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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
HWM
101
HighMark Wealth Management
Minnesota
$267K – – –
B
102
Bailard
California
$258K – – –
Tudor Investment Corp
103
Tudor Investment Corp
Connecticut
$242K -$1.16M -71,807 -81%
VEA
104
Virtus ETF Advisers
New York
$241K +$277K +17,184 New
DTL
105
Dynamic Technology Lab
Singapore
$225K +$258K +16,015 New
Mercer Global Advisors
106
Mercer Global Advisors
Colorado
$211K +$226 +14 +0.1%
Manulife (Manufacturers Life Insurance)
107
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$209K -$4.87K -302 -2%
EC
108
EntryPoint Capital
New York
$207K +$42.2K +2,613 +21%
MYIA
109
Mount Yale Investment Advisors
Colorado
$204K +$235K +14,564 New
Zurich Cantonal Bank
110
Zurich Cantonal Bank
Switzerland
$189K – – –
EGM
111
Engineers Gate Manager
New York
$188K +$216K +13,369 New
SG Americas Securities
112
SG Americas Securities
New York
$180K -$116K -7,203 -36%
SPA
113
Sherbrooke Park Advisers
New York
$179K +$205K +12,729 New
GCP
114
GSA Capital Partners
United Kingdom
$178K +$204K +12,669 New
New York State Common Retirement Fund
115
New York State Common Retirement Fund
New York
$170K – – –
YIH
116
Y-Intercept (HK)
Hong Kong
$162K +$186K +11,535 New
QT
117
Quantbot Technologies
New York
$158K +$182K +11,286 New
ASRS
118
Arizona State Retirement System
Arizona
$152K -$1.34K -83 -0.8%
JIC
119
Johnson Investment Counsel
Ohio
$148K +$170K +10,516 New
State Board of Administration of Florida Retirement System
120
State Board of Administration of Florida Retirement System
Florida
$145K – – –
HF
121
HRT Financial
New York
$143K -$27K -1,675 -14%
PFSRSONJ
122
Police & Firemen's Retirement System of New Jersey
New Jersey
$118K – – –
Royal Bank of Canada
123
Royal Bank of Canada
Ontario, Canada
$113K +$87.9K +5,444 +210%
KK
124
KLP Kapitalforvaltning
Norway
$96.8K – – –
AIP
125
Ameritas Investment Partners
Nebraska
$57.8K – – –
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.