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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
Citigroup
76
Citigroup
New York
$469K -$25.3K -1,570 -4%
T. Rowe Price Associates
77
T. Rowe Price Associates
Maryland
$459K +$15.6K +969 +3%
Deutsche Bank
78
Deutsche Bank
Germany
$457K -$59.5K -3,685 -10%
GCM
79
Graham Capital Management
Connecticut
$451K -$54.3K -3,362 -9%
AQR Capital Management
80
AQR Capital Management
Connecticut
$442K +$4K +248 +0.8%
Invesco
81
Invesco
Georgia
$441K +$230K +14,245 +83%
Balyasny Asset Management
82
Balyasny Asset Management
Illinois
$437K +$503K +31,166 New
VOYA Investment Management
83
VOYA Investment Management
Georgia
$432K +$105K +6,526 +27%
ACM
84
Aquatic Capital Management
Illinois
$406K +$271K +16,819 +139%
Ameriprise
85
Ameriprise
Minnesota
$403K +$464K +28,727 New
DT
86
Diversified Trust
Tennessee
$381K – – –
Franklin Resources
87
Franklin Resources
California
$376K +$105K +6,503 +32%
CCIA
88
Campbell & Co Investment Adviser
Maryland
$374K +$44.4K +2,749 +11%
MCM
89
Manchester Capital Management
Vermont
$352K – – –
Mirae Asset Global ETFs Holdings
90
Mirae Asset Global ETFs Holdings
Hong Kong
$343K +$17K +1,053 +5%
MIM
91
MetLife Investment Management
New Jersey
$338K -$53.5K -3,313 -12%
COCM
92
Charter Oak Capital Management
New Hampshire
$337K +$387K +24,003 New
Janus Henderson Group
93
Janus Henderson Group
United Kingdom
$317K – – –
DFCM
94
Dark Forest Capital Management
Puerto Rico
$315K +$362K +22,445 New
Man Group
95
Man Group
United Kingdom
$303K +$98.6K +6,113 +40%
Wells Fargo
96
Wells Fargo
California
$300K +$10.7K +664 +3%
CF
97
Corebridge Financial
Texas
$283K -$4.83K -299 -1%
CC
98
Centiva Capital
New York
$282K +$324K +20,067 New
MF
99
Magnetar Financial
Illinois
$276K +$67.1K +4,161 +27%
IQI
100
Integrated Quantitative Investments
Washington
$271K +$311K +19,300 New
2 3
4
5 6

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.