HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in ADTN — ADTRAN Holdings, Inc.
CIK 1535845
TORONTO, A6
Position in ADTN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$4,588,390
+$3,549,664 QoQ
Shares Held
330,100
+185.1% QoQ
Ownership
0.405%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#55
of 248 holders
Holding Since
Mar 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ADTN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $685,281,759 across 12 Communication Equipment names. ADTN ranks #6 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
3,966,697 | $465,928,229 | |
| 2 | MSI |
Motorola Solutions, Inc.
|
297,678 | $123,622,696 | |
| 3 | LITE |
Lumentum Holdings Inc.
|
70,740 | $60,699,164 | |
| 4 | EXTR |
Extreme Networks Inc
|
289,000 | $9,354,930 | |
| 5 | VISN |
Vistance Networks, Inc.
|
427,661 | $5,465,507 | |
| 6 | ADTN |
ADTRAN Holdings, Inc.
This page
|
330,100 | $4,588,390 | |
| 7 | CIEN |
Ciena Corp
|
8,840 | $4,336,550 | |
| 8 | HPE |
Hewlett Packard Enterprise Co
|
91,664 | $4,134,963 |
All Filings in ADTN
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,588,390 | 330,100 | Shares | Sole | 2026-08-13 | |
| 2025-06-30 | $1,038,726 | 115,800 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $1,009,776 | 115,800 | Shares | Sole | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||