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Super Investors Corton Capital Inc.
CC

Corton Capital Inc.

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

Portfolio value
$40.7M
Positions
189
Quarter ended
September 30, 2025
Filed
November 14, 2025

Reported portfolio value by quarter (16 quarters reported)

$314M $30.2M
Q4 21 Q4 22 Q4 23 Q4 24 Q3 25

$225M in Q4 2021 → $40.7M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2025. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
ZI Zim Integrated Shipping Serv 1.3% Added 16% 40,143 $544K
Intel Corp 1.1% Trimmed 53% 13,836 $464K
Western Digital Corp 1.1% Trimmed 64% 3,673 $441K
Apellis Pharmaceuticals Inc 1.0% Trimmed 12% 18,427 $417K
Viasat Inc 1.0% Trimmed 56% 13,747 $403K
Lockheed Martin Corp 1.0% New 804 $401K
GA Ge Aerospace 1.0% Trimmed 11% 1,317 $396K
Tutor Perini Corp 1.0% Added 32% 5,985 $393K
CS Cooper Std Hldgs Inc 0.9% New 10,404 $384K
Intuit 0.9% New 562 $384K
Hf Sinclair Corp 0.9% New 7,192 $376K
CW Costco Whsl Corp New 0.9% New 398 $368K
AT American Tower Corp New 0.9% Added 66% 1,878 $361K
Pagaya Technologies Ltd 0.9% Trimmed 59% 11,657 $346K
BH Bakkt Holdings Inc 0.8% New 10,213 $344K
II Insteel Inds Inc 0.8% Added 3.9% 8,936 $343K
Avis Budget Group 0.8% New 2,105 $338K
Revolution Medicines Inc 0.8% New 7,030 $328K
U Haul Holding Company 0.8% New 5,558 $317K
Natera Inc 0.8% Added 5.8% 1,916 $308K
Carnival Corp 0.8% New 10,645 $308K
Vera Therapeutics Inc 0.8% New 10,562 $307K
Excelerate Energy Inc 0.8% Trimmed 32% 12,137 $306K
PP Par Pac Holdings Inc 0.7% New 8,607 $305K
FD Fresh Del Monte Produce Inc 0.7% Added 40% 8,747 $304K
MP Motorcar Pts Amer Inc 0.7% New 17,879 $296K
BH Block H & R Inc 0.7% New 5,822 $294K
Valaris Ltd 0.7% Trimmed 52% 6,035 $294K
Hagerty Inc 0.7% Trimmed 11% 24,157 $291K
Nabors Industries Ltd 0.7% Trimmed 49% 7,082 $289K
Tyson Foods Inc 0.7% Added 38% 5,322 $289K
Pcb Bancorp 0.7% Trimmed 9.4% 13,688 $287K
MP Marathon Pete Corp 0.7% Trimmed 60% 1,485 $286K
Phillips 66 0.7% New 2,084 $283K
Dole PLC 0.7% Trimmed 8.9% 21,033 $283K
Adient PLC 0.7% Trimmed 28% 11,704 $282K
OA Oreilly Automotive Inc 0.7% New 2,604 $281K
Ionq Inc 0.7% New 4,527 $278K
Autodesk Inc 0.7% New 872 $277K
Advanced Micro Devices Inc 0.7% New 1,705 $276K
MH Medpace Hldgs Inc 0.7% New 535 $275K
Welltower Inc 0.7% New 1,504 $268K
Solaredge Technologies Inc 0.7% Trimmed 62% 7,204 $267K
Sprinklr Inc 0.6% Trimmed 1.7% 33,921 $262K
Clearwater Paper Corp 0.6% Added 9.3% 12,484 $259K
Snowflake Inc 0.6% Added 25% 1,141 $257K
Apa Corporation 0.6% New 10,592 $257K
PH Paylocity Hldg Corp 0.6% New 1,612 $257K
Davita Inc 0.6% New 1,929 $256K
EP Essex Ppty Tr Inc 0.6% Added 22% 954 $255K
Midland States Bancorp Inc 0.6% Added 7.3% 14,685 $252K
Syndax Pharmaceuticals Inc 0.6% Trimmed 8.9% 16,267 $250K
Ventas Inc 0.6% New 3,569 $250K
Interdigital Inc 0.6% Trimmed 30% 719 $248K
Airbnb Inc 0.6% New 2,034 $247K
CH Commscope Hldg Co Inc 0.6% New 15,909 $246K
Sandisk Corp 0.6% New 2,165 $243K
CC Charter Communications Inc N 0.6% Trimmed 29% 882 $243K
MM Merit Med Sys Inc 0.6% Added 0.7% 2,899 $241K
Molson Coors Beverage Co 0.6% New 5,304 $240K

Showing top 60 of 189 positions.

Timeline of changes

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

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Shopify Inc Exited −23,000 −$2.65M —
Western Digital Corp Trimmed −6,399 −$768K 1.1%
Cal Maine Foods Inc Exited −7,125 −$710K —
Coinbase Global Inc Exited −1,822 −$639K —
Ionis Pharmaceuticals Inc Exited −14,424 −$570K —
FE Flutter Entmt PLC Exited −1,946 −$556K —
ST Seagate Technology Hldngs Pl Exited −3,830 −$553K —
Intel Corp Trimmed −15,902 −$534K 1.1%
Conocophillips Exited −5,904 −$530K —
Palantir Technologies Inc Exited −3,836 −$523K —

Showing the 10 largest of 433 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 05, 2025

Company Action Shares changed Value of change % of portfolio
Shopify Inc New +23,000 +$2.65M 3.1%
RM Robinhood Mkts Inc Exited −39,600 −$1.65M —
Cal Maine Foods Inc New +7,125 +$710K 0.8%
Intel Corp New +29,738 +$666K 0.8%
Western Digital Corp New +10,072 +$645K 0.8%
Coinbase Global Inc New +1,822 +$639K 0.7%
Ionis Pharmaceuticals Inc New +14,424 +$570K 0.7%
FE Flutter Entmt PLC New +1,946 +$556K 0.6%
ST Seagate Technology Hldngs Pl New +3,830 +$553K 0.6%
Conocophillips New +5,904 +$530K 0.6%

Showing the 10 largest of 407 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 07, 2025

Company Action Shares changed Value of change % of portfolio
Shopify Inc Exited −750,000 −$79.7M —
RM Robinhood Mkts Inc New +39,600 +$1.65M 5.4%
Bristol-myers Squibb Co Exited −10,563 −$597K —
Progressive Corp Exited −2,441 −$585K —
Qualcomm Inc Exited −3,645 −$560K —
AM Applied Matls Inc Exited −3,212 −$522K —
Vertex Pharmaceuticals Inc Exited −1,278 −$515K —
Doordash Inc Exited −3,047 −$511K —
AN Amphenol Corp New Exited −7,297 −$507K —
Ambarella Inc Exited −6,952 −$506K —

Showing the 10 largest of 448 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Igm Biosciences Inc Exited −66,768 −$1.1M —
Root Inc Trimmed −14,196 −$1.03M 0.2%
Caredx Inc Exited −29,758 −$929K —
Entrada Therapeutics Inc Exited −57,849 −$924K —
Southern Co Exited −9,791 −$883K —
C Composecure Inc Exited −61,654 −$864K —
Vir Biotechnology Inc Exited −102,400 −$767K —
Catalent Inc Exited −11,741 −$711K —
Neumora Therapeutics Inc. Exited −51,561 −$681K —
Palantir Technologies Inc New +8,391 +$635K 0.4%

Showing the 10 largest of 690 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Southern Co New +9,791 +$883K 0.4%
Samsara Inc New +18,274 +$879K 0.4%
Avis Budget Group New +9,789 +$857K 0.4%
JP Jakks Pac Inc New +31,106 +$794K 0.4%
PS Pure Storage Inc Exited −11,048 −$709K —
PD Parsons Corp Del New +6,568 +$681K 0.3%
Hess Corp Exited −4,593 −$678K —
IB International Business Machs Exited −3,805 −$658K —
Walgreens Boots Alliance Inc New +73,228 +$656K 0.3%
Zoetis Inc Exited −3,746 −$649K —

Showing the 10 largest of 696 changes.

Q2 2024

quarter ended June 30, 2024 · filed August 14, 2024

Company Action Shares changed Value of change % of portfolio
EL Eli Lilly & Co Trimmed −2,308 −$2.09M 0.1%
Coinbase Global Inc Exited −7,656 −$2.03M —
M Macys Inc Exited −89,335 −$1.79M —
Samsara Inc Exited −43,250 −$1.63M —
Synchrony Financial Exited −36,202 −$1.56M —
AM Applied Matls Inc Trimmed −6,092 −$1.44M 0.2%
Micron Technology Inc Trimmed −10,213 −$1.34M 0.5%
Netflix Inc Exited −2,095 −$1.27M —
Johnson & Johnson Exited −7,943 −$1.26M —
Regeneron Pharmaceuticals Exited −1,302 −$1.25M —

Showing the 10 largest of 788 changes.

Q1 2024

quarter ended March 31, 2024 · filed May 15, 2024

Company Action Shares changed Value of change % of portfolio
Nvidia Corporation Trimmed −2,369 −$2.14M 0.7%
Merck & Co Inc Exited −14,809 −$1.61M —
M Macys Inc Added +64,554 +$1.29M 0.7%
Micron Technology Inc Added +9,222 +$1.09M 0.8%
Pbf Energy Inc Trimmed −18,571 −$1.07M 0.2%
Advanced Micro Devices Inc Trimmed −5,634 −$1.02M 0.3%
Viking Therapeutics Inc Trimmed −12,033 −$987K 0.1%
Airbnb Inc Exited −6,663 −$907K —
Thermo Fisher Scientific Inc Trimmed −1,557 −$905K 0.5%
Knife River Corp Exited −13,611 −$901K —

Showing the 10 largest of 694 changes.

Q4 2023

quarter ended December 31, 2023 · filed February 14, 2024

Company Action Shares changed Value of change % of portfolio
Merck & Co Inc New +14,809 +$1.61M 0.5%
Coinbase Global Inc Trimmed −6,857 −$1.19M 0.5%
Cytokinetics Inc New +14,188 +$1.18M 0.4%
G Iii Apparel Group Ltd New +34,238 +$1.16M 0.4%
DE Duke Energy Corp New New +10,726 +$1.04M 0.3%
Nextera Energy Inc Trimmed −16,819 −$1.02M 0.2%
FC First Ctzns Bancshares Inc N New +719 +$1.02M 0.3%
Snowflake Inc Added +5,092 +$1.01M 0.6%
Mirati Therapeutics Inc Exited −22,301 −$971K —
DN Draftkings Inc New New +27,061 +$954K 0.3%

Showing the 10 largest of 667 changes.

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