Comparable stake leader
1832 Asset Management L.P.
SEC ownership of OPEN TEXT CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001002638.
Disclosed value leader
1832 Asset Management L.P.
Comparable rows
4/50
Latest evidence
30 Jun 2026
- Public ticker
- OTEX on Nasdaq
- Parsed ownership sources
-
13F and 13D/G
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
1832 Asset Management L.P.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
4 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
1832 Asset Management L.P.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001002638
- Issuer location
- Ontario Canada, Ontario, Canada
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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
4/50
Latest evidence
30 Jun 2026
13F
13D/G
Lead comparable stake: 8.9%
46 rows are not safely comparable across share classes.
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 8.9%.
4 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 4
1832 Asset Management L.P.
8.9%
FIL Ltd
7.9%
JARISLOWSKY, FRASER Ltd
6.2%
BlackRock, Inc.
6.1%
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
|
8.9%
Reported 13D/G
· 31 Aug 2026
|
$554,680,167
25,041,994 shares
|
— | 30 Jun 2026 |
| FIL Ltd |
13D/G
13F
FIL Limited · Company
|
7.9%
Reported 13D/G
· 30 Jun 2026
|
$440,296,350
19,135,000 shares
|
+$44,892,510 | 30 Jun 2026 |
| JARISLOWSKY, FRASER Ltd |
13D/G
Jarislowsky, Fraser Limited
|
6.2%
Reported 13D/G
· 30 Sep 2024
|
$450,738,372
16,589,561 shares
|
$0 | 30 Sep 2024 |
| BlackRock, Inc. |
13D/G
13F
Company
|
6.1%
Reported 13D/G
· 30 Jun 2026
|
$328,056,451
14,810,675 shares
|
-$129,696,977 | 30 Jun 2026 |
| BRANDES INVESTMENT PARTNERS, LP |
13F
Company
|
—
denominator unverified
|
$289,322,155
13,061,929 shares
|
— | 30 Jun 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
Company
|
—
denominator unverified
|
$266,599,183
12,041,601 shares
|
— | 30 Jun 2026 |
| LETKO, BROSSEAU & ASSOCIATES INC |
13F
Company
|
—
denominator unverified
|
$195,533,493
8,837,628 shares
|
— | 30 Jun 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
denominator unverified
|
$184,869,021
8,350,918 shares
|
— | 30 Jun 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
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 21 Oct 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.