SI-BONE Inc
SIBN
122 hedge funds and large institutions have $668M invested in SI-BONE Inc in 2021 Q3 according to their latest regulatory filings, with 14 funds opening new positions, 63 increasing their positions, 33 reducing their positions, and 26 closing their positions.
116% more call options, than puts
Call options by funds: $2.87M | Put options by funds: $1.33M
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
91% more repeat investments, than reductions
Existing positions increased: 63 | Existing positions reduced: 33
0.54% more ownership
Funds ownership: 93.16% → 93.7% (+0.54%)
9% less funds holding
Funds holding: 134 → 122 (-12)
31% less capital invested
Capital invested by funds: $962M → $668M (-$294M)
46% less first-time investments, than exits
New positions opened: 14 | Existing positions closed: 26
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$34.3M |
| 2 |
Brown Advisory
Baltimore,
Maryland
|
+$24.6M |
| 3 |
O
OrbiMed
New York
|
+$23.9M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
+$19.3M |
| 5 |
KCM
Kennedy Capital Management
St Louis,
Missouri
|
+$11.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
-$36.6M |
| 2 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$36M |
| 3 |
NCGI
Next Century Growth Investors
Plymouth,
Minnesota
|
-$16.8M |
| 4 |
Principal Financial Group
Des Moines,
Iowa
|
-$13.1M |
| 5 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$13M |
SIBN Hedge Fund Activity: Q3 2021 in Review
122 of the 5,728 institutional investors tracked by Wall St. Rank reported a position in SI-BONE Inc (SIBN) for Q3 2021, worth a combined $668M — down 31% from $962M a quarter earlier.
Sellers outnumbered buyers: 26 funds closed out of SIBN and 14 opened new positions — a net loss of 12 holders — while 33 trimmed existing stakes and 63 added.
The largest buyer was Millennium Management, adding an estimated $34.3M. The largest seller was Loomis, Sayles & Company, exiting entirely with an estimated $36.6M sold.
- 122 institutional investors held SI-BONE Inc (SIBN) as of Q3 2021, down from 134 in Q2 2021.
- Funds reported $668M of SI-BONE Inc stock for Q3 2021, down 31% quarter-over-quarter.
- 14 funds opened new SI-BONE Inc positions in Q3 2021 and 26 closed out, a net change of -12 holders.
- The largest SI-BONE Inc buyer in Q3 2021 was Millennium Management, an estimated $34.3M added.
- The largest SI-BONE Inc seller in Q3 2021 was Loomis, Sayles & Company, an estimated $36.6M sold.
Based on aggregated 13F filings for Q3 2021.