John G Ullman & Associates Inc.

Name: JOHN G ULLMAN & ASSOCIATES INC 13F holdings, Q1 2026
Creator: JOHN G ULLMAN & ASSOCIATES INC
Published: 2026-05-06

Q2 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 6, 2026), John G Ullman & Associates Inc. reported 174 stock positions worth $754.3 million. Its top holding was Corning (GLW) at 5.8% of the portfolio, followed by Taiwan Semiconductor-SP ADR (TSM, 5.4%) and Emerson Electric (EMR, 4.4%). Compared with Q4 2025, it opened 10 new positions, sold out of 15, added to 27 and reduced 102. The biggest buy was a new position in MercadoLibre (MELI) and the biggest sale Microsoft (MSFT, shares −7%).

Most Recent 13F: Q2 2026
Location: CORNING, NY
CIK: 0000919530
Portfolio Value: $754.3M (Q1 2026)
SEC Filing: 0000919530-26-000002 ↗ filed May 6, 2026

Holdings Value

Holdings 174 stocks · $754.3M


GLW Corning Inc.	5.76%	319,742	$43.5M	Reduce -16.6%
TSM Taiwan Semiconductor-SP ADR	5.41%	120,778	$40.8M	Reduce -5.0%
EMR Emerson Electric Co.	4.36%	250,719	$32.8M	Reduce -9.6%
CSCO Cisco Systems Inc.	3.30%	320,574	$24.9M	Reduce -2.8%
OGE Oge Energy Corp.	3.09%	485,435	$23.3M	Reduce -2.7%
TEL Te Connectivity PLC	2.64%	95,325	$19.9M	Reduce -3.5%
AVGO Broadcom Inc.	2.39%	58,205	$18.0M	Reduce -6.8%
XOM Exxon Mobil Corp.	2.36%	104,772	$17.8M	Reduce -0.4%
BE Bloom Energy Corp. Class A	2.26%	125,662	$17.0M	Reduce -5.4%
WTRG Essential Utilities Inc.	2.15%	403,549	$16.3M	Reduce -0.5%
NEE Nextera Energy Inc.	1.85%	150,053	$13.9M	Reduce -2.9%
SLB SLB Ltd. filed as SLB LIMITED	1.82%	266,895	$13.7M	Reduce -1.4%
ES Eversource Energy	1.78%	193,788	$13.4M	Reduce -0.5%
AMZN Amazon.com Inc.	1.75%	63,233	$13.2M	Reduce -6.0%
D Dominion Energy Inc.	1.63%	198,571	$12.3M	Add +2.6%
MRK Merck & Co. Inc.	1.50%	94,272	$11.3M	Reduce -7.0%
POR Portland General Electric Co.	1.50%	214,357	$11.3M	Reduce -1.6%
AMT American Tower Corp.	1.45%	63,259	$10.9M	Add +3.3%
GNRC Generac Holdings Inc.	1.44%	55,500	$10.8M	Reduce -3.5%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS	1.43%	44,520	$10.8M	Reduce -8.6%
MSFT Microsoft Corp.	1.42%	29,035	$10.7M	Reduce -7.3%
LNN Lindsay Corp.	1.40%	88,410	$10.5M	Add +7.4%
CACI Caci International Inc. Class A	1.33%	18,474	$10.0M	Reduce -2.4%
EQT Eqt Corp.	1.26%	149,316	$9.5M	Add +2.9%
FLS Flowserve Corp.	1.22%	124,825	$9.2M	Reduce -9.7%
WDC Western Digital Corp.	1.18%	32,958	$8.9M	Reduce -48.8%
BMY Bristol-Myers Squibb Co.	1.16%	144,565	$8.8M	Reduce -3.6%
ASTE Astec Industries Inc.	1.09%	152,109	$8.2M	Reduce -13.4%
ECG Everus Construction Group	1.06%	67,874	$8.0M	Reduce -11.3%
DIS The Walt Disney Co. filed as DISNEY WALT CO	1.06%	83,042	$8.0M	Add +12.1%
MDU Mdu Resources Group Inc.	1.03%	376,640	$7.8M	Reduce -3.3%
ITRI Itron Inc.	0.96%	80,656	$7.2M	Add +37.5%
GRC Gorman-Rupp Co.	0.93%	112,656	$7.0M	Reduce -0.8%
GVA Granite Construction Inc.	0.92%	57,755	$6.9M	Reduce -23.1%
HON Honeywell International Inc.	0.88%	29,360	$6.6M	Reduce -0.8%
NJR New Jersey Resources Corp.	0.85%	117,260	$6.4M	Reduce -2.4%
VMC Vulcan Materials Co.	0.82%	22,850	$6.2M	Reduce -8.0%
JAZZ Jazz Pharmaceuticals PLC	0.82%	32,833	$6.2M	Reduce -4.6%
BCE Bce Inc.	0.81%	241,927	$6.1M	Add +3.7%
GOOGL Alphabet Inc. Class A	0.81%	21,173	$6.1M	Reduce -4.4%
PFE Pfizer Inc.	0.80%	214,087	$6.0M	Add +3.9%
INTC Intel Corp.	0.78%	133,464	$5.9M	Reduce -25.3%
EXP Eagle Materials Inc.	0.74%	29,296	$5.6M	Add +3.4%
EQNR Equinor ASA-Spon ADR	0.73%	130,159	$5.5M	Add +1.1%
TMP Tompkins Financial Corp.	0.72%	68,792	$5.4M	Reduce -17.5%
TMO Thermo Fisher Scientific Inc.	0.72%	10,995	$5.4M	Reduce -7.0%
IDA Idacorp Inc.	0.68%	36,029	$5.2M	Reduce -5.4%
STT State Street Corp.	0.66%	39,588	$5.0M	Reduce -4.9%
VNM Vaneck Vietnam ETF	0.66%	287,644	$5.0M	Reduce -1.2%
SYY Sysco Corp.	0.66%	69,660	$5.0M	Add +0.7%
COHR Coherent Corp.	0.65%	20,650	$4.9M	Reduce -25.9%
CIEN Ciena Corp.	0.64%	12,400	$4.8M	Reduce -24.9%
GOOG Alphabet Inc. Class C	0.64%	16,738	$4.8M	Reduce -0.5%
LOW Lowe's Cos Inc.	0.60%	19,230	$4.5M	Reduce -4.1%
KDP Keurig Dr Pepper Inc.	0.59%	169,700	$4.5M	Add +7.0%
KNF Knife River Corp.	0.59%	54,392	$4.4M	Reduce -5.1%
TWLO Twilio Inc. Class A	0.57%	34,366	$4.3M	Add +78.8%
NXST Nexstar Media Group Inc.	0.55%	23,000	$4.2M	Reduce -14.4%
EA Electronic Arts Inc.	0.53%	19,750	$4.0M	Reduce -3.4%
GSK GSK PLC-Spon ADR	0.53%	72,610	$4.0M	Reduce -8.0%
VOO Vanguard S&P 500 ETF	0.52%	6,614	$4.0M	Add +0.1%
EHC Encompass Health Corp.	0.52%	40,400	$3.9M	Add +47.2%
UTHR United Therapeutics Corp.	0.50%	6,355	$3.8M	Reduce -8.6%
AAPL Apple Inc.	0.48%	14,353	$3.6M	Reduce -14.3%
BKH Black Hills Corp.	0.47%	50,924	$3.5M	Reduce -0.9%
WTS Watts Water Technologies-A	0.43%	11,225	$3.3M	Reduce -1.8%
GEHC GE Healthcare Technology	0.43%	45,210	$3.2M	Reduce -5.3%
HAL Halliburton Co.	0.42%	82,108	$3.2M	Reduce -2.3%
ABT Abbott Laboratories	0.39%	28,963	$3.0M	Reduce -2.7%
PEG Public Service Enterprise GP	0.39%	36,322	$2.9M	Reduce -4.5%
MELI MercadoLibre Inc.	0.38%	1,665	$2.9M	New
GEV GE Vernova Inc.	0.38%	3,273	$2.9M	Reduce -5.9%
SNOW Snowflake Inc.	0.37%	18,666	$2.8M	Reduce -4.0%
SO The Southern Co.	0.33%	25,880	$2.5M	Reduce -0.4%
CCK Crown Holdings Inc.	0.32%	24,114	$2.4M	Reduce -4.0%
AZTA Azenta Inc.	0.31%	109,344	$2.3M	Add +88.1%
ORCL Oracle Corp.	0.30%	15,245	$2.2M	Reduce -17.5%
OTTR Otter Tail Corp.	0.30%	25,450	$2.2M	Add +2.0%
VNT Vontier Corp.	0.28%	59,796	$2.1M	Reduce -1.0%
AGX Argan Inc.	0.28%	3,833	$2.1M	Reduce -4.2%
SKBSY Skanska AB-SPN ADR	0.27%	72,566	$2.0M	Reduce -0.3%
WBS Webster Financial Corp.	0.25%	27,550	$1.9M	Reduce -0.5%
LLY Eli Lilly & Co.	0.24%	2,002	$1.8M	Reduce -17.6%
ZBH Zimmer Biomet Holdings Inc.	0.23%	18,866	$1.7M	Reduce -6.6%
SOLV Solventum Corp.	0.22%	25,348	$1.7M	Reduce -7.0%
CRM Salesforce Inc.	0.20%	8,283	$1.5M	Reduce -30.1%
A Agilent Technologies Inc.	0.20%	13,525	$1.5M	Reduce -10.9%
LITE Lumentum Holdings Inc.	0.18%	1,933	$1.4M	Reduce -66.4%
PLNT Planet Fitness Inc. Class A	0.17%	17,650	$1.3M	Add +42.3%
CVX Chevron Corp.	0.17%	6,261	$1.3M	Reduce -2.3%
VWO Vanguard Ftse Emerging Marke	0.17%	23,800	$1.3M	No change
HRNNF Hydro One Ltd.	0.16%	29,700	$1.2M	No change
YORW York Water Co. filed as YORK WTR CO	0.15%	37,050	$1.1M	No change
MHK Mohawk Industries Inc.	0.15%	11,386	$1.1M	New
WSBF Waterstone Financial Inc.	0.15%	61,248	$1.1M	Reduce -3.2%
SHEL Shell PLC-ADR	0.14%	11,100	$1.0M	No change
BKNG Booking Holdings Inc.	0.14%	244	$1.0M	Add +20.8%
MTSI Macom Technology Solutions H	0.14%	4,600	$1.0M	Reduce -11.5%
BP BP PLC-Spons ADR	0.14%	21,700	$1.0M	No change
EBMT Eagle Bancorp Montana Inc.	0.13%	48,910	$1.0M	Reduce -13.3%

Show all 174 holdings

Portfolio Sells Q4 2025 → Q1 2026


MSFT Microsoft Corp.	Reduce -7.3%	1.42%	−0.59
EMR Emerson Electric Co.	Reduce -9.6%	4.36%	−0.55
SNDK Sandisk Corp.	Sold out	0.00%	−0.53
AVGO Broadcom Inc.	Reduce -6.8%	2.39%	−0.49
IBM Intl Business Machines Corp.	Reduce -8.6%	1.43%	−0.49
ADBE Adobe Inc.	Reduce -72.6%	0.10%	−0.45
TEL Te Connectivity PLC	Reduce -3.5%	2.64%	−0.36
AMZN Amazon.com Inc.	Reduce -6.0%	1.75%	−0.33
WDC Western Digital Corp.	Reduce -48.8%	1.18%	−0.30
AMGN Amgen Inc.	Reduce -75.8%	0.10%	−0.28
PYPL PayPal Holdings Inc.	Reduce -82.4%	0.04%	−0.26
MANH Manhattan Associates Inc.	Reduce -81.7%	0.04%	−0.24
GVA Granite Construction Inc.	Reduce -23.1%	0.92%	−0.24
CRM Salesforce Inc.	Reduce -30.1%	0.20%	−0.21
TMO Thermo Fisher Scientific Inc.	Reduce -7.0%	0.72%	−0.20
SNOW Snowflake Inc.	Reduce -4.0%	0.37%	−0.20
ORCL Oracle Corp.	Reduce -17.5%	0.30%	−0.18
NXST Nexstar Media Group Inc.	Reduce -14.4%	0.55%	−0.18
AAPL Apple Inc.	Reduce -14.3%	0.48%	−0.12
VMC Vulcan Materials Co.	Reduce -8.0%	0.82%	−0.12
GOOGL Alphabet Inc. Class A	Reduce -4.4%	0.81%	−0.12
LLY Eli Lilly & Co.	Reduce -17.6%	0.24%	−0.10
ABT Abbott Laboratories	Reduce -2.7%	0.39%	−0.10
LITE Lumentum Holdings Inc.	Reduce -66.4%	0.18%	−0.10
INTC Intel Corp.	Reduce -25.3%	0.78%	−0.10
GEHC GE Healthcare Technology	Reduce -5.3%	0.43%	−0.10
REGN Regeneron Pharmaceuticals	Reduce -50.3%	0.09%	−0.10
CSCO Cisco Systems Inc.	Reduce -2.8%	3.30%	−0.09
TMP Tompkins Financial Corp.	Reduce -17.5%	0.72%	−0.09
TXN Texas Instruments Inc.	Sold out	0.00%	−0.08
VNM Vaneck Vietnam ETF	Reduce -1.2%	0.66%	−0.08
LH Labcorp Holdings Inc.	Sold out	0.00%	−0.07
A Agilent Technologies Inc.	Reduce -10.9%	0.20%	−0.07
SOLV Solventum Corp.	Reduce -7.0%	0.22%	−0.07
GOOG Alphabet Inc. Class C	Reduce -0.5%	0.64%	−0.07
FLS Flowserve Corp.	Reduce -9.7%	1.22%	−0.06
HAE Haemonetics Corp.	Reduce -16.9%	0.08%	−0.06
IQV Iqvia Holdings Inc.	Sold out	0.00%	−0.06
GM General Motors Co.	Sold out	0.00%	−0.05
BRK.B Berkshire Hathaway Inc. Class B	Reduce -38.0%	0.07%	−0.05
STT State Street Corp.	Reduce -4.9%	0.66%	−0.05
PANW Palo Alto Networks Inc.	Sold out	0.00%	−0.05
GABC German American Bancorp	Sold out	0.00%	−0.04
LOW Lowe's Cos Inc.	Reduce -4.1%	0.60%	−0.04
ALB Albemarle Corp.	Sold out	0.00%	−0.04
ILMN Illumina Inc.	Reduce -21.7%	0.10%	−0.04
COHR Coherent Corp.	Reduce -25.9%	0.65%	−0.03
FE Firstenergy Corp.	Sold out	0.00%	−0.03
TDC Teradata Corp.	Reduce -16.5%	0.07%	−0.03
META Meta Platforms Inc. Class A	Sold out	0.00%	−0.03

Portfolio Buys Q4 2025 → Q1 2026


MELI MercadoLibre Inc.	New	0.38%	+0.38
EQNR Equinor ASA-Spon ADR	Add +1.1%	0.73%	+0.32
ITRI Itron Inc.	Add +37.5%	0.96%	+0.23
EQT Eqt Corp.	Add +2.9%	1.26%	+0.22
TWLO Twilio Inc. Class A	Add +78.8%	0.57%	+0.21
MHK Mohawk Industries Inc.	New	0.15%	+0.15
EHC Encompass Health Corp.	Add +47.2%	0.52%	+0.13
D Dominion Energy Inc.	Add +2.6%	1.63%	+0.12
PFE Pfizer Inc.	Add +3.9%	0.80%	+0.11
LNN Lindsay Corp.	Add +7.4%	1.40%	+0.10
CHWY Chewy Inc. Class A	New	0.07%	+0.07
BCE Bce Inc.	Add +3.7%	0.81%	+0.07
STX Seagate Technology Holdings	Add +62.6%	0.10%	+0.06
MOS The Mosaic Co.	New	0.05%	+0.05
AZTA Azenta Inc.	Add +88.1%	0.31%	+0.05
BDX Becton Dickinson and Co.	Add +98.2%	0.11%	+0.04
BAX Baxter International Inc.	New	0.04%	+0.04
CAT Caterpillar Inc.	New	0.04%	+0.04
XRAY Dentsply Sirona Inc.	New	0.04%	+0.04
PCYO Pure Cycle Corp.	New	0.04%	+0.04
FISV Fiserv Inc.	Add +75.6%	0.10%	+0.03
VZ Verizon Communications Inc.	New	0.03%	+0.03
OTTR Otter Tail Corp.	Add +2.0%	0.30%	+0.03
AMT American Tower Corp.	Add +3.3%	1.45%	+0.01
PCT Purecycle Technologies Inc.	New	0.01%	+0.01
NWFL Norwood Financial Corp.	Add +17.5%	0.06%	+0.01
AOS Smith (a.o.) Corp.	Add +14.4%	0.10%	+0.01
DGX Quest Diagnostics Inc.	Add +5.2%	0.05%	+0.01
APTV Aptiv PLC	Add +13.5%	0.09%	+0.00
KDP Keurig Dr Pepper Inc.	Add +7.0%	0.59%	0.00
ABBV Abbvie Inc.	Add +2.2%	0.03%	−0.00
PLNT Planet Fitness Inc. Class A	Add +42.3%	0.17%	−0.01
BKNG Booking Holdings Inc.	Add +20.8%	0.14%	−0.01
SYY Sysco Corp.	Add +0.7%	0.66%	−0.02
VOO Vanguard S&P 500 ETF	Add +0.1%	0.52%	−0.03
EXP Eagle Materials Inc.	Add +3.4%	0.74%	−0.04
DIS The Walt Disney Co.	Add +12.1%	1.06%	−0.06

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	181	$824.4M	GLW, TSM, CSCO, EMR, OGE
Q1 2026	174	$754.3M	GLW, TSM, EMR, CSCO, OGE
Q4 2025	179	$750.0M	TSM, EMR, GLW, CSCO, TEL
Q3 2025	173	$742.7M	TSM, EMR, GLW, AVGO, OGE
Q2 2025	174	$673.8M	EMR, TSM, GLW, IBM, AVGO
Q1 2025	170	$648.4M	EMR, GLW, OGE, TSM, CSCO
Q4 2024	172	$679.6M	EMR, GLW, TSM, IBM, OGE
Q3 2024	179	$695.5M	EMR, GLW, IBM, TSM, OGE
Q2 2024	179	$655.5M	EMR, GLW, TSM, IBM, OGE
Q1 2024	174	$651.8M	EMR, GLW, IBM, TSM, OGE