NORTHERN TECHNOLOGIES INTERNATIONAL CORP - Common Stock, par value $0.02 per share (NTIC)

Q: What does CUSIP 665809109 represent in this 13F holders report?

CUSIP 665809109 is the security identifier for NTIC - NORTHERN TECHNOLOGIES INTERNATIONAL CORP - Common Stock, par value $0.02 per share used to aggregate holder disclosures.

Q: How many institutions held NTIC - NORTHERN TECHNOLOGIES INTERNATIONAL CORP - Common Stock, par value $0.02 per share in Q1 2026?

47 institutional investors reported NTIC - NORTHERN TECHNOLOGIES INTERNATIONAL CORP - Common Stock, par value $0.02 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: 665809109

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common Stock, par value $0.02 per share
Total 13F shares: 3,049,452
Total 13F value: $25,127,920
Share change: -79,691
SEC-reported price per share: $8.24
Number of holders: 47
Value change: -$628,828
Number of buys: 10
Number of sells: 23
Shares outstanding: 9,444,444

Security key

665809109

Report period

Q1 2026

Institutions

Top holders

NTIC full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 NORTHERN TECHNOLOGIES INTERNATIONAL CORP SEC filings NORTHERN TECHNOLOGIES INTERNATIONAL CORP company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 665809109

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of NTIC - NORTHERN TECHNOLOGIES INTERNATIONAL CORP - Common Stock, par value $0.02 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

NEEDHAM INVESTMENT MANAGE...

Disclosed value leader

NEEDHAM INVESTMENT MANAGE...

Comparable rows

15/15

Latest evidence

31 Mar 2026

13D/G 13F 3/4/5 Lead comparable stake: 8.1% 13D/G row: NEEDHAM INVESTMENT MANAGEMENT LLC Showing 1-6 of 15 holder rows.

Quick read

NEEDHAM INVESTMENT MANAGEMENT LLC leads the comparable SEC ownership view at 8.1%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens NEEDHAM INVESTMENT MANAGEMENT LLC's linked filing trail.

Comparable ownership Top 5

NEEDHAM INVESTMENT MANAGEMENT LLC 8.1%

VANGUARD GROUP INC 4.6%

Sarah E. Kemp 0.17%

Nancy E. Calderon 0.16%

Cristina Lucia Duarte Pinho 0.11%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
NEEDHAM INVESTMENT MANAGEMENT LLC	13D/G 13F Needham Investment Management L.L.C. · Company 13D/G 13F	8.1%	$6,303,600 765,000 shares	+$1,030,000	31 Mar 2026
VANGUARD GROUP INC	13F 13D/G Company · The Vanguard Group 13F 13D/G	4.6% from 13D/G	$3,341,460 426,751 shares	—	31 Dec 2025
Sarah E. Kemp	3/4/5 Director 3/4/5	0.17%	$120,563 16,270 shares	—	01 Sep 2025
Nancy E. Calderon	3/4/5 Director 3/4/5	0.16%	$109,233 14,741 shares	—	01 Sep 2025
Cristina Lucia Duarte Pinho	3/4/5 Director 3/4/5	0.11%	$77,879 10,510 shares	—	01 Sep 2025
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	3.6%	$2,647,573 338,147 shares	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

3,049,452

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-2

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend