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Super Investors WOODSTOCK CORP
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WOODSTOCK CORP

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

Portfolio value
$1.24B
Positions
160
Quarter ended
September 30, 2026
Filed
October 13, 2026

Reported portfolio value by quarter (54 quarters reported)

$1.24B $439M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$489M in Q2 2013 → $1.24B 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 Corp 8.5% Trimmed 7.3% 466,031 $106M
Microsoft Corp 6.6% Added 0.2% 159,963 $82M
Apple Inc 4.4% Trimmed 0.5% 165,126 $55M
AC Alphabet Inc Class C 3.9% Trimmed 0.8% 143,603 $48.9M
O'reilly Automotive Inc 3.8% Trimmed 0.4% 552,222 $47.2M
Fortinet Inc 3.2% Trimmed 3.8% 223,138 $39.9M
AC Alphabet Inc Class A 2.9% Trimmed 0.2% 105,463 $36.3M
Intuitive Surgical Inc 2.8% Added 4.3% 84,643 $34.4M
RC Rtx Corporation Com 2.1% Trimmed 0.3% 143,084 $26.6M
Abbvie Inc 1.9% Trimmed 0.2% 92,543 $24.2M
Jpmorgan Chase & Co 1.9% Added 1.3% 69,766 $23.1M
Costco Wholesale Corp 1.7% Added 8.6% 23,711 $21.6M
Johnson & Johnson 1.7% Trimmed 0.8% 79,063 $20.9M
Exxonmobil Holdings Corp 1.5% New 115,459 $18.8M
Cisco Systems Inc 1.5% Trimmed 0.8% 171,679 $18.5M
Merck & Co Inc 1.5% Added 1.0% 124,940 $18.2M
Home Depot Inc 1.4% Added 0.6% 61,331 $17.4M
IR Ishares Russell Mid-cap ETF 1.3% Trimmed 1.2% 154,330 $16.5M
State Street Corp 1.3% Trimmed 1.2% 92,646 $16.2M
LE Lilly Eli & Co 1.3% Added 15% 13,763 $15.9M
Applied Materials Inc 1.3% Trimmed 1.3% 31,011 $15.9M
Regeneron Pharmaceuticals 1.3% Added 0.8% 20,684 $15.7M
Emerson Electric Co 1.2% Added 1.2% 97,642 $15.1M
Automatic Data Processing Inc 1.2% Added 1.2% 56,739 $14.6M
Oracle Corp 1.2% Trimmed 0.9% 106,302 $14.6M
Apa Corporation 1.2% Added 0.2% 349,625 $14.5M
WS Wal-mart Stores Inc 1.2% Added 0.1% 139,432 $14.5M
Abbott Laboratories 1.1% Trimmed 0.2% 144,024 $14.2M
VC Visa Inc Cl A 1.1% Added 0.5% 39,364 $14.1M
SP Shell PLC Spon Ads 1.1% Trimmed 0.3% 146,310 $13.9M
Zscaler Inc 1.1% Trimmed 1.5% 67,629 $13.5M
Ecolab Inc 1.0% Trimmed 0.0% 47,522 $13M
Amazon.com Inc 1.0% Added 0.1% 50,879 $12.7M
Idexx Laboratories Inc 1.0% Trimmed 0.5% 23,482 $12.3M
Illinois Tool Works Inc 1.0% Added 0.3% 47,603 $12.2M
BH Berkshire Hathaway Inc Cl B 0.9% Added 0.5% 22,103 $11M
Pepsico Inc 0.9% Added 0.8% 86,107 $10.9M
Chevron Corp 0.9% Trimmed 0.4% 52,173 $10.7M
Medtronic PLC 0.8% Added 0.0% 121,281 $10.5M
Procter & Gamble Co 0.8% Trimmed 0.5% 71,868 $10.4M
Nextera Energy Inc 0.8% Trimmed 0.1% 136,936 $10.4M
Analog Devices Inc 0.8% Trimmed 0.6% 24,828 $9.85M
Fedex Corp 0.8% Trimmed 0.1% 33,966 $9.68M
Netflix Inc 0.8% Added 45% 137,867 $9.59M
Thermo Fisher Scientific Inc 0.8% Trimmed 1.6% 14,195 $9.58M
AP Air Prods & Chems Inc 0.8% Added 0.2% 33,982 $9.45M
Chubb Limited 0.7% Added 3.0% 27,340 $8.89M
BA Bank America Corp 0.7% Trimmed 1.4% 155,632 $8.47M
DW Disney Walt Co 0.7% Added 1.6% 77,323 $8.11M
3m Co 0.6% Added 1.3% 45,286 $7.43M
Qualcomm Inc 0.6% Trimmed 1.2% 39,883 $7.34M
Iron Mountain Inc 0.6% Trimmed 0.1% 65,058 $7.22M
VF Vanguard Ftse Emerging Mkt ETF 0.6% Trimmed 0.1% 119,217 $7.07M
SS State Street SPDR S&P 500 ETF 0.5% Trimmed 3.9% 8,707 $6.64M
Sysco Corp 0.5% Added 0.8% 84,300 $6.57M
Hershey Co 0.5% Added 45% 41,317 $6.51M
Fiserv Inc 0.5% Added 20% 131,739 $5.95M
Dexcom Inc 0.5% Added 0.6% 66,764 $5.76M
Roper Technologies Inc 0.5% Added 17% 16,365 $5.72M
Ligand Pharmaceuticals Inc 0.5% Trimmed 0.5% 18,245 $5.7M

Showing top 60 of 160 positions.

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 13, 2026

Company Action Shares changed Value of change % of portfolio
Exxonmobil Holdings Corp New +115,459 +$18.8M 1.5%
Exxon Mobil Corp Exited −115,941 −$15.9M —
Nvidia Corp Trimmed −36,692 −$8.38M 8.5%
Netflix Inc Added +42,975 +$2.99M 0.8%
LE Lilly Eli & Co Added +1,846 +$2.14M 1.3%
Hershey Co Added +12,891 +$2.03M 0.5%
Costco Wholesale Corp Added +1,874 +$1.71M 1.7%
Fortinet Inc Trimmed −8,766 −$1.57M 3.2%
Intuitive Surgical Inc Added +3,503 +$1.42M 2.8%
Electronic Arts Inc Exited −5,106 −$1.05M —

Showing the 10 largest of 127 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 13, 2026

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −43,760 −$8.76M 8.4%
Netflix Inc Added +72,622 +$5.19M 0.6%
AC Alphabet Inc Class C Trimmed −13,586 −$4.8M 4.2%
Chart Industries Inc Exited −11,672 −$2.41M —
AC Alphabet Inc Class A Trimmed −6,625 −$2.37M 3.1%
FF Fedex Fght Holding Co Inc Comm New +14,152 +$2.14M 0.2%
IC Ishares Core High Dv ETF Added +64,720 +$1.77M 0.2%
Zscaler Inc Added +7,762 +$1.1M 0.8%
Fiserv Inc Added +19,122 +$938K 0.4%
Ge Vernova Inc Trimmed −765 −$899K 0.2%

Showing the 10 largest of 125 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 08, 2026

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −32,917 −$5.74M 8.5%
Amazon.com Inc Added +12,063 +$2.51M 0.9%
Netflix Inc New +22,270 +$2.14M 0.2%
Fortinet Inc Trimmed −18,873 −$1.54M 1.7%
Zscaler Inc Added +10,249 +$1.44M 0.8%
GE General Electric Co New Trimmed −4,391 −$1.25M 0.2%
Hershey Co Added +5,282 +$1.1M 0.4%
Apa Corporation Added +25,117 +$1.07M 1.3%
Chevron Corp Added +4,599 +$952K 1.0%
Regeneron Pharmaceuticals Added +1,209 +$934K 1.4%

Showing the 10 largest of 124 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 14, 2026

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −11,964 −$2.23M 9.3%
Regeneron Pharmaceuticals Added +2,036 +$1.57M 1.2%
UP United Parcel Service Inc Cl B Trimmed −7,211 −$715K 0.3%
Omniab Inc Trimmed −316,513 −$586K —
Ultragenyx Pharmaceutical Inc Exited −18,114 −$545K —
Sherwin Williams Co Added +1,454 +$471K 0.2%
PT Poet Technologies Inc New New +67,900 +$430K —
Fortinet Inc Trimmed −4,729 −$376K 1.7%
Hershey Co Trimmed −2,045 −$372K 0.3%
SS Select Sector SPDR Tr Technolo Added +2,500 +$360K 0.1%

Showing the 10 largest of 107 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 07, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −51,817 −$9.67M 9.6%
Regeneron Pharmaceuticals Added +8,589 +$4.83M 0.8%
Oracle Corp Trimmed −10,317 −$2.9M 2.7%
O'reilly Automotive Inc Trimmed −26,453 −$2.85M 5.2%
Nv5 Global Inc Exited −117,100 −$2.7M —
Ligand Pharmaceuticals Inc Trimmed −9,472 −$1.68M 0.3%
A Acuren Corp New +124,869 +$1.66M 0.1%
LE Lilly Eli & Co Added +1,825 +$1.39M 0.8%
Cvs Health Corp Trimmed −10,483 −$790K 0.2%
Fortinet Inc Trimmed −9,373 −$788K 1.9%

Showing the 10 largest of 113 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 09, 2025

Company Action Shares changed Value of change % of portfolio
O'reilly Automotive Inc Added +545,839 +$49.2M 4.8%
Nvidia Corp Trimmed −40,951 −$6.47M 9.3%
Chart Industries Inc New +12,497 +$2.06M 0.2%
Fortinet Inc Trimmed −17,136 −$1.81M 2.6%
Apa Corporation Added +58,017 +$1.06M 0.5%
LE Lilly Eli & Co Added +1,351 +$1.05M 0.7%
Hershey Co Added +4,990 +$828K 0.3%
Microsoft Corp Trimmed −1,566 −$779K 7.3%
IS Ishares S&P Small Cap 600 ETF Trimmed −6,137 −$671K 0.1%
VF Vanguard Ftse Emerging Mkt ETF Trimmed −13,335 −$660K 0.5%

Showing the 10 largest of 131 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 09, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −22,222 −$2.41M 7.3%
Zscaler Inc Added +11,817 +$2.34M 0.9%
Southern Co Added +21,901 +$2.01M 0.6%
Regeneron Pharmaceuticals Added +2,460 +$1.56M 0.4%
O'reilly Automotive Inc Trimmed −912 −$1.31M 5.6%
Fedex Corp Added +4,499 +$1.1M 0.7%
Intuitive Surgical Inc Trimmed −2,183 −$1.08M 4.2%
Hershey Co Added +6,176 +$1.06M 0.2%
Iron Mountain Inc Trimmed −11,218 −$965K 0.5%
Flowserve Corp Trimmed −15,500 −$757K 0.3%

Showing the 10 largest of 121 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 15, 2025

Company Action Shares changed Value of change % of portfolio
Tractor Supply Co Added +125,710 +$6.67M 0.8%
EE Expand Energy Corporation Com New +50,721 +$5.05M 0.5%
Southwestern Energy Co Exited −586,035 −$4.17M —
Nv5 Global Inc Added +87,208 +$1.64M 0.2%
Apa Corporation Trimmed −65,910 −$1.52M 0.5%
Zscaler Inc Added +5,976 +$1.08M 0.6%
Nvidia Corp Trimmed −6,789 −$912K 9.1%
Fortinet Inc Trimmed −6,406 −$605K 2.6%
Johnson & Johnson Trimmed −3,652 −$528K 1.2%
Intellia Therapeutics Inc Exited −25,550 −$525K —

Showing the 10 largest of 125 changes.

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