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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.

New
Increased
Maintained
Reduced
Closed

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%)

Holders
178
Holders Change
+20
Holders Change %
+12.66%
% of All Funds
2.34%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
38
Increased
59
Reduced
56
Closed
17
Calls
$1.68M
Puts
$24K
Net Calls
+$1.66M
Net Calls Change
+$816K

Top Buyers

Rank Fund Capital Flow
1
PCM
Peregrine Capital Management
Minnesota
+$5.87M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$5.7M
3
NCGI
Next Century Growth Investors
Minnesota
+$4.25M
4
Citadel Advisors
Citadel Advisors
Florida
+$4.21M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$4.16M

Top Sellers

Rank Fund Capital Flow
1
O
OrbiMed
New York
-$14.3M
2
PCMI
Paradigm Capital Management Inc
New York
-$10M
3
CIP
Champlain Investment Partners
Vermont
-$7.56M
4
BG
Bellevue Group
Switzerland
-$5.52M
5
American Century Companies
American Century Companies
Missouri
-$5.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
UBS AM
51
UBS AM
Illinois
$2.64M +$377K +22,731 +19%
Jane Street
52
Jane Street
New York
$2.45M +$10.4K +630 +0.5%
VIM
53
VELA Investment Management
Ohio
$2.37M +$58.1K +3,503 +3%
UBS Group
54
UBS Group
Switzerland
$2.32M +$1.17M +70,682 +134%
SSA
55
Schonfeld Strategic Advisors
New York
$2.27M +$1.34M +80,659 +202%
RA
56
Royce & Associates
New York
$2.07M – – –
JF
57
Jump Financial
Illinois
$2M +$1.76M +106,272 New
Bank of New York Mellon
58
Bank of New York Mellon
New York
$2M -$48.7K -2,935 -3%
BAM
59
Bullseye Asset Management
Colorado
$1.99M – – –
Balyasny Asset Management
60
Balyasny Asset Management
Illinois
$1.97M +$1.22M +73,672 +236%
Barclays
61
Barclays
United Kingdom
$1.96M +$545K +32,891 +46%
LCG
62
Lisanti Capital Growth
New York
$1.93M -$1.09M -65,980 -39%
Macquarie Group
63
Macquarie Group
Australia
$1.88M +$1.65M +99,758 New
SEI Investments
64
SEI Investments
Pennsylvania
$1.83M +$757K +45,648 +88%
Raymond James Financial
65
Raymond James Financial
Florida
$1.81M +$154K +9,291 +11%
Two Sigma Advisers
66
Two Sigma Advisers
New York
$1.81M +$35K +2,110 +2%
ECM
67
ExodusPoint Capital Management
New York
$1.8M +$623K +37,568 +65%
Lazard Asset Management
68
Lazard Asset Management
New York
$1.76M +$112K +6,737 +8%
EGM
69
Engineers Gate Manager
New York
$1.72M +$1.3M +78,161 +585%
LCM
70
Legato Capital Management
California
$1.65M -$190K -11,445 -12%
PP
71
PDT Partners
New York
$1.54M +$1.36M +81,916 New
Calamos Advisors
72
Calamos Advisors
Illinois
$1.42M +$162K +9,741 +15%
Connor, Clark & Lunn Investment Management (CC&L)
73
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.4M +$1.24M +74,535 New
Swiss National Bank
74
Swiss National Bank
Switzerland
$1.36M – – –
Squarepoint
75
Squarepoint
New York
$1.14M +$384K +23,174 +62%
1 2
3
4 5

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.