Position in BBNX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,695,233
+$2,205,775 QoQ
Shares Held
299,632
+20.6% QoQ
Ownership
0.666%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#31
of 133 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 90%
Shared 0%
None 10%
Common Shares in BBNX Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026Granahan Investment Management, LLC holds $92,277,929 across 8 Medical Devices names. BBNX ranks #7 (5.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SIBN |
SI-BONE, Inc.
|
1,931,182 | $31,516,890 | |
| 2 | KIDS |
Orthopediatrics Corp
|
1,085,964 | $20,774,491 | |
| 3 | IRTC |
iRhythm Holdings, Inc.
|
83,903 | $9,980,261 | |
| 4 | OWLT |
Owlet, Inc.
|
1,595,419 | $9,157,705 | |
| 5 | IRMD |
Iradimed Corp
|
74,966 | $7,163,750 | |
| 6 | MASS |
908 Devices Inc.
|
692,092 | $6,021,200 | |
| 7 | BBNX |
Beta Bionics, Inc.
This page
|
299,632 | $4,695,233 | |
| 8 | LMRI |
Lumexa Imaging Holdings, Inc.
|
263,156 | $2,968,399 |
All Filings in BBNX
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,695,233 | 299,632 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $2,489,458 | 248,449 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,694,365 | 121,246 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,703,673 | 85,741 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||