JOHN G ULLMAN & ASSOCIATES INC

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Institutional

CIK 0000919530

$754.3M

Reported AUM

174

Positions

Q1 2026

Period

2026-05-06

Filed

The Brief · JOHN G ULLMAN & ASSOCIATES INC · Q1 2026

AI · grounded in 13F

JOHN G ULLMAN & ASSOCIATES INC closed its position in SNDK for a reduction of $3.95M. The fund established a new position in MELI valued at $2.88M. Other activity included trimming shares in EMR by 9.63% and IBM by 8.57%.

Portfolio · Q1 2026

Top holdings

#	Stock	Issuer	Price	Day %	1Y Gr.	5Y Gr.	Value	% of book	Δ shares (QoQ)	Status
1	GLW	CORNING INC	$124.05	-1.56%	102.10%	250.88%	$43.5M	5.76%	—	HELD
2	TSM	TAIWAN SEMICONDUCTOR M F SPONS	$374.67	-4.50%	61.05%	241.53%	$40.8M	5.41%	—	HELD
3	EMR	EMERSON ELEC CO	$145.73	-4.01%	8.82%	58.32%	$32.8M	4.35%	—	HELD
4	—	CISCO SYSTEMS INC	—	—	—	—	$24.9M	3.30%	—	HELD
5	OGE	OGE ENERGY CORP	$47.79	-3.06%	10.87%	69.39%	$23.3M	3.09%	—	HELD
6	—	TE CONNECTIVITY PLC F	—	—	—	—	$19.9M	2.64%	—	HELD
7	—	BROADCOM INC	—	—	—	—	$18.0M	2.39%	—	HELD
8	—	EXXON MOBIL CORP	—	—	—	—	$17.8M	2.36%	—	HELD
9	BE	BLOOM ENERGY CORP CLASS A	$163.75	-1.85%	345.94%	664.47%	$17.0M	2.26%	—	HELD
10	—	ESSENTIAL UTILS INC	—	—	—	—	$16.3M	2.15%	—	HELD
11	—	NEXTERA ENERGY INC	—	—	—	—	$13.9M	1.85%	—	HELD
12	SLB	SCHLUMBERGER LTD F	$48.96	-2.04%	52.19%	93.99%	$13.7M	1.82%	—	HELD
13	—	EVERSOURCE ENERGY	—	—	—	—	$13.4M	1.78%	—	HELD
14	AMZN	AMAZON.COM INC	$226.65	-1.82%	5.54%	30.60%	$13.2M	1.75%	—	HELD
15	—	DOMINION ENERGY INC	—	—	—	—	$12.3M	1.63%	—	HELD
16	—	MERCK & CO. INC.	—	—	—	—	$11.3M	1.50%	—	HELD
17	POR	PORTLAND GENERAL ELECTRIC CO	$50.30	-1.66%	28.36%	22.21%	$11.3M	1.50%	—	HELD
18	—	AMERICAN TOWER CORP NEW REIT	—	—	—	—	$10.9M	1.45%	—	HELD
19	GNRC	GENERAC HLDGS INC	$195.19	-0.21%	0.81%	-55.33%	$10.8M	1.44%	—	HELD
20	IBM	IBM CORP	$226.44	-0.49%	-6.67%	103.90%	$10.8M	1.43%	—	HELD
21	MSFT	MICROSOFT CORP	$390.54	-0.71%	-24.89%	34.54%	$10.7M	1.42%	—	HELD
22	LNN	LINDSAY CORP	$112.43	-2.35%	-15.09%	-28.51%	$10.5M	1.40%	—	HELD
23	CACI	CACI INTL INC CLASS A	$487.79	-4.37%	6.99%	91.49%	$10.0M	1.33%	—	HELD
24	—	EQT CORP	—	—	—	—	$9.5M	1.26%	—	HELD
25	—	FLOWSERVE CORP	—	—	—	—	$9.2M	1.22%	—	HELD
26	WDC	WESTERN DIGITAL CORP	$462.04	-0.32%	505.22%	871.64%	$8.9M	1.18%	—	HELD
27	BMY	BRISTOL-MYERS SQUIBB	$63.10	-0.79%	50.70%	16.74%	$8.8M	1.16%	—	HELD
28	ASTE	ASTEC INDUSTRIES INC	$51.00	-7.09%	36.73%	-11.13%	$8.2M	1.09%	—	HELD
29	ECG	EVERUS CONSTRUCTION GROUP ORD	$109.17	-6.88%	67.07%	84.15%	$8.0M	1.06%	—	HELD
30	DIS	DISNEY WALT CO	$98.48	-0.41%	-14.31%	-43.98%	$8.0M	1.06%	—	HELD
31	MDU	M D U RESOURCES GRP	$20.01	-3.05%	—	—	$7.8M	1.03%	—	HELD
32	ITRI	ITRON INC	$102.33	-4.38%	—	—	$7.2M	0.96%	—	HELD
33	GRC	GORMAN RUPP CO CLASS EQUITY	$78.47	-4.80%	—	—	$7.0M	0.93%	—	HELD
34	GVA	GRANITE CONSTR INC	$117.88	-2.83%	—	—	$6.9M	0.92%	—	HELD
35	HON	HONEYWELL INTL INC	$241.12	-2.40%	—	—	$6.6M	0.88%	—	HELD
36	NJR	NEW JERSEY RES CORP	$59.45	-0.68%	—	—	$6.4M	0.85%	—	HELD
37	VMC	VULCAN MATLS CO	$283.92	-1.56%	—	—	$6.2M	0.82%	—	HELD
38	—	JAZZ PHARMACEUTICALS P F	—	—	—	—	$6.2M	0.82%	—	HELD
39	—	BCE INC F	—	—	—	—	$6.1M	0.81%	—	HELD
40	—	ALPHABET INC CLASS A	—	—	—	—	$6.1M	0.81%	—	HELD
41	PFE	PFIZER INC	$25.15	-0.40%	—	—	$6.0M	0.80%	—	HELD
42	INTC	INTEL CORP	$81.88	-5.12%	—	—	$5.9M	0.78%	—	HELD
43	—	EAGLE MATLS INC	—	—	—	—	$5.6M	0.74%	—	HELD
44	—	EQUINOR ASA F SPONSORED ADR 1	—	—	—	—	$5.5M	0.73%	—	HELD
45	TMP	TOMPKINS FINL CORP	$99.44	-1.79%	—	—	$5.4M	0.72%	—	HELD
46	TMO	THERMO FISHER SCIENTIFIC	$576.46	0.01%	—	—	$5.4M	0.72%	—	HELD
47	IDA	IDACORP INC	$144.40	-2.85%	—	—	$5.2M	0.68%	—	HELD
48	STT	STATE STR CORP	$176.04	-3.58%	—	—	$5.0M	0.66%	—	HELD
49	—	VANECK VIETNAM ETF	—	—	—	—	$5.0M	0.66%	—	HELD
50	SYY	SYSCO CORP	$85.32	0.14%	—	—	$5.0M	0.66%	—	HELD
51	—	COHERENT CORP	—	—	—	—	$4.9M	0.65%	—	HELD
52	CIEN	CIENA CORP	$330.37	-5.75%	—	—	$4.8M	0.64%	—	HELD
53	—	ALPHABET INC CLASS C	—	—	—	—	$4.8M	0.64%	—	HELD
54	LOW	LOWES COS INC	$215.68	-1.17%	—	—	$4.5M	0.60%	—	HELD
55	KDP	KEURIG DR PEPPER INC	$31.45	1.19%	—	—	$4.5M	0.59%	—	HELD
56	KNF	KNIFE RIVER ORD	$76.22	-3.52%	—	—	$4.4M	0.59%	—	HELD
57	TWLO	TWILIO CL A ORD	$188.25	-3.13%	—	—	$4.3M	0.57%	—	HELD
58	—	NEXSTAR MEDIA GROUP INC	—	—	—	—	$4.2M	0.55%	—	HELD
59	EA	ELECTRONIC ARTS INC	$208.91	0.02%	—	—	$4.0M	0.53%	—	HELD
60	—	GSK PLC ADR F SPONSORED ADR 1	—	—	—	—	$4.0M	0.53%	—	HELD
61	VOO	VANGUARD S&P 500 ETF	$670.63	-1.52%	—	—	$4.0M	0.52%	—	HELD
62	EHC	ENCOMPASS HEALTH CORP	$113.80	-1.92%	—	—	$3.9M	0.52%	—	HELD
63	—	UNITED THERAPEUTICS CORP	—	—	—	—	$3.8M	0.50%	—	HELD
64	AAPL	APPLE INC	$338.19	-0.56%	—	—	$3.6M	0.48%	—	HELD
65	BKH	BLACK HILLS CORP	$72.94	-2.49%	—	—	$3.5M	0.47%	—	HELD
66	WTS	WATTS WATER TECHNOLOGIES CLASS	$336.15	-3.01%	—	—	$3.3M	0.43%	—	HELD
67	—	GE HEALTHCARE TECHNOLOGI	—	—	—	—	$3.2M	0.43%	—	HELD
68	HAL	HALLIBURTON CO	$31.19	-0.13%	—	—	$3.2M	0.42%	—	HELD
69	ABT	ABBOTT LABS	$108.00	0.68%	—	—	$3.0M	0.39%	—	HELD
70	PEG	PUBLIC SVC ENTERPRISE GR	$77.75	-1.52%	—	—	$2.9M	0.39%	—	HELD
71	MELI	MERCADOLIBRE ORD	$1863.31	0.04%	—	—	$2.9M	0.38%	—	HELD
72	—	GE VERNOVA INC	—	—	—	—	$2.9M	0.38%	—	HELD
73	SNOW	SNOWFLAKE INC CLASS A	$282.90	4.64%	—	—	$2.8M	0.37%	—	HELD
74	SO	SOUTHERN CO	$96.05	-0.75%	—	—	$2.5M	0.33%	—	HELD
75	CCK	CROWN HLDGS INC	$119.76	-1.19%	—	—	$2.4M	0.32%	—	HELD
76	AZTA	AZENTA INC	$28.28	-2.25%	—	—	$2.3M	0.31%	—	HELD
77	—	ORACLE CORP	—	—	—	—	$2.2M	0.30%	—	HELD
78	OTTR	OTTER TAIL CORP	$90.77	-3.01%	—	—	$2.2M	0.30%	—	HELD
79	VNT	VONTIER CORP	$32.25	-1.77%	—	—	$2.1M	0.28%	—	HELD
80	—	ARGAN INC	—	—	—	—	$2.1M	0.28%	—	HELD
81	SKBSY	SKANSKA AB F SPONSORED ADR 1 A	$27.36	-1.33%	—	—	$2.0M	0.27%	—	HELD
82	WBS	WEBSTER FINL CORP	$75.85	-1.61%	—	—	$1.9M	0.25%	—	HELD
83	LLY	ELI LILLY AND CO	$1210.02	-0.87%	—	—	$1.8M	0.24%	—	HELD
84	—	ZIMMER BIOMET HLDGS INC	—	—	—	—	$1.7M	0.23%	—	HELD
85	—	SOLVENTUM CORP	—	—	—	—	$1.7M	0.22%	—	HELD
86	—	SALESFORCE INC	—	—	—	—	$1.5M	0.20%	—	HELD
87	—	AGILENT TECHNOLOGIES INC	—	—	—	—	$1.5M	0.20%	—	HELD
88	LITE	LUMENTUM HOLDINGS INC	$602.35	-7.61%	—	—	$1.4M	0.18%	—	HELD
89	PLNT	PLANET FITNESS INC	$56.19	0.45%	—	—	$1.3M	0.17%	—	HELD
90	CVX	CHEVRON CORP NEW	$191.86	2.28%	—	—	$1.3M	0.17%	—	HELD
91	VWO	VANGUARD FTSE EMERGING MARKETS	$56.92	-1.42%	—	—	$1.3M	0.17%	—	HELD
92	HRNNF	HYDRO ONE LTD F	$41.63	-1.84%	—	—	$1.2M	0.16%	—	HELD
93	YORW	YORK WATER ORD	$31.55	-1.13%	—	—	$1.1M	0.15%	—	HELD
94	MHK	MOHAWK INDUSTRIES ORD	$113.38	-3.21%	—	—	$1.1M	0.15%	—	HELD
95	—	WATERSTONE FINL INC MD	—	—	—	—	$1.1M	0.15%	—	HELD
96	SHEL	SHELL PLC F SPONSORED ADR 1 AD	$86.20	-0.20%	—	—	$1.0M	0.14%	—	HELD
97	BKNG	BOOKING HOLDINGS ORD	$201.30	1.00%	—	—	$1.0M	0.14%	—	HELD
98	—	MACOM TECHNOLOGY SOLUTIO	—	—	—	—	$1.0M	0.14%	—	HELD
99	BP	BP P L C F SPONSORED ADR 1 ADR	$43.32	3.96%	—	—	$1.0M	0.14%	—	HELD
100	—	EAGLE BANCORP MONT INC	—	—	—	—	$1.0M	0.13%	—	HELD
101	—	MODERNA INC	—	—	—	—	$993K	0.13%	—	HELD
102	—	JOHNSON CONTROLS INTER F	—	—	—	—	$982K	0.13%	—	HELD
103	GILD	GILEAD SCIENCES INC	$132.73	-1.18%	—	—	$975K	0.13%	—	HELD
104	MU	MICRON TECHNOLOGY INC	$739.00	-9.94%	—	—	$966K	0.13%	—	HELD
105	—	RBB BANCORP	—	—	—	—	$867K	0.11%	—	HELD
106	BDX	BECTON DICKINSON & CO	$168.40	1.24%	—	—	$849K	0.11%	—	HELD
107	—	DUKE ENERGY CORP NEW	—	—	—	—	$838K	0.11%	—	HELD
108	—	SELECT SECTOR UTI SELECT SPDR	—	—	—	—	$831K	0.11%	—	HELD
109	LNT	ALLIANT ENERGY CORP	$72.00	-2.43%	—	—	$811K	0.11%	—	HELD
110	—	ADOBE INC	—	—	—	—	$790K	0.10%	—	HELD
111	STX	SEAGATE TECHNOLOGY HOLDINGS	$764.43	2.29%	—	—	$789K	0.10%	—	HELD
112	EMA	EMERA INC F	$54.02	-0.81%	—	—	$756K	0.10%	—	HELD
113	ILMN	ILLUMINA INC	$194.82	0.95%	—	—	$755K	0.10%	—	HELD
114	—	TORTOISE ENERGY INFRASTR	—	—	—	—	$752K	0.10%	—	HELD
115	AMGN	AMGEN INC	$387.64	-1.39%	—	—	$748K	0.10%	—	HELD
116	AOS	SMITH A O CORP	$62.04	-3.08%	—	—	$732K	0.10%	—	HELD
117	FISV	FISERV INC	$55.63	2.62%	—	—	$730K	0.10%	—	HELD
118	—	REGENERON PHARMS INC	—	—	—	—	$703K	0.09%	—	HELD
119	PSX	PHILLIPS 66	$206.81	0.47%	—	—	$701K	0.09%	—	HELD
120	—	CONSTELLATION ENERGY COR	—	—	—	—	$679K	0.09%	—	HELD
121	APTV	APTIV PLC F	$57.97	-2.41%	—	—	$642K	0.09%	—	HELD
122	HAE	HAEMONETICS	$85.42	3.49%	—	—	$637K	0.08%	—	HELD
123	—	3M CO	—	—	—	—	$566K	0.08%	—	HELD
124	CRUS	CIRRUS LOGIC INC	$134.07	-1.53%	—	—	$564K	0.07%	—	HELD
125	BRK/B	BERKSHIRE HATHAWAY CLASS B	—	—	—	—	$560K	0.07%	—	HELD
126	—	TERADATA CORP DEL	—	—	—	—	$543K	0.07%	—	HELD
127	BUSE	FIRST BUSEY ORD	$30.72	1.62%	—	—	$525K	0.07%	—	HELD
128	—	CHEWY INC CLASS A	—	—	—	—	$524K	0.07%	—	HELD
129	AQN	ALGONQUIN PWR & UTILS F	$5.96	-1.97%	—	—	$521K	0.07%	—	HELD
130	ITW	ILLINOIS TOOL WKS INC	$292.45	-0.92%	—	—	$514K	0.07%	—	HELD
131	FELE	FRANKLIN ELEC INC	$105.38	-3.95%	—	—	$498K	0.07%	—	HELD
132	AGCO	AGCO CORP DEL	$116.17	-6.09%	—	—	$475K	0.06%	—	HELD
133	OCFC	OCEANFIRST FINL CORP	$19.73	-1.55%	—	—	$456K	0.06%	—	HELD
134	AEP	AMERICAN ELEC PWR CO INC	$129.40	-2.72%	—	—	$444K	0.06%	—	HELD
135	—	ITT INC	—	—	—	—	$437K	0.06%	—	HELD
136	SOLS	SOLSTICE ADVANCED MATERIALS OR	$55.66	-2.88%	—	—	$437K	0.06%	—	HELD
137	NWFL	NORWOOD FINL CORP	$33.62	-1.26%	—	—	$435K	0.06%	—	HELD
138	VTI	VANGUARD TOTAL STOCK MARKET ET	$360.42	-1.52%	—	—	$434K	0.06%	—	HELD
139	NTIOF	NATIONAL BANK OF CANADA ORD	$158.68	-2.79%	—	—	$419K	0.06%	—	HELD
140	—	THE MOSAIC CO	—	—	—	—	$402K	0.05%	—	HELD
141	—	QUEST DIAGNOSTICS INC	—	—	—	—	$398K	0.05%	—	HELD
142	KO	THE COCA-COLA CO	$89.08	0.92%	—	—	$397K	0.05%	—	HELD
143	TPC	TUTOR PERINI CORP	$76.68	-6.46%	—	—	$386K	0.05%	—	HELD
144	SHW	SHERWIN-WILLIAMS CO	$343.88	-2.93%	—	—	$369K	0.05%	—	HELD
145	GE	GE AEROSPACE	$350.63	-3.56%	—	—	$368K	0.05%	—	HELD
146	EEMV	ISHS MSCI EMERG MRKT MIN VOL F	$69.63	-1.56%	—	—	$337K	0.04%	—	HELD
147	—	XYLEM INC	—	—	—	—	$332K	0.04%	—	HELD
148	VGT	VANGUARD INFORMATION TECHNOLOG	$108.20	-2.41%	—	—	$310K	0.04%	—	HELD
149	—	EATON CORP PLC F	—	—	—	—	$310K	0.04%	—	HELD
150	—	PAYPAL HLDGS INC	—	—	—	—	$307K	0.04%	—	HELD
151	BAX	BAXTER INTL INC	$24.77	1.64%	—	—	$299K	0.04%	—	HELD
152	—	WEC ENERGY GROUP INC	—	—	—	—	$297K	0.04%	—	HELD
153	MANH	MANHATTAN ASSOCIATES ORD	$204.02	21.32%	—	—	$296K	0.04%	—	HELD
154	IBB	ISHARES BIOTECHNOLOGY ETF	—	—	—	—	$287K	0.04%	—	HELD
155	—	ACV AUCTIONS INC CLASS A	—	—	—	—	$281K	0.04%	—	HELD
156	CAT	CATERPILLAR INC	—	—	—	—	$281K	0.04%	—	HELD
157	—	SPDR S&P REGIONAL BANKING ETF	—	—	—	—	$280K	0.04%	—	HELD
158	—	DENTSPLY SIRONA INC	—	—	—	—	$269K	0.04%	—	HELD
159	PCYO	PURE CYCLE CORP	—	—	—	—	$265K	0.04%	—	HELD
160	—	CRH ADR REPSG 1 ORD	—	—	—	—	$263K	0.03%	—	HELD
161	—	INVSC WATER RESC PORTFOLIO ETF	—	—	—	—	$262K	0.03%	—	HELD
162	—	NVIDIA CORP	—	—	—	—	$240K	0.03%	—	HELD
163	—	ABBVIE INC	—	—	—	—	$234K	0.03%	—	HELD
164	—	GOLDMAN SACHS GROUP INC	—	—	—	—	$224K	0.03%	—	HELD
165	FESM	FIDELITY ENHANCED SMALL CAP ET	—	—	—	—	$222K	0.03%	—	HELD
166	MXF	MEXICO FUND INC	—	—	—	—	$222K	0.03%	—	HELD
167	—	INVSC QQQ TRUST SRS 1 ETF	—	—	—	—	$219K	0.03%	—	HELD
168	FTS	FORTIS INC F	—	—	—	—	$217K	0.03%	—	HELD
169	—	VERIZON COMMUNICATIONS I	—	—	—	—	$215K	0.03%	—	HELD
170	RHHBY	ROCHE HLDG LTD F SPONSORED ADR	—	—	—	—	$214K	0.03%	—	HELD
171	APH	AMPHENOL CORP NEW CLASS A	—	—	—	—	$209K	0.03%	—	HELD
172	—	AMERISERV FINL INC	—	—	—	—	$166K	0.02%	—	HELD
173	—	PURECYCLE TECHNOLOGIES I CLASS	—	—	—	—	$81K	0.01%	—	HELD
174	AVLNF	AVALON ADVANCED MATERIALS INC	—	—	—	—	$740	0.00%	—	HELD

Source: SEC EDGAR · accession 0000919530-26-000002. 13F discloses long positions only — shorts, foreign equities, and options are excluded.