Granahan Investment Management, LLC / SIBN
Granahan Investment Management, LLC’s Si Bone Inc Position
Does Granahan Investment Management, LLC own Si Bone Inc (SIBN)? Yes — 1.74M shares worth $22M (+1.06% of its 13F portfolio) as of Q1 2026, up from 880.2K shares the prior filed quarter.
Position Value
$22M
Q1 2026
Shares
1.74M
% of Portfolio
+1.06%
Quarters Held
22
currently held
Position History SIBN
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 1.74M | $22M | +1.06% |
| Q4 2025 | 880.2K | $17M | +0.74% |
| Q3 2025 | 1.04M | $15M | +0.63% |
| Q2 2025 | 1.26M | $24M | +0.97% |
| Q1 2025 | 1.43M | $20M | +1.00% |
| Q4 2024 | 1.63M | $23M | +0.96% |
| Q3 2024 | 1.66M | $23M | +0.91% |
| Q2 2024 | 1.76M | $23M | +0.91% |
| Q1 2024 | 1.59M | $26M | +0.92% |
| Q4 2023 | 1.29M | $27M | +0.89% |
| Q3 2023 | 1.14M | $24M | +0.86% |
| Q2 2023 | 943.7K | $25M | +0.78% |
| Q1 2023 | 1.18M | $23M | +0.71% |
| Q4 2022 | 1.16M | $16M | +0.48% |
| Q3 2022 | 896.5K | $16M | +0.51% |
| Q2 2022 | 680.4K | $9M | +0.31% |
| Q1 2022 | 737.7K | $17M | +0.41% |
| Q4 2021 | 738.9K | $16M | +0.34% |
| Q3 2021 | 392.5K | $8M | +0.16% |
| Q2 2021 | 358.1K | $11M | +0.21% |
| Q1 2021 | 248.4K | $8M | +0.17% |
| Q4 2020 | 219.3K | $7M | +0.15% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Granahan Investment Management, LLC’s full portfolio or all institutional holders of SIBN.