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	$135.22	9.00%	120.30%	282.48%	$43.5M	5.76%	—	HELD
2	TSM	TAIWAN SEMICONDUCTOR M F SPONS	$403.31	7.64%	73.36%	267.64%	$40.8M	5.41%	—	HELD
3	EMR	EMERSON ELEC CO	$148.64	2.00%	4.46%	51.98%	$32.8M	4.35%	—	HELD
4	—	CISCO SYSTEMS INC	—	—	—	—	$24.9M	3.30%	—	HELD
5	OGE	OGE ENERGY CORP	$47.26	-1.11%	8.31%	65.47%	$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	$207.12	26.49%	464.05%	866.95%	$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	$48.91	-0.10%	52.03%	93.79%	$13.7M	1.82%	—	HELD
13	—	EVERSOURCE ENERGY	—	—	—	—	$13.4M	1.78%	—	HELD
14	AMZN	AMAZON.COM INC	$235.50	3.90%	9.66%	35.70%	$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	$50.09	-0.42%	26.24%	20.19%	$11.3M	1.50%	—	HELD
18	—	AMERICAN TOWER CORP NEW REIT	—	—	—	—	$10.9M	1.45%	—	HELD
19	GNRC	GENERAC HLDGS INC	$191.91	-1.68%	-0.89%	-56.08%	$10.8M	1.44%	—	HELD
20	IBM	IBM CORP	$221.74	-2.08%	-7.13%	102.90%	$10.8M	1.43%	—	HELD
21	MSFT	MICROSOFT CORP	$451.10	15.51%	-13.24%	55.41%	$10.7M	1.42%	—	HELD
22	LNN	LINDSAY CORP	$110.57	-1.65%	-16.11%	-29.37%	$10.5M	1.40%	—	HELD
23	CACI	CACI INTL INC CLASS A	$477.35	-2.14%	4.23%	86.54%	$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	$533.04	15.37%	598.22%	1020.95%	$8.9M	1.18%	—	HELD
27	BMY	BRISTOL-MYERS SQUIBB	$64.86	2.79%	49.51%	15.83%	$8.8M	1.16%	—	HELD
28	ASTE	ASTEC INDUSTRIES INC	$51.40	0.78%	37.05%	-10.93%	$8.2M	1.09%	—	HELD
29	ECG	EVERUS CONSTRUCTION GROUP ORD	$122.94	12.61%	75.02%	92.92%	$8.0M	1.06%	—	HELD
30	DIS	DISNEY WALT CO	$96.16	-2.36%	-16.33%	-45.30%	$8.0M	1.06%	—	HELD
31	MDU	M D U RESOURCES GRP	$19.97	-0.20%	—	—	$7.8M	1.03%	—	HELD
32	ITRI	ITRON INC	$98.85	-3.40%	—	—	$7.2M	0.96%	—	HELD
33	GRC	GORMAN RUPP CO CLASS EQUITY	$80.69	2.83%	—	—	$7.0M	0.93%	—	HELD
34	GVA	GRANITE CONSTR INC	$114.92	-2.51%	—	—	$6.9M	0.92%	—	HELD
35	HON	HONEYWELL INTL INC	$241.91	0.33%	—	—	$6.6M	0.88%	—	HELD
36	NJR	NEW JERSEY RES CORP	$58.58	-1.46%	—	—	$6.4M	0.85%	—	HELD
37	VMC	VULCAN MATLS CO	$271.24	-4.47%	—	—	$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	$24.91	-0.95%	—	—	$6.0M	0.80%	—	HELD
42	INTC	INTEL CORP	$91.13	11.30%	—	—	$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	$99.37	-0.07%	—	—	$5.4M	0.72%	—	HELD
46	TMO	THERMO FISHER SCIENTIFIC	$576.77	0.05%	—	—	$5.4M	0.72%	—	HELD
47	IDA	IDACORP INC	$141.90	-1.73%	—	—	$5.2M	0.68%	—	HELD
48	STT	STATE STR CORP	$182.82	3.85%	—	—	$5.0M	0.66%	—	HELD
49	—	VANECK VIETNAM ETF	—	—	—	—	$5.0M	0.66%	—	HELD
50	SYY	SYSCO CORP	$84.71	-0.71%	—	—	$5.0M	0.66%	—	HELD
51	—	COHERENT CORP	—	—	—	—	$4.9M	0.65%	—	HELD
52	CIEN	CIENA CORP	$372.07	12.62%	—	—	$4.8M	0.64%	—	HELD
53	—	ALPHABET INC CLASS C	—	—	—	—	$4.8M	0.64%	—	HELD
54	LOW	LOWES COS INC	$210.08	-2.60%	—	—	$4.5M	0.60%	—	HELD
55	KDP	KEURIG DR PEPPER INC	$31.57	0.38%	—	—	$4.5M	0.59%	—	HELD
56	KNF	KNIFE RIVER ORD	$73.05	-4.16%	—	—	$4.4M	0.59%	—	HELD
57	TWLO	TWILIO CL A ORD	$190.94	1.43%	—	—	$4.3M	0.57%	—	HELD
58	—	NEXSTAR MEDIA GROUP INC	—	—	—	—	$4.2M	0.55%	—	HELD
59	EA	ELECTRONIC ARTS INC	$209.59	0.33%	—	—	$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	$681.79	1.66%	—	—	$4.0M	0.52%	—	HELD
62	EHC	ENCOMPASS HEALTH CORP	$110.89	-2.56%	—	—	$3.9M	0.52%	—	HELD
63	—	UNITED THERAPEUTICS CORP	—	—	—	—	$3.8M	0.50%	—	HELD
64	AAPL	APPLE INC	$333.43	-1.41%	—	—	$3.6M	0.48%	—	HELD
65	BKH	BLACK HILLS CORP	$72.23	-0.97%	—	—	$3.5M	0.47%	—	HELD
66	WTS	WATTS WATER TECHNOLOGIES CLASS	$344.12	2.37%	—	—	$3.3M	0.43%	—	HELD
67	—	GE HEALTHCARE TECHNOLOGI	—	—	—	—	$3.2M	0.43%	—	HELD
68	HAL	HALLIBURTON CO	$31.64	1.44%	—	—	$3.2M	0.42%	—	HELD
69	ABT	ABBOTT LABS	$105.61	-2.21%	—	—	$3.0M	0.39%	—	HELD
70	PEG	PUBLIC SVC ENTERPRISE GR	$77.55	-0.26%	—	—	$2.9M	0.39%	—	HELD
71	MELI	MERCADOLIBRE ORD	$1885.73	1.20%	—	—	$2.9M	0.38%	—	HELD
72	—	GE VERNOVA INC	—	—	—	—	$2.9M	0.38%	—	HELD
73	SNOW	SNOWFLAKE INC CLASS A	$298.10	5.37%	—	—	$2.8M	0.37%	—	HELD
74	SO	SOUTHERN CO	$94.34	-1.78%	—	—	$2.5M	0.33%	—	HELD
75	CCK	CROWN HLDGS INC	$118.37	-1.16%	—	—	$2.4M	0.32%	—	HELD
76	AZTA	AZENTA INC	$28.80	1.84%	—	—	$2.3M	0.31%	—	HELD
77	—	ORACLE CORP	—	—	—	—	$2.2M	0.30%	—	HELD
78	OTTR	OTTER TAIL CORP	$89.40	-1.51%	—	—	$2.2M	0.30%	—	HELD
79	VNT	VONTIER CORP	$31.89	-1.12%	—	—	$2.1M	0.28%	—	HELD
80	—	ARGAN INC	—	—	—	—	$2.1M	0.28%	—	HELD
81	SKBSY	SKANSKA AB F SPONSORED ADR 1 A	$28.25	3.25%	—	—	$2.0M	0.27%	—	HELD
82	WBS	WEBSTER FINL CORP	$77.30	1.91%	—	—	$1.9M	0.25%	—	HELD
83	LLY	ELI LILLY AND CO	$1154.97	-4.55%	—	—	$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	$693.24	15.09%	—	—	$1.4M	0.18%	—	HELD
89	PLNT	PLANET FITNESS INC	$55.98	-0.37%	—	—	$1.3M	0.17%	—	HELD
90	CVX	CHEVRON CORP NEW	$192.31	0.23%	—	—	$1.3M	0.17%	—	HELD
91	VWO	VANGUARD FTSE EMERGING MARKETS	$58.19	2.23%	—	—	$1.3M	0.17%	—	HELD
92	HRNNF	HYDRO ONE LTD F	$41.75	0.29%	—	—	$1.2M	0.16%	—	HELD
93	YORW	YORK WATER ORD	$30.91	-2.03%	—	—	$1.1M	0.15%	—	HELD
94	MHK	MOHAWK INDUSTRIES ORD	$119.56	5.45%	—	—	$1.1M	0.15%	—	HELD
95	—	WATERSTONE FINL INC MD	—	—	—	—	$1.1M	0.15%	—	HELD
96	SHEL	SHELL PLC F SPONSORED ADR 1 AD	$90.51	2.46%	—	—	$1.0M	0.14%	—	HELD
97	BKNG	BOOKING HOLDINGS ORD	$193.24	-4.00%	—	—	$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	$44.22	2.08%	—	—	$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	$131.28	-1.09%	—	—	$975K	0.13%	—	HELD
104	MU	MICRON TECHNOLOGY INC	$874.66	18.36%	—	—	$966K	0.13%	—	HELD
105	—	RBB BANCORP	—	—	—	—	$867K	0.11%	—	HELD
106	BDX	BECTON DICKINSON & CO	$165.45	-1.75%	—	—	$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	$70.89	-1.54%	—	—	$811K	0.11%	—	HELD
110	—	ADOBE INC	—	—	—	—	$790K	0.10%	—	HELD
111	STX	SEAGATE TECHNOLOGY HOLDINGS	$851.68	11.41%	—	—	$789K	0.10%	—	HELD
112	EMA	EMERA INC F	$54.11	0.17%	—	—	$756K	0.10%	—	HELD
113	ILMN	ILLUMINA INC	$205.09	5.27%	—	—	$755K	0.10%	—	HELD
114	—	TORTOISE ENERGY INFRASTR	—	—	—	—	$752K	0.10%	—	HELD
115	AMGN	AMGEN INC	$387.64	0.00%	—	—	$748K	0.10%	—	HELD
116	AOS	SMITH A O CORP	$59.81	-3.59%	—	—	$732K	0.10%	—	HELD
117	FISV	FISERV INC	$54.07	-2.80%	—	—	$730K	0.10%	—	HELD
118	—	REGENERON PHARMS INC	—	—	—	—	$703K	0.09%	—	HELD
119	PSX	PHILLIPS 66	$210.60	1.83%	—	—	$701K	0.09%	—	HELD
120	—	CONSTELLATION ENERGY COR	—	—	—	—	$679K	0.09%	—	HELD
121	APTV	APTIV PLC F	$58.09	0.21%	—	—	$642K	0.09%	—	HELD
122	HAE	HAEMONETICS	$84.82	-0.70%	—	—	$637K	0.08%	—	HELD
123	—	3M CO	—	—	—	—	$566K	0.08%	—	HELD
124	CRUS	CIRRUS LOGIC INC	$131.86	-1.65%	—	—	$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	$31.28	1.82%	—	—	$525K	0.07%	—	HELD
128	—	CHEWY INC CLASS A	—	—	—	—	$524K	0.07%	—	HELD
129	AQN	ALGONQUIN PWR & UTILS F	$5.98	0.34%	—	—	$521K	0.07%	—	HELD
130	ITW	ILLINOIS TOOL WKS INC	$283.70	-2.99%	—	—	$514K	0.07%	—	HELD
131	FELE	FRANKLIN ELEC INC	$103.47	-1.81%	—	—	$498K	0.07%	—	HELD
132	AGCO	AGCO CORP DEL	$107.13	-7.78%	—	—	$475K	0.06%	—	HELD
133	OCFC	OCEANFIRST FINL CORP	$19.64	-0.46%	—	—	$456K	0.06%	—	HELD
134	AEP	AMERICAN ELEC PWR CO INC	$127.78	-1.25%	—	—	$444K	0.06%	—	HELD
135	—	ITT INC	—	—	—	—	$437K	0.06%	—	HELD
136	SOLS	SOLSTICE ADVANCED MATERIALS OR	$57.39	3.11%	—	—	$437K	0.06%	—	HELD
137	NWFL	NORWOOD FINL CORP	$33.70	0.24%	—	—	$435K	0.06%	—	HELD
138	VTI	VANGUARD TOTAL STOCK MARKET ET	$366.27	1.62%	—	—	$434K	0.06%	—	HELD
139	NTIOF	NATIONAL BANK OF CANADA ORD	$162.01	2.10%	—	—	$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	$88.49	-0.66%	—	—	$397K	0.05%	—	HELD
143	TPC	TUTOR PERINI CORP	$83.28	8.61%	—	—	$386K	0.05%	—	HELD
144	SHW	SHERWIN-WILLIAMS CO	$344.84	0.28%	—	—	$369K	0.05%	—	HELD
145	GE	GE AEROSPACE	$355.04	1.26%	—	—	$368K	0.05%	—	HELD
146	EEMV	ISHS MSCI EMERG MRKT MIN VOL F	$71.67	2.93%	—	—	$337K	0.04%	—	HELD
147	—	XYLEM INC	—	—	—	—	$332K	0.04%	—	HELD
148	VGT	VANGUARD INFORMATION TECHNOLOG	$113.58	4.97%	—	—	$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	$26.75	7.99%	—	—	$299K	0.04%	—	HELD
152	—	WEC ENERGY GROUP INC	—	—	—	—	$297K	0.04%	—	HELD
153	MANH	MANHATTAN ASSOCIATES ORD	$190.97	-6.40%	—	—	$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.