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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
158
Holders Change
+15
Holders Change %
+10.49%
% of All Funds
2.12%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
33
Increased
59
Reduced
38
Closed
17
Calls
$908K
Puts
$66K
Net Calls
+$842K
Net Calls Change
+$96K

Top Buyers

1
FLAM
First Light Asset Management
Minnesota
+$7.67M
2
DSCM
Divisadero Street Capital Management
Florida
+$4.65M
3
American Century Companies
American Century Companies
Missouri
+$4.26M
4
Millennium Management
Millennium Management
New York
+$3.7M
5
Victory Capital Management
Victory Capital Management
Texas
+$3.62M

Top Sellers

1
KLP
Kent Lake PR
Puerto Rico
-$9.55M
2
Brown Advisory
Brown Advisory
Maryland
-$7.31M
3
SAM
Silvercrest Asset Management
New York
-$5.33M
4
HCA
Harbor Capital Advisors
Illinois
-$4.98M
5
JFG
Jefferies Financial Group
New York
-$3.51M
Name Holding Trade Value Shares
Change 		Change in
Stake
FFA
151
Farther Finance Advisors
California
$379 – – –
PA
152
Parallel Advisors
California
$379 +$323 +20 +286%
SC
153
Stephens Consulting
Michigan
$351 +$403 +25 New
CCM
154
Coldstream Capital Management
Washington
$337 +$387 +24 New
SAM
155
Smartleaf Asset Management
Massachusetts
$154 – – –
LC
156
Lindbrook Capital
California
$140 +$161 +10 New
TWD
157
True Wealth Design
Ohio
$113 +$129 +8 New
JFG
158
Jefferies Financial Group
New York
– -$3.51M -250,050 Closed
PTC
159
Petrus Trust Company
Texas
– -$424K -30,261 Closed
HSBC Holdings
160
HSBC Holdings
United Kingdom
– -$294K -20,714 Closed
VIA
161
Virtus Investment Advisers
Connecticut
– -$196K -13,950 Closed
NRD
162
Nebula Research & Development
New York
– -$190K -13,518 Closed
VI
163
Versor Investments
New York
– -$185K -13,200 Closed
XT
164
XTX Topco
Cayman Islands
– -$171K -12,200 Closed
ProShare Advisors
165
ProShare Advisors
Maryland
– -$163K -11,599 Closed
RS
166
R Squared
Hong Kong
– -$72.6K -5,180 Closed
MCM
167
Mainstream Capital Management
California
– -$53.3K -3,804 Closed
NCGI
168
Next Century Growth Investors
Minnesota
– -$18.2K -1,295 Closed
Simplex Trading
169
Simplex Trading
Illinois
– -$14.4K -895 Closed
AIM
170
Arcadia Investment Management
Michigan
– -$9.65K -688 Closed
CAS
171
Coppell Advisory Solutions
Texas
– -$6.95K -507 Closed
RA
172
RiverPark Advisors
New York
– -$86.9K -82 Closed
S
173
SignatureFD
Georgia
– -$897 -64 Closed
US Bancorp
174
US Bancorp
Minnesota
– -$351 -25 Closed
3 4 5 6
7

SIBN Hedge Fund Activity: Q1 2025 in Review

158 of the 7,457 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.