SI-BONE Inc
SIBN
158 hedge funds and large institutions have $568M invested in SI-BONE Inc in 2025 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 59 increasing their positions, 38 reducing their positions, and 17 closing their positions.
1,276% more call options, than puts
Call options by funds: $908K | Put options by funds: $66K
94% more first-time investments, than exits
New positions opened: 33 | Existing positions closed: 17
55% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 38
10% more funds holding
Funds holding: 143 → 158 (+15)
2% more capital invested
Capital invested by funds: $558M → $568M (+$9.47M)
0.4% more ownership
Funds ownership: 94.91% → 95.31% (+0.4%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
+$7.67M |
| 2 |
DSCM
Divisadero Street Capital Management
Miami,
Florida
|
+$4.65M |
| 3 |
American Century Companies
Kansas City,
Missouri
|
+$4.26M |
| 4 |
Millennium Management
New York
|
+$3.7M |
| 5 |
Victory Capital Management
San Antonio,
Texas
|
+$3.62M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KLP
Kent Lake PR
Anasco,
Puerto Rico
|
-$9.55M |
| 2 |
Brown Advisory
Baltimore,
Maryland
|
-$7.31M |
| 3 |
SAM
Silvercrest Asset Management
New York
|
-$5.33M |
| 4 |
HCA
Harbor Capital Advisors
Chicago,
Illinois
|
-$4.98M |
| 5 |
JFG
Jefferies Financial Group
New York
|
-$3.51M |
SIBN Hedge Fund Activity: Q1 2025 in Review
158 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in SI-BONE Inc (SIBN) for Q1 2025, worth a combined $568M — up 1.7% from $558M a quarter earlier.
Buyers outnumbered sellers: 33 funds opened new SIBN positions and 17 closed out — a net gain of 16 holders — while 59 added to existing stakes and 38 trimmed.
The largest buyer was First Light Asset Management, adding an estimated $7.67M. The largest seller was Kent Lake PR, cutting an estimated $9.55M.
- 158 institutional investors held SI-BONE Inc (SIBN) as of Q1 2025, up from 143 in Q4 2024.
- Funds reported $568M of SI-BONE Inc stock for Q1 2025, up 1.7% quarter-over-quarter.
- 33 funds opened new SI-BONE Inc positions in Q1 2025 and 17 closed out, a net change of +16 holders.
- The largest SI-BONE Inc buyer in Q1 2025 was First Light Asset Management, an estimated $7.67M added.
- The largest SI-BONE Inc seller in Q1 2025 was Kent Lake PR, an estimated $9.55M sold.
Based on aggregated 13F filings for Q1 2025.