DOSSIER · 13F Holders · Q1 2026
TCX

TUCOWS INC

74 institutions still hold TUCOWS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 898697206·74 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$95M
visible holders
Holders
74
filers reporting
Concentration
38.38%
EdgePoint Investment Group Inc. #1
top holder share
AI Holders Summary · Q1 2026

74 institutions reported TCX in Q1 2026. EdgePoint Investment Group Inc. leads at 38.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
EdgePoint Investment Group Inc.
CIK 0001481669
$36M2.1M0.29%Q1 2026
02
Blacksheep Fund Management Ltd
CIK 0001800249
$19M1.1M7.58%Q1 2026
03
BlackRock, Inc.
CIK 0002012383
$8M562K0.00%Q2 2026
04
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$7M546K0.01%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$5M352K0.00%Q2 2026
06
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$3M198K0.00%Q2 2026
07
STATE STREET CORP
CIK 0000093751
$3M187K0.00%Q2 2026
08
Baader Bank Aktiengesellschaft
CIK 0001542629
$2M163K0.17%Q2 2026
09
Axxion S.A.
CIK 0002030181
$2M139K0.13%Q2 2026
10
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M129K0.00%Q2 2026
11
Russell Investments Group, Ltd.
CIK 0001692234
$2M115K0.00%Q2 2026
12
CITADEL ADVISORS LLC
CIK 0001423053
$1M48K0.00%Q4 2025
13
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$979K73K0.00%Q2 2026
14
Quantinno Capital Management LP
CIK 0001759654
$979K73K0.00%Q2 2026
15
Blackhawk Capital Partners, LLC
CIK 0001582561
$855K63K0.28%Q2 2026
16
NORTHERN TRUST CORP
CIK 0000073124· Index
$815K60K0.00%Q2 2026
17
D. E. Shaw & Co., Inc.
CIK 0001009207
$779K35K0.00%Q4 2025
18
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$756K56K0.00%Q2 2026
19
Vanguard Portfolio Management
CIK 0002100121· Index
$633K47K0.00%Q2 2026
20
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$615K46K0.00%Q2 2026
Page 1 of 4
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Insiders at TUCOWS INC
Matheson LeeCarl MarleneUhrenbacher Christian StephanNienaber Laurenz MalteTory Jeffrey Stewart DonaldMatz-Cerf Sandra CarolaTaylor Allen GordonWoroch David John