Holder snapshot 6 signals
Share change
+33,688
SEC-reported price per share
$22.66
Number of holders
30
Value change
+$760,880
Number of buys
12
Number of sells
4
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
9,444,444

Security key

665809109

Report period

Q1 2018

Institutions

30

Top holders

10

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
PERRITT CAPITAL MANAGEMEN...
Disclosed value leader
PERRITT CAPITAL MANAGEMEN...
Comparable rows
15/15
Latest evidence
31 Dec 2017
13F Lead comparable stake: 2.8% Showing 1-6 of 15 holder rows.

Quick read

PERRITT CAPITAL MANAGEMENT INC leads the comparable SEC ownership view at 2.8%.

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 PERRITT CAPITAL MANAGEMENT INC's linked filing trail.
Comparable ownership Top 5
PERRITT CAPITAL MANAGEMENT INC 2.8%
RUTABAGA CAPITAL MANAGEMENT LLC/MA 1.9%
DIMENSIONAL FUND ADVISORS LP 1.6%
VANGUARD GROUP INC 1.2%
22NW, LP 0.69%

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
PERRITT CAPITAL MANAGEMENT INC
13F
Company
13F
2.8%
$6,490,000
262,215 shares
31 Dec 2017
RUTABAGA CAPITAL MANAGEMENT LLC/MA
13F
Company
13F
1.9%
$4,435,000
179,201 shares
31 Dec 2017
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
1.6%
$3,705,000
149,395 shares
31 Dec 2017
VANGUARD GROUP INC
13F
Company
13F
1.2%
$2,828,000
114,055 shares
31 Dec 2017
22NW, LP
13F
Company
13F
0.69%
$1,615,000
65,255 shares
31 Dec 2017
Cove Street Capital, LLC
13F
Company
13F
0.66%
$1,545,000
62,424 shares
31 Dec 2017
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 2018

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

Institutions
30
Shares
916,970
Rows available
30
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 2018 vs Q4 2017 Across Filers

Q4 2017 holders
27
Q1 2018 holders
30
Holder diff
3
Investor Q4 2017 Shares Q1 2018 Shares Share Diff Share Chg % Q4 2017 value Q1 2018 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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