% Added 13% 7,885 $497K
Pepsico Inc 0.5% Unchanged 3,812 $483K
Netflix Inc. 0.4% Trimmed 25% 6,288 $438K
Rackspace Technology Inc 0.4% Added 40% 112,909 $421K
SA Ssga Active Tr 0.4% Added 30% 17,148 $419K
SS SPDR Series Trust 0.4% Added 2.1% 4,506 $418K
SI SPDR Index Shs Fds 0.4% Added 14% 8,773 $400K
BE Baron ETF Tr 0.4% Trimmed 2.9% 15,780 $370K
SG SPDR Gold Tr 0.4% Added 7.8% 931 $355K
FT First Tr Exchange-traded Fd 0.4% Unchanged 1,972 $351K
SS SPDR Series Trust 0.3% Added 22% 8,132 $319K
Uranium Energy Corp 0.3% New 30,700 $290K
SP Suburban Propane Partners L 0.3% Unchanged 16,900 $278K
FT First Tr Exchange-traded Fd 0.3% Unchanged 1,800 $277K
PM Philip Morris Intl Inc 0.3% Trimmed 9.4% 1,446 $276K
Tc Energy Corp 0.3% Unchanged 4,300 $248K
Fubotv Inc 0.2% New 26,900 $241K
VI Vanguard Index Fds 0.2% Trimmed 14% 696 $203K
FT First Tr Exchange-traded Fd 0.2% New 696 $201K

Showing top 60 of 62 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 5 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 20, 2026

Company Action Shares changed Value of change % of portfolio
NE Neos ETF Trust Added +50,237 +$2.79M 3.7%
Oracle Corp Trimmed −10,613 −$1.46M 1.5%
SE Space Exploration Techn Corp Exited −6,475 −$1.11M —
NG Nebius Group N.v. Exited −3,900 −$1.08M —
Applied Optoelectronics Inc Trimmed −10,000 −$993K 1.5%
DS Direxion Shares ETF Trust Added +6,614 +$978K 2.7%
CE Calamos ETF Tr New +31,230 +$831K 0.8%
SS SPDR Series Trust Added +7,658 +$702K 4.7%
SS SPDR Series Trust Exited −2,444 −$694K —
Magnolia Oil & Gas Corp Exited −25,990 −$665K —

Showing the 10 largest of 58 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 21, 2026

Company Action Shares changed Value of change % of portfolio
DS Direxion Shares ETF Trust Trimmed −48,556 −$13M 2.9%
Western Digital Corp Added +9,241 +$5.9M 7.6%
Intel Corp New +36,941 +$5.16M 4.9%
Reddit Inc New +28,039 +$4.87M 4.6%
Nvidia Corporation Trimmed −18,945 −$3.79M 6.9%
Applied Optoelectronics Inc New +25,191 +$3.73M 3.5%
AM Applied Matls Inc New +4,770 +$3.45M 3.2%
Ge Vernova Inc Exited −3,674 −$3.21M —
Oracle Corp New +21,691 +$3.18M 3.0%
PT Proshares Tr Trimmed −38,648 −$3.13M 1.2%

Showing the 10 largest of 67 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 21, 2026

Company Action Shares changed Value of change % of portfolio
SA Sprott Asset Management LP New +180,793 +$4.41M 5.1%
Cormedix Inc Exited −306,444 −$3.56M —
Palantir Technologies Inc Exited −15,450 −$2.75M —
Hycroft Mining Holding Corp New +68,856 +$2.42M 2.8%
DS Direxion Shs ETF Tr Exited −9,589 −$2.12M —
Insmed Inc Exited −12,121 −$2.11M —
Magnolia Oil & Gas Corp New +58,680 +$1.85M 2.1%
Borr Drilling Ltd New +311,761 +$1.8M 2.1%
A10 Networks Inc Exited −100,437 −$1.78M —
DS Direxion Shares ETF Trust Trimmed −35,546 −$1.7M 3.3%

Showing the 10 largest of 66 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 20, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Trimmed −101,858 −$9.31M 5.6%
DS Direxion Shs ETF Tr New +95,678 +$4.02M 4.4%
PT Proshares Tr New +61,493 +$3.24M 3.6%
Palantir Technologies Inc New +15,450 +$2.75M 3.0%
Tesla Inc New +5,610 +$2.52M 2.8%
Vistra Corp Exited −12,649 −$2.48M —
DS Direxion Shs ETF Tr New +9,589 +$2.12M 2.3%
Insmed Inc New +12,121 +$2.11M 2.3%
Reddit Inc Exited −8,303 −$1.91M —
Alphabet Inc Added +5,301 +$1.66M 2.2%

Showing the 10 largest of 57 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 31, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Added +91,553 +$8.4M 15.9%
Palantir Technologies Inc Exited −38,922 −$5.31M —
Reddit Inc Trimmed −17,311 −$3.98M 2.1%
DS Direxion Shs ETF Tr Exited −138,990 −$3.49M —
Palo Alto Networks Inc New +15,582 +$3.17M 3.5%
Advanced Micro Devices Inc Trimmed −17,878 −$2.89M 1.3%
A10 Networks Inc New +153,490 +$2.79M 3.1%
Vistra Corp Trimmed −9,627 −$1.89M 2.7%
PT Proshares Tr Exited −20,569 −$1.71M —
Ionq Inc New +22,000 +$1.35M 1.5%

Showing the 10 largest of 54 changes.

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