SI-BONE Inc
SIBN
178 hedge funds and large institutions have $769M invested in SI-BONE Inc in 2025 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 59 increasing their positions, 56 reducing their positions, and 17 closing their positions.
6,908% more call options, than puts
Call options by funds: $1.68M | Put options by funds: $24K
124% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 17
35% more capital invested
Capital invested by funds: $568M → $769M (+$201M)
13% more funds holding
Funds holding: 158 → 178 (+20)
5% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 56
0.57% more ownership
Funds ownership: 95.31% → 95.88% (+0.57%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCM
Peregrine Capital Management
Minneapolis,
Minnesota
|
+$5.87M |
| 2 |
D.E. Shaw & Co
New York
|
+$5.7M |
| 3 |
NCGI
Next Century Growth Investors
Plymouth,
Minnesota
|
+$4.25M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$4.21M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$4.16M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
O
OrbiMed
New York
|
-$14.3M |
| 2 |
PCMI
Paradigm Capital Management Inc
Albany,
New York
|
-$10M |
| 3 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
-$7.56M |
| 4 |
BG
Bellevue Group
Kuesnacht,
Switzerland
|
-$5.52M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
-$5.4M |
SIBN Hedge Fund Activity: Q2 2025 in Review
178 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in SI-BONE Inc (SIBN) for Q2 2025, worth a combined $769M — up 35% from $568M a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new SIBN positions and 17 closed out — a net gain of 21 holders — while 59 added to existing stakes and 56 trimmed.
The largest buyer was Peregrine Capital Management, opening a new position worth an estimated $5.87M. The largest seller was OrbiMed, cutting an estimated $14.3M.
- 178 institutional investors held SI-BONE Inc (SIBN) as of Q2 2025, up from 158 in Q1 2025.
- Funds reported $769M of SI-BONE Inc stock for Q2 2025, up 35% quarter-over-quarter.
- 38 funds opened new SI-BONE Inc positions in Q2 2025 and 17 closed out, a net change of +21 holders.
- The largest SI-BONE Inc buyer in Q2 2025 was Peregrine Capital Management, an estimated $5.87M added.
- The largest SI-BONE Inc seller in Q2 2025 was OrbiMed, an estimated $14.3M sold.
Based on aggregated 13F filings for Q2 2025.