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Super Investors JOHN G ULLMAN & ASSOCIATES INC
JG

JOHN G ULLMAN & ASSOCIATES INC

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

Portfolio value
$824M
Positions
181
Quarter ended
June 30, 2026
Filed
August 11, 2026

Reported portfolio value by quarter (53 quarters reported)

$824M $377M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$479M in Q2 2013 → $824M now. Hover for any quarter.

Holdings

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

Holding % of portfolio Activity Shares Value
Corning Inc 7.2% Trimmed 27% 233,865 $59.7M
TS Taiwan Semiconductor M F Spons 6.2% Trimmed 11% 107,860 $51.5M
Cisco Systems Inc 4.5% Trimmed 1.2% 316,593 $37.2M
EE Emerson Elec Co 4.3% Trimmed 1.0% 248,310 $35.5M
Oge Energy Corp 2.7% Trimmed 5.5% 458,935 $22.3M
Broadcom Inc 2.6% Trimmed 3.5% 56,147 $21.2M
TC Te Connectivity PLC F 2.3% Trimmed 1.2% 94,165 $19M
Amazon.com Inc 1.8% Trimmed 0.0% 63,224 $15.1M
BE Bloom Energy Corp Class A 1.8% Trimmed 61% 49,359 $14.9M
EU Essential Utils Inc 1.8% Trimmed 5.8% 380,232 $14.6M
EM Exxon Mobil Holdings Corp 1.7% New 104,450 $14.3M
Dominion Energy Inc 1.6% Trimmed 0.7% 197,146 $13.5M
Eversource Energy 1.6% Trimmed 5.2% 183,791 $13.3M
Nextera Energy Inc 1.6% Trimmed 1.0% 148,559 $13M
I Ibm Corp 1.5% Trimmed 0.6% 44,270 $12.4M
SF Schlumberger Ltd F 1.5% Trimmed 0.3% 266,070 $12.4M
Merck & Co. Inc. 1.5% Trimmed 0.3% 94,029 $12.1M
Lindsay Corp 1.4% Added 8.3% 95,760 $11.9M
GH Generac Hldgs Inc 1.4% Trimmed 29% 39,595 $11.6M
Microsoft Corp 1.3% Added 0.2% 29,080 $10.8M
Portland General Electric Co 1.3% Trimmed 5.4% 202,882 $10.5M
Intel Corp 1.3% Trimmed 45% 73,999 $10.3M
Astec Industries Inc 1.1% Trimmed 1.3% 150,165 $9.19M
Flowserve Corp 1.1% Trimmed 0.9% 123,725 $9.18M
DW Disney Walt Co 1.1% Added 12% 93,007 $8.95M
EM Eagle Matls Inc 1.0% Added 27% 37,246 $8.38M
CI Caci Intl Inc Class A 1.0% Trimmed 3.0% 17,924 $8.3M
Bristol-myers Squibb 1.0% Trimmed 1.1% 142,903 $8.23M
GC Granite Constr Inc 1.0% Trimmed 11% 51,355 $8.12M
AC Alphabet Inc Class A 1.0% Added 6.8% 22,620 $8.08M
Western Digital Corp 1.0% Trimmed 62% 12,491 $7.98M
JP Jazz Pharmaceuticals P F 1.0% New 32,693 $7.88M
EC Everus Construction Group Ord 1.0% Trimmed 30% 47,304 $7.85M
Eqt Corp 0.9% Trimmed 1.4% 147,291 $7.83M
GR Gorman Rupp Co Class Equity 0.9% Trimmed 25% 85,045 $7.8M
MD M D U Resources Grp 0.9% Trimmed 4.7% 358,848 $7.61M
TC Twilio Cl A Ord 0.8% Trimmed 1.7% 33,766 $6.97M
MO Mercadolibre Ord 0.8% Added 140% 4,000 $6.79M
Itron Inc 0.8% Trimmed 3.6% 77,731 $6.73M
VM Vulcan Matls Co 0.8% Trimmed 1.1% 22,600 $6.67M
SS State Str Corp 0.8% Trimmed 1.5% 38,988 $6.61M
TF Tompkins Finl Corp 0.8% Trimmed 1.3% 67,932 $6.42M
NJ New Jersey Res Corp 0.7% Trimmed 6.2% 109,960 $6.16M
AC Alphabet Inc Class C 0.7% Trimmed 0.3% 16,688 $5.9M
Ciena Corp 0.7% Trimmed 5.4% 11,725 $5.75M
Sysco Corp 0.7% Trimmed 2.6% 67,847 $5.67M
Thermo Fisher Scientific 0.7% Added 1.8% 11,198 $5.61M
Pfizer Inc 0.7% Added 7.1% 229,216 $5.52M
Keurig Dr Pepper Inc 0.6% Trimmed 4.2% 162,534 $5.32M
VS Vanguard S&P 500 ETF 0.6% Added 17% 7,728 $5.31M
VV Vaneck Vietnam ETF 0.6% Trimmed 1.0% 284,744 $5.26M
BF Bce Inc F 0.6% Added 0.7% 243,677 $5.24M
Idacorp Inc 0.6% Trimmed 5.8% 33,929 $5.13M
SC Snowflake Inc Class A 0.6% Trimmed 1.2% 18,441 $4.69M
KR Knife River Ord 0.5% Trimmed 0.8% 53,971 $4.51M
WW Watts Water Technologies Class 0.5% Added 0.9% 11,324 $4.43M
Apple Inc 0.5% Added 1.1% 14,507 $4.2M
Halliburton Co 0.5% Added 50% 122,908 $4.17M
Nexstar Media Group Inc 0.5% Trimmed 1.3% 22,700 $4.05M
EA Equinor Asa F Sponsored ADR 1 0.5% Trimmed 1.4% 128,276 $4.03M

Showing top 60 of 181 positions.

Timeline of changes

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

Q2 2026

quarter ended June 30, 2026 · filed August 11, 2026

Company Action Shares changed Value of change % of portfolio
BE Bloom Energy Corp Class A Trimmed −76,303 −$23.1M 1.8%
Corning Inc Trimmed −85,877 −$21.9M 7.2%
Exxon Mobil Corp Exited −104,772 −$17.8M —
EM Exxon Mobil Holdings Corp New +104,450 +$14.3M 1.7%
Western Digital Corp Trimmed −20,467 −$13.1M 1.0%
AT American Tower Corp New REIT Exited −63,259 −$10.9M —
Intel Corp Trimmed −59,465 −$8.3M 1.3%
JP Jazz Pharmaceuticals P F New +32,693 +$7.88M 1.0%
HI Honeywell Intl Inc Exited −29,360 −$6.64M —
JP Jazz Pharmaceuticals P F Exited −32,833 −$6.21M —

Showing the 10 largest of 156 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 06, 2026

Company Action Shares changed Value of change % of portfolio
Corning Inc Trimmed −63,789 −$8.67M 5.8%
Western Digital Corp Trimmed −31,350 −$8.48M 1.2%
SS Sandisk Corp Sndk Exited −16,655 −$3.95M —
EE Emerson Elec Co Trimmed −26,722 −$3.5M 4.4%
MO Mercadolibre Ord New +1,665 +$2.88M 0.4%
Lumentum Holdings Inc Trimmed −3,827 −$2.69M 0.2%
Amgen Inc Trimmed −6,675 −$2.35M 0.1%
TS Taiwan Semiconductor M F Spons Trimmed −6,289 −$2.13M 5.4%
Adobe Inc Trimmed −8,595 −$2.09M 0.1%
GC Granite Constr Inc Trimmed −17,350 −$2.08M 0.9%

Showing the 10 largest of 154 changes.

Q4 2025

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

Company Action Shares changed Value of change % of portfolio
Lumentum Holdings Inc Trimmed −31,913 −$11.8M 0.3%
BE Bloom Energy Corp Class A Trimmed −92,408 −$8.03M 1.5%
Broadcom Inc Trimmed −19,476 −$6.74M 2.9%
I Ibm Corp Trimmed −19,325 −$5.72M 1.9%
Keurig Dr Pepper Inc New +158,600 +$4.44M 0.6%
Lindsay Corp Added +24,325 +$2.87M 1.3%
SS Sandisk Corp Sndk Trimmed −11,533 −$2.74M 0.5%
BF Bce Inc F Added +108,184 +$2.58M 0.7%
TS Taiwan Semiconductor M F Spons Trimmed −8,268 −$2.51M 5.1%
EU Essential Utils Inc Trimmed −59,475 −$2.28M 2.1%

Showing the 10 largest of 136 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 05, 2025

Company Action Shares changed Value of change % of portfolio
Novartis Ag Trimmed −134,427 −$17.2M 0.1%
Corning Inc Trimmed −151,070 −$12.4M 4.5%
Nextera Energy Inc Added +129,706 +$9.79M 1.6%
EU Essential Utils Inc Added +198,923 +$7.94M 2.5%
BE Bloom Energy Corp Class A Trimmed −57,517 −$4.86M 2.6%
Dominion Energy Inc Added +77,306 +$4.73M 1.5%
I Ibm Corp Trimmed −14,715 −$4.15M 2.6%
HH Herc Hldgs Inc Exited −30,080 −$3.96M —
GA Ge Aerospace Trimmed −12,277 −$3.69M 0.1%
Eversource Energy Added +50,223 +$3.57M 1.6%

Showing the 10 largest of 140 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 29, 2025

Company Action Shares changed Value of change % of portfolio
LS Logility Supply Chain Exited −410,145 −$5.85M —
Albemarle Corp Exited −67,733 −$4.88M —
BD Becton Dickinson & Co Trimmed −25,233 −$4.35M 0.1%
Pfizer Inc Trimmed −110,464 −$2.68M 0.5%
RP Regeneron Pharms Inc Trimmed −5,025 −$2.64M 0.1%
IW Invsc Wilderhill Clean Energy Exited −116,869 −$1.84M —
Avantor Inc Trimmed −126,449 −$1.7M —
Azenta Inc Trimmed −53,907 −$1.66M 0.2%
WW Watts Water Technologies Class Trimmed −6,650 −$1.64M 0.4%
GH Generac Hldgs Inc Added +9,900 +$1.42M 1.2%

Showing the 10 largest of 134 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 06, 2025

Company Action Shares changed Value of change % of portfolio
I Ibm Corp Trimmed −32,258 −$8.02M 3.2%
SM Summit Materials Cl A Ord Exited −103,251 −$5.22M —
AC Alphabet Inc Class A Added +19,325 +$2.99M 0.5%
EM Eagle Matls Inc New +12,800 +$2.84M 0.4%
Corning Inc Trimmed −54,975 −$2.52M 4.0%
Portland General Electric Co Added +52,901 +$2.36M 1.2%
TD Teradata Corp Del Trimmed −102,700 −$2.31M 0.1%
CI Caci Intl Inc Class A Added +5,866 +$2.15M 1.1%
RP Regeneron Pharms Inc Added +3,115 +$1.98M 0.6%
BF Bce Inc F Trimmed −75,874 −$1.74M 0.4%

Showing the 10 largest of 150 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 05, 2025

Company Action Shares changed Value of change % of portfolio
EC Everus Construction Group Ord New +97,776 +$6.43M 0.9%
BD Becton Dickinson & Co Added +25,129 +$5.7M 0.9%
ER Equinix Inc REIT Exited −6,020 −$5.34M —
Intel Corp Trimmed −232,738 −$4.67M 0.6%
Dominion Energy Inc Added +75,913 +$4.09M 0.7%
Eqt Corp New +83,000 +$3.83M 0.6%
Broadcom Inc Trimmed −15,943 −$3.7M 3.1%
Eversource Energy Added +54,650 +$3.14M 0.9%
Dentsply Sirona Inc Trimmed −163,206 −$3.1M 0.1%
BF Bce Inc F Added +130,599 +$3.03M 0.6%

Showing the 10 largest of 160 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 08, 2024

Company Action Shares changed Value of change % of portfolio
Broadcom Inc New +105,940 +$18.3M 2.6%
BA Broadcom Ltd Avgo Exited −10,914 −$17.5M —
TC Te Connectivity Ltd F Exited −109,737 −$16.5M —
TC Te Connectivity PLC F New +108,637 +$16.4M 2.4%
Exxon Mobil Corp New +111,381 +$13.1M 1.9%
Exxon Mobil Corp Exited −111,986 −$12.9M —
Merck & Co Inc Exited −97,471 −$12.1M —
AT American Tower Corp New REIT New +49,871 +$11.6M 1.7%
Merck & Co. Inc. New +97,472 +$11.1M 1.6%
American Tower Corp Exited −52,081 −$10.1M —

Showing the 10 largest of 195 changes.

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