HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in MLM — Martin Marietta Materials Inc
CIK 1535845
TORONTO, A6
Position in MLM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$2,234,629
+$750,208 QoQ
Shares Held
3,796
+59.2% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MLM Over Time
Shares Held
Position Value (USD)
Position in Building Materials
Basic Materials · as of Mar 31, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $89,989,436 across 6 Building Materials names. MLM ranks #5 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CX |
Cemex Sab De CV
|
3,646,000 | $41,710,240 | |
| 2 | CRH |
Crh Public Ltd Co
|
376,384 | $39,565,486 | |
| 3 | AMRZ |
Amrize Ltd
|
54,058 | $3,028,329 | |
| 4 | VMC |
Vulcan Materials CO
|
8,302 | $2,260,634 | |
| 5 | MLM |
Martin Marietta Materials Inc
This page
|
3,796 | $2,234,629 | |
| 6 | USLM |
United States Lime & Minerals Inc
|
9,112 | $1,190,118 |
All Filings in MLM
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,234,629 | 3,796 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $1,484,421 | 2,384 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,504,478 | 2,387 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $1,319,699 | 2,404 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $348,556 | 729 | Shares | Sole | 2025-05-14 | |
| 2022-12-31 | $1,107,189 | 3,276 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $1,176,272 | 3,652 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $190,615 | 637 | Shares | Sole | 2022-08-11 | |
| 2021-12-31 | $10,396,272 | 23,600 | Shares | Sole | 2022-02-11 | |
| 2021-06-30 | $25,471,044 | 72,400 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $24,325,457 | 72,436 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $20,559,428 | 72,400 | Shares | Sole | 2021-03-01 | |
| 2020-09-30 | $17,075,838 | 72,552 | Shares | Sole | 2021-03-01 | |
| 2020-06-30 | $14,955,668 | 72,400 | Shares | Sole | 2021-03-01 | |
| 2020-03-31 | $17,346,335 | 91,668 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||