Position in ONT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,292,717
+$343,676 QoQ
Shares Held
241,787
+21.3% QoQ
Ownership
0.669%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
5 quarters on record
Voting authority
Sole 94%
Shared 0%
None 6%
Common Shares in ONT Over Time
Shares Held
Position Value (USD)
Position in Waste Management
Industrials · as of Mar 31, 2026Granahan Investment Management, LLC holds $25,148,504 across 2 Waste Management names. ONT ranks #2 (21.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CWST |
Casella Waste Systems Inc
|
250,262 | $19,855,787 | |
| 2 | ONT |
Onterris, Inc.
This page
|
241,787 | $5,292,717 |
All Filings in ONT
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,292,717 | 241,787 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $4,949,041 | 199,317 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,491,720 | 90,740 | Shares | Sole | 2025-11-14 | |
| 2024-09-30 | $14,624,299 | 556,057 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $21,535,848 | 483,300 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||