Position in SIBN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$21,964,795
+$4,608,139 QoQ
Shares Held
1,739,097
+97.6% QoQ
Ownership
3.92%
of shares outstanding
% of Portfolio
1.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 92.13206623897344.ToString("F0")%
Shared 0.ToString("F0")%
None 7.867933761026556.ToString("F0")%
Common Shares in SIBN Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026Granahan Investment Management, LLC holds $63,165,697 across 8 Medical Devices names. SIBN ranks #1 (34.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SIBN |
SI-BONE, Inc.
This page
|
1,739,097 | $21,964,795 | |
| 2 | KIDS |
Orthopediatrics Corp
|
896,741 | $14,231,279 | |
| 3 | IRTC |
iRhythm Holdings, Inc.
|
96,022 | $11,332,516 | |
| 4 | OWLT |
Owlet, Inc.
|
1,186,655 | $6,099,406 | |
| 5 | MASS |
908 Devices Inc.
|
695,070 | $4,253,828 | |
| 6 | BBNX |
Beta Bionics, Inc.
|
248,449 | $2,489,458 | |
| 7 | NEOG |
Neogen Corp
|
250,026 | $2,322,741 | |
| 8 | IRMD |
Iradimed Corp
|
4,900 | $471,674 |
All Filings in SIBN
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22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,964,795 | 1,739,097 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,356,656 | 880,155 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $15,303,633 | 1,039,649 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $23,794,634 | 1,264,327 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $20,100,795 | 1,432,701 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $22,916,615 | 1,634,566 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $23,155,157 | 1,656,306 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $22,796,895 | 1,763,101 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $26,070,436 | 1,592,574 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $27,002,585 | 1,286,450 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $24,133,588 | 1,136,233 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $25,461,457 | 943,716 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $23,201,197 | 1,179,522 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $15,809,782 | 1,162,484 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $15,652,453 | 896,475 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $8,981,517 | 680,418 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $16,672,291 | 737,712 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $16,411,901 | 738,942 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $8,408,335 | 392,546 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $11,269,564 | 358,105 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $7,900,395 | 248,362 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $6,557,877 | 219,327 | Shares | Sole | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||