John G Ullman & Associates Inc.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 5, 2025), John G Ullman & Associates Inc. reported 172 stock positions worth $679.6 million. Its top holding was Emerson Electric (EMR) at 5.2% of the portfolio, followed by Corning (GLW, 4.3%) and Taiwan Semiconductor-SP ADR (TSM, 4.0%). Compared with Q3 2024, it opened 5 new positions, sold out of 13, added to 29 and reduced 112. The biggest buy was Becton Dickinson and (BDX, shares +2242%) and the biggest sale Intel (INTC, shares −54%).

Most Recent 13F
Q2 2026
Location
CORNING, NY
CIK
0000919530
Portfolio Value
$679.6M (Q4 2024)
SEC Filing
0000919530-25-000001 ↗ filed Feb 5, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $651.8M Q1 2024 Q2 2024: $655.5M Q2 2024 Q3 2024: $695.5M Q3 2024 Q4 2024: $679.6M $679.6M Q4 2024 Q1 2025: $648.4M Q1 2025 Q2 2025: $673.8M Q2 2025 Q3 2025: $742.7M Q3 2025 Q4 2025: $750.0M Q4 2025 Q1 2026: $754.3M Q1 2026 Q2 2026: $824.4M Q2 2026

Holdings 172 stocks · $679.6M
EMR Emerson Electric Co. 5.23% 286,718 $35.5M Reduce -3.7%
GLW Corning Inc. 4.34% 620,907 $29.5M Reduce -7.3%
TSM Taiwan Semiconductor-SP ADR 4.05% 139,287 $27.5M Reduce -3.6%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 3.74% 115,543 $25.4M Reduce -4.1%
OGE Oge Energy Corp. 3.19% 524,950 $21.7M Reduce -2.9%
AVGO Broadcom Inc. 3.07% 89,997 $20.9M Reduce -15.1%
CSCO Cisco Systems Inc. 2.95% 338,292 $20.0M Reduce -2.4%
AMZN Amazon.com Inc. 2.25% 69,583 $15.3M Reduce -2.9%
TEL Te Connectivity PLC 2.21% 105,235 $15.0M Reduce -3.1%
NVS Novartis AG-Sponsored ADR 2.00% 139,390 $13.6M Reduce -1.5%
MSFT Microsoft Corp. 1.98% 31,981 $13.5M Reduce -4.8%
XOM Exxon Mobil Corp. 1.71% 107,867 $11.6M Reduce -3.1%
SLB SLB Ltd. filed as SCHLUMBERGER LTD 1.69% 299,704 $11.5M Reduce -8.8%
WTRG Essential Utilities Inc. 1.51% 282,050 $10.2M Add +33.0%
DIS The Walt Disney Co. filed as DISNEY WALT CO 1.43% 87,041 $9.7M Reduce -5.5%
MRK Merck & Co. Inc. 1.41% 96,423 $9.6M Reduce -1.1%
BMY Bristol-Myers Squibb Co. 1.30% 155,718 $8.8M Reduce -1.7%
AMT American Tower Corp. 1.25% 46,280 $8.5M Reduce -7.2%
FLS Flowserve Corp. 1.24% 146,550 $8.4M Reduce -2.7%
FISV Fiserv Inc. 1.17% 38,560 $7.9M Reduce -3.2%
GNRC Generac Holdings Inc. 1.13% 49,425 $7.7M Reduce -1.7%
PFE Pfizer Inc. 1.09% 279,093 $7.4M Reduce -17.3%
MDU Mdu Resources Group Inc. 1.05% 397,794 $7.2M Reduce -1.2%
LNN Lindsay Corp. 1.03% 59,375 $7.0M Add +0.8%
GVA Granite Construction Inc. 1.03% 79,730 $7.0M Reduce -24.8%
HON Honeywell International Inc. 1.02% 30,704 $6.9M Reduce -4.1%
VMC Vulcan Materials Co. 0.98% 25,854 $6.7M Add +0.8%
ITRI Itron Inc. 0.95% 59,356 $6.4M Reduce -2.9%
ECG Everus Construction Group 0.95% 97,776 $6.4M Reduce -2.9%
BE Bloom Energy Corp. Class A 0.94% 287,200 $6.4M Add +7.2%
HRI Herc Holdings Inc. filed as HERC HLDGS INC 0.89% 31,946 $6.0M Reduce -5.7%
TMP Tompkins Financial Corp. 0.88% 88,065 $6.0M Reduce -27.1%
ALB Albemarle Corp. 0.88% 69,329 $6.0M Add +30.5%
KNF Knife River Corp. 0.88% 58,652 $6.0M Reduce -3.2%
BDX Becton Dickinson and Co. 0.88% 26,250 $6.0M Add +2241.7%
ES Eversource Energy 0.87% 103,450 $5.9M Add +112.0%
CACI Caci International Inc. Class A 0.86% 14,449 $5.8M Reduce -7.7%
NJR New Jersey Resources Corp. 0.86% 124,626 $5.8M Reduce -2.7%
AZTA Azenta Inc. 0.82% 111,825 $5.6M Add +40.1%
WDC Western Digital Corp. 0.82% 93,475 $5.6M Reduce -1.8%
POR Portland General Electric Co. 0.82% 127,610 $5.6M Reduce -3.0%
ASTE Astec Industries Inc. 0.80% 162,692 $5.5M Add +21.1%
LOW Lowe's Cos Inc. 0.77% 21,325 $5.3M Reduce -3.1%
SUM Summit Materials Inc. Class A 0.77% 103,251 $5.2M Reduce -5.2%
SYY Sysco Corp. 0.74% 65,816 $5.0M Reduce -6.8%
LITE Lumentum Holdings Inc. 0.73% 59,170 $5.0M Reduce -32.5%
JAZZ Jazz Pharmaceuticals PLC 0.72% 39,750 $4.9M Reduce -11.8%
D Dominion Energy Inc. 0.72% 90,491 $4.9M Add +520.7%
LGTY Logility Supply Chain Soluti 0.70% 429,820 $4.8M Reduce -5.0%
TMO Thermo Fisher Scientific Inc. 0.69% 9,056 $4.7M Reduce -32.4%
COHR Coherent Corp. 0.69% 49,624 $4.7M Reduce -38.7%
CRM Salesforce Inc. 0.67% 13,525 $4.5M Reduce -2.0%
VOO Vanguard S&P 500 ETF 0.66% 8,269 $4.5M Reduce -2.8%
NXST Nexstar Media Group Inc. 0.65% 28,018 $4.4M Reduce -1.1%
IDA Idacorp Inc. 0.64% 39,993 $4.4M Reduce -0.9%
AAPL Apple Inc. 0.63% 17,192 $4.3M Reduce -1.5%
GEHC GE Healthcare Technology 0.63% 55,043 $4.3M Reduce -0.8%
STT State Street Corp. 0.63% 43,803 $4.3M Reduce -1.2%
GRC Gorman-Rupp Co. 0.63% 113,131 $4.3M Reduce -2.0%
TDC Teradata Corp. 0.63% 137,200 $4.3M Reduce -5.3%
BCE Bce Inc. 0.63% 183,622 $4.3M Add +246.3%
VNM Vaneck Vietnam ETF 0.62% 368,024 $4.2M Reduce -23.4%
INTC Intel Corp. 0.58% 197,032 $4.0M Reduce -54.1%
PYPL PayPal Holdings Inc. 0.56% 44,980 $3.8M Reduce -2.6%
EQT Eqt Corp. 0.56% 83,000 $3.8M New
WTS Watts Water Technologies-A 0.56% 18,725 $3.8M Reduce -5.8%
ORCL Oracle Corp. 0.51% 20,755 $3.5M Reduce -0.5%
ABT Abbott Laboratories 0.50% 30,027 $3.4M Reduce -1.9%
PEG Public Service Enterprise GP 0.49% 39,383 $3.3M Reduce -3.3%
EA Electronic Arts Inc. 0.48% 22,400 $3.3M Reduce -2.6%
BKH Black Hills Corp. 0.48% 55,591 $3.3M Reduce -5.0%
SNOW Snowflake Inc. 0.47% 20,675 $3.2M Reduce -38.0%
AVTR Avantor Inc. 0.44% 142,500 $3.0M Add +97.9%
GSK GSK PLC-Spon ADR 0.42% 85,030 $2.9M Add +1.1%
ZBH Zimmer Biomet Holdings Inc. 0.41% 26,300 $2.8M Reduce -11.8%
UTHR United Therapeutics Corp. 0.38% 7,355 $2.6M Reduce -1.1%
PBW Invesco Wilderhill Clean Ene 0.37% 125,800 $2.5M Add +7.0%
AMGN Amgen Inc. 0.36% 9,370 $2.4M Add +0.2%
A Agilent Technologies Inc. 0.36% 18,132 $2.4M Reduce -1.6%
REGN Regeneron Pharmaceuticals 0.35% 3,315 $2.4M New
GE General Electric filed as GE AEROSPACE 0.34% 13,817 $2.3M Reduce -1.6%
VNT Vontier Corp. 0.34% 62,671 $2.3M Reduce -2.3%
LLY Eli Lilly & Co. 0.33% 2,934 $2.3M Add +0.9%
CCK Crown Holdings Inc. 0.33% 27,339 $2.3M Reduce -1.4%
ILMN Illumina Inc. 0.33% 16,800 $2.2M Reduce -2.0%
EHC Encompass Health Corp. 0.33% 24,050 $2.2M New
SO The Southern Co. 0.32% 26,194 $2.2M Add +0.4%
SOLV Solventum Corp. 0.29% 29,450 $1.9M Reduce -1.5%
ARCB Arcbest Corp. 0.28% 20,675 $1.9M Reduce -1.4%
NEE Nextera Energy Inc. 0.28% 26,647 $1.9M No change
WBS Webster Financial Corp. 0.23% 28,700 $1.6M Reduce -4.7%
SKBSY Skanska AB-SPN ADR 0.23% 74,900 $1.6M Reduce -0.4%
BCV Bancroft Fund Ltd. 0.23% 86,982 $1.5M Reduce -6.1%
WSBF Waterstone Financial Inc. 0.21% 108,342 $1.5M Add +19.3%
CIEN Ciena Corp. 0.21% 17,100 $1.5M No change
ACVA Acv Auctions Inc. Class A 0.21% 66,284 $1.4M No change
BAX Baxter International Inc. 0.19% 44,854 $1.3M Add +12.2%
GEV GE Vernova Inc. 0.18% 3,746 $1.2M Reduce -4.7%
OTTR Otter Tail Corp. 0.17% 16,050 $1.2M Add +401.6%
VWO Vanguard Ftse Emerging Marke 0.17% 25,800 $1.1M Reduce -4.2%

Show all 172 holdings

Portfolio Sells Q3 2024 → Q4 2024
INTC Intel Corp. Reduce -54.1% 0.58% −0.87
EQIX Equinix Inc. Sold out 0.00% −0.77
XRAY Dentsply Sirona Inc. Reduce -84.6% 0.08% −0.67
MDU Mdu Resources Group Inc. Reduce -1.2% 1.05% −0.53
TMO Thermo Fisher Scientific Inc. Reduce -32.4% 0.69% −0.50
AMT American Tower Corp. Reduce -7.2% 1.25% −0.42
MRNA Moderna Inc. Reduce -79.3% 0.06% −0.41
NVS Novartis AG-Sponsored ADR Reduce -1.5% 2.00% −0.34
COHR Coherent Corp. Reduce -38.7% 0.69% −0.34
PFE Pfizer Inc. Reduce -17.3% 1.09% −0.31
SLB SLB Ltd. Reduce -8.8% 1.69% −0.29
CACI Caci International Inc. Class A Reduce -7.7% 0.86% −0.28
VNM Vaneck Vietnam ETF Reduce -23.4% 0.62% −0.26
HAL Halliburton Co. Reduce -57.4% 0.14% −0.20
KMI Kinder Morgan Inc. Sold out 0.00% −0.19
MRK Merck & Co. Inc. Reduce -1.1% 1.41% −0.18
GVA Granite Construction Inc. Reduce -24.8% 1.03% −0.18
AQN Algonquin Power & Utilities Reduce -90.3% 0.02% −0.17
XOM Exxon Mobil Corp. Reduce -3.1% 1.71% −0.17
TEL Te Connectivity PLC Reduce -3.1% 2.21% −0.14
EQNR Equinor ASA-Spon ADR Reduce -77.0% 0.04% −0.13
TMP Tompkins Financial Corp. Reduce -27.1% 0.88% −0.12
GEHC GE Healthcare Technology Reduce -0.8% 0.63% −0.12
WDC Western Digital Corp. Reduce -1.8% 0.82% −0.11
DAN Dana Inc. Sold out 0.00% −0.10
MSFT Microsoft Corp. Reduce -4.8% 1.98% −0.09
IBM Intl Business Machines Corp. Reduce -4.1% 3.74% −0.09
POR Portland General Electric Co. Reduce -3.0% 0.82% −0.09
CFFI C & F Financial Corp. Sold out 0.00% −0.08
LOW Lowe's Cos Inc. Reduce -3.1% 0.77% −0.08
SNOW Snowflake Inc. Reduce -38.0% 0.47% −0.08
MTB M & T Bank Corp. Sold out 0.00% −0.08
LITE Lumentum Holdings Inc. Reduce -32.5% 0.73% −0.07
APTV Aptiv PLC Reduce -24.9% 0.11% −0.06
GT Goodyear Tire & Rubber Co. Reduce -74.7% 0.02% −0.06
INTU Intuit Inc. Sold out 0.00% −0.06
ZBH Zimmer Biomet Holdings Inc. Reduce -11.8% 0.41% −0.05
SYY Sysco Corp. Reduce -6.8% 0.74% −0.05
CCK Crown Holdings Inc. Reduce -1.4% 0.33% −0.05
SWKS Skyworks Solutions Inc. Reduce -35.5% 0.06% −0.04
ARCB Arcbest Corp. Reduce -1.4% 0.28% −0.04
GE General Electric Reduce -1.6% 0.34% −0.04
DINO HF Sinclair Corp. Sold out 0.00% −0.04
HD Home Depot Inc. Sold out 0.00% −0.04
DHR Danaher Corp. Sold out 0.00% −0.04
BKH Black Hills Corp. Reduce -5.0% 0.48% −0.04
A Agilent Technologies Inc. Reduce -1.6% 0.36% −0.04
PEG Public Service Enterprise GP Reduce -3.3% 0.49% −0.03
WTS Watts Water Technologies-A Reduce -5.8% 0.56% −0.03
IBB iShares Biotechnology ETF Sold out 0.00% −0.03

Portfolio Buys Q3 2024 → Q4 2024
BDX Becton Dickinson and Co. Add +2241.7% 0.88% +0.84
D Dominion Energy Inc. Add +520.7% 0.72% +0.60
EQT Eqt Corp. New 0.56% +0.56
BE Bloom Energy Corp. Class A Add +7.2% 0.94% +0.53
ES Eversource Energy Add +112.0% 0.87% +0.40
BCE Bce Inc. Add +246.3% 0.63% +0.36
REGN Regeneron Pharmaceuticals New 0.35% +0.35
WTRG Essential Utilities Inc. Add +33.0% 1.51% +0.33
EHC Encompass Health Corp. New 0.33% +0.33
AZTA Azenta Inc. Add +40.1% 0.82% +0.27
ASTE Astec Industries Inc. Add +21.1% 0.80% +0.19
AVTR Avantor Inc. Add +97.9% 0.44% +0.17
ALB Albemarle Corp. Add +30.5% 0.88% +0.15
OTTR Otter Tail Corp. Add +401.6% 0.17% +0.14
VMC Vulcan Materials Co. Add +0.8% 0.98% +0.06
QQQ Invesco QQQ Trust Series 1 New 0.04% +0.04
PBW Invesco Wilderhill Clean Ene Add +7.0% 0.37% +0.03
BSX Boston Scientific Corp. New 0.03% +0.03
WSBF Waterstone Financial Inc. Add +19.3% 0.21% +0.02
ASRV Ameriserv Financial Inc. Add +8.9% 0.10% +0.01
GILD Gilead Sciences Inc. Add +5.2% 0.07% +0.01
VGT Vanguard Info Tech ETF Add +19.0% 0.04% +0.01
GOOGL Alphabet Inc. Class A Add +1.6% 0.05% +0.01
GOOG Alphabet Inc. Class C Add +0.5% 0.05% +0.01
JCI Johnson Controls Internation Add +0.8% 0.09% +0.00
ETN Eaton Corp. PLC Add +0.2% 0.04% +0.00
ADM Archer-Daniels-Midland Co. Add +15.6% 0.04% 0.00
DUK Duke Energy Corp. Add +1.0% 0.11% −0.00
SO The Southern Co. Add +0.4% 0.32% −0.02
LNN Lindsay Corp. Add +0.8% 1.03% −0.02
BAX Baxter International Inc. Add +12.2% 0.19% −0.03
LLY Eli Lilly & Co. Add +0.9% 0.33% −0.04
GSK GSK PLC-Spon ADR Add +1.1% 0.42% −0.07
AMGN Amgen Inc. Add +0.2% 0.36% −0.07

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 181$824.4MGLW, TSM, CSCO, EMR, OGE
Q1 2026 174$754.3MGLW, TSM, EMR, CSCO, OGE
Q4 2025 179$750.0MTSM, EMR, GLW, CSCO, TEL
Q3 2025 173$742.7MTSM, EMR, GLW, AVGO, OGE
Q2 2025 174$673.8MEMR, TSM, GLW, IBM, AVGO
Q1 2025 170$648.4MEMR, GLW, OGE, TSM, CSCO
Q4 2024 172$679.6MEMR, GLW, TSM, IBM, OGE
Q3 2024 179$695.5MEMR, GLW, IBM, TSM, OGE
Q2 2024 179$655.5MEMR, GLW, TSM, IBM, OGE
Q1 2024 174$651.8MEMR, GLW, IBM, TSM, OGE