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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
Canada Life
126
Canada Life
Manitoba, Canada
$54K – – –
CIBC Private Wealth Group
127
CIBC Private Wealth Group
Georgia
$48.3K +$1.61K +100 +3%
Group One Trading
128
Group One Trading
Illinois
$46.4K +$53.4K +3,307 New
LFG
129
Larson Financial Group
Missouri
$35.1K – – –
Fidelity Investments
130
Fidelity Investments
Massachusetts
$34.8K +$9.29K +576 +30%
AP
131
Antipodes Partners
Australia
$33.6K +$38.6K +2,394 New
Amundi
132
Amundi
France
$30.2K -$178 -11 -0.5%
TRCT
133
Tower Research Capital (TRC)
New York
$23K -$31.7K -1,966 -55%
Osaic Holdings
134
Osaic Holdings
Arizona
$21K +$7.97K +494 +49%
AB
135
Amalgamated Bank
New York
$19K – – –
QL
136
Quarry LP
New York
$10.7K +$2.32K +144 +23%
VCM
137
Versant Capital Management
Arizona
$8.24K – – –
Carson Wealth (CWM LLC)
138
Carson Wealth (CWM LLC)
Nebraska
$8K +$5.07K +314 +131%
GFPC
139
Global Financial Private Client
Florida
$5.75K +$6.62K +410 New
PNC Financial Services Group
140
PNC Financial Services Group
Pennsylvania
$4.18K -$10.2K -630 -68%
GI
141
GAMMA Investing
California
$3.89K +$4.16K +258 +1,358%
Comerica Bank
142
Comerica Bank
Texas
$3.69K -$31.6K -1,956 -88%
CIAM
143
Caitong International Asset Management
Hong Kong
$3.45K +$3.97K +246 New
SS
144
SBI Securities
Japan
$2.85K +$500 +31 +18%
ACM
145
Aster Capital Management
United Arab Emirates
$2.43K +$2.16K +134 New
Nisa Investment Advisors
146
Nisa Investment Advisors
Missouri
$2.41K +$1.02K +63 +58%
AAP
147
Arax Advisory Partners
Colorado
$1.67K – – –
WSFS
148
Wilmington Savings Fund Society
Delaware
$1.56K +$403 +25 +29%
RIL
149
Rothschild Investment LLC
Illinois
$1.47K +$1.21K +75 +250%
EWA
150
EverSource Wealth Advisors
Alabama
$1.14K +$952 +59 +268%
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.