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SI-BONE Inc
SIBN

115 hedge funds and large institutions have $719M invested in SI-BONE Inc in 2021 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 49 increasing their positions, 33 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

296% more call options, than puts

Call options by funds: $3.66M | Put options by funds: $924K

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

48% more repeat investments, than reductions

Existing positions increased: 49 | Existing positions reduced: 33

8% more capital invested

Capital invested by funds: $666M → $719M (+$53M)

3.05% more ownership

Funds ownership: 93.7% → 96.75% (+3.1%)

6% less funds holding

Funds holding: 122 → 115 (-7)

30% less first-time investments, than exits

New positions opened: 16 | Existing positions closed: 23

Holders
115
Holders Change
-7
Holders Change %
-5.74%
% of All Funds
1.77%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.05%
New
16
Increased
49
Reduced
33
Closed
23
Calls
$3.66M
Puts
$924K
Net Calls
+$2.73M
Net Calls Change
+$1.19M

Top Buyers

Rank Fund Capital Flow
1
CIP
Champlain Investment Partners
Vermont
+$42.4M
2
Brown Advisory
Brown Advisory
Maryland
+$17.8M
3
NCGI
Next Century Growth Investors
Minnesota
+$8.21M
4
GIM
Granahan Investment Management
Massachusetts
+$7.46M
5
BlackRock
BlackRock
New York
+$6.55M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$21.4M
2
GGHC
Gilder Gagnon Howe & Co
New York
-$16.7M
3
Wells Fargo
Wells Fargo
California
-$16.5M
4
Macquarie Group
Macquarie Group
Australia
-$14.6M
5
AC
Armistice Capital
New York
-$12.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
Man Group
51
Man Group
United Kingdom
$1.44M +$24.5K +1,138 +2%
PCM
52
Prelude Capital Management
New York
$1.34M +$258K +12,000 +25%
Swiss National Bank
53
Swiss National Bank
Switzerland
$1.29M – – –
Bank of America
54
Bank of America
North Carolina
$1.25M +$36K +1,674 +3%
Goldman Sachs
55
Goldman Sachs
New York
$1.23M -$907K -42,117 -43%
XWM
56
Xcel Wealth Management
Florida
$1.21M +$325K +15,075 +38%
Squarepoint
57
Squarepoint
New York
$1.06M -$457K -21,250 -31%
PCM
58
Pentwater Capital Management
Florida
$1.02M – – –
Principal Financial Group
59
Principal Financial Group
Iowa
$992K -$40.1K -1,865 -4%
Select Equity Group
60
Select Equity Group
New York
$934K +$37.2K +1,727 +4%
Barclays
61
Barclays
United Kingdom
$922K +$530K +24,616 +146%
California State Teachers Retirement System (CalSTRS)
62
California State Teachers Retirement System (CalSTRS)
California
$897K +$34K +1,580 +4%
PI
63
PFS Investments
Georgia
$877K +$147K +6,817 +21%
AG
64
Algert Global
California
$826K +$136K +6,330 +21%
Assenagon Asset Management
65
Assenagon Asset Management
Luxembourg
$809K +$784K +36,422 New
BA
66
Bridgewater Associates
Connecticut
$757K -$25.7K -1,194 -3%
Two Sigma Advisers
67
Two Sigma Advisers
New York
$669K -$3.15M -146,500 -83%
RMC
68
Regis Management Company
California
$666K – – –
RhumbLine Advisers
69
RhumbLine Advisers
Massachusetts
$661K -$9.88K -459 -2%
APP
70
Alpha Paradigm Partners
Illinois
$627K +$607K +28,211 New
AllianceBernstein
71
AllianceBernstein
Tennessee
$597K -$86.1K -4,000 -13%
CSS
72
Cubist Systematic Strategies
Connecticut
$594K -$439K -20,413 -43%
VOYA Investment Management
73
VOYA Investment Management
Georgia
$587K +$109K +5,055 +24%
Commonwealth Equity Services
74
Commonwealth Equity Services
Massachusetts
$586K – – –
MCM
75
Manchester Capital Management
Vermont
$558K – – –
1 2
3
4 5

SIBN Hedge Fund Activity: Q4 2021 in Review

115 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in SI-BONE Inc (SIBN) for Q4 2021, worth a combined $719M — up 8% from $666M a quarter earlier.

Sellers outnumbered buyers: 23 funds closed out of SIBN and 16 opened new positions — a net loss of 7 holders — while 33 trimmed existing stakes and 49 added.

The largest buyer was Champlain Investment Partners, opening a new position worth an estimated $42.4M. The largest seller was Millennium Management, cutting an estimated $21.4M.

  • 115 institutional investors held SI-BONE Inc (SIBN) as of Q4 2021, down from 122 in Q3 2021.
  • Funds reported $719M of SI-BONE Inc stock for Q4 2021, up 8% quarter-over-quarter.
  • 16 funds opened new SI-BONE Inc positions in Q4 2021 and 23 closed out, a net change of -7 holders.
  • The largest SI-BONE Inc buyer in Q4 2021 was Champlain Investment Partners, an estimated $42.4M added.
  • The largest SI-BONE Inc seller in Q4 2021 was Millennium Management, an estimated $21.4M sold.

Based on aggregated 13F filings for Q4 2021.