SEC ownership of OPEN TEXT CORP

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001002638.

Comparable stake leader

1832 Asset Management L.P.

Disclosed value leader

1832 Asset Management L.P.

Comparable rows

50/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
1832 Asset Management L.P.
Latest parsed ownership date
31 Mar 2026
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001002638
Issuer location
Ontario Canada, Ontario, Canada

Ownership snapshot

Top shareholders of OPEN TEXT CORP (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
1832 Asset Management L.P.
Disclosed value leader
1832 Asset Management L.P.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F 13D/G Lead comparable stake: 11% 13D/G row: 1832 Asset Management L.P. Showing 1-8 of 50 holder rows.

Quick read

1832 Asset Management L.P. leads the comparable SEC ownership view at 11%.

50 of 50 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 1832 Asset Management L.P.'s linked filing trail.
Comparable ownership Top 5
1832 Asset Management L.P. 11%
BlackRock, Inc. 8.2%
FIL Ltd 6.9%
JARISLOWSKY, FRASER Ltd 6.2%
BRANDES INVESTMENT PARTNERS, LP 4.9%

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

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
1832 Asset Management L.P.
13F 13D/G
Company
11%
from 13D/G
$605,784,752
27,238,523 shares
31 Mar 2026
BlackRock, Inc.
13D/G 13F
Company
8.2%
$459,613,375
20,666,069 shares
+$56,040,085 31 Mar 2026
FIL Ltd
13F 13D/G
Company · FIL Limited
6.9%
from 13D/G
$382,937,243
17,184,000 shares
31 Mar 2026
JARISLOWSKY, FRASER Ltd
13D/G
Jarislowsky, Fraser Limited
6.2%
$450,738,372
16,589,561 shares
$0 30 Sep 2024
BRANDES INVESTMENT PARTNERS, LP
13F
Company
13F
4.9%
$269,904,986
12,135,998 shares
31 Mar 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F
Company
13F
4.1%
$227,123,763
10,210,601 shares
31 Mar 2026
ROYAL BANK OF CANADA
13F
Company
13F
4%
$218,920,000
9,843,494 shares
31 Mar 2026
LETKO, BROSSEAU & ASSOCIATES INC
13F
Company
13F
3.1%
$173,055,170
7,790,553 shares
31 Mar 2026
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.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 12 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Recent insider transactions for OPEN TEXT CORP

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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