SI BONE INC

$SIBN
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Smart money positioned

9 of the Top-200 alpha managers hold $SIBN as of the latest 13F snapshot.

13F holders
174
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

9 holders · Q1 2026

$SIBN is held by 9 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.03%, with an average of 0.01% of portfolio. Largest holder: Caption Management, LLC at 0.03%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
Caption Management, LLC
0.03% held
α +15.5pts
02
ADAR1 Capital Management, LLC
0.01% held
α +74.0pts
03
Wellington Management Group LLP
0.00% held
α +10.5pts
04
ANTIPODES PARTNERS Ltd
0.00% held
α +10.8pts
05
Citigroup Inc.
0.00% held
α +26.3pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 174 · Source: 13F-HR
01
Hartree Partners, LP
6.06% of portfolio
5,353,190 sh
02
Massachusetts Institute of Technology
0.02% of portfolio
2,509,065 sh
03
Equitable Holdings, Inc.
0.05% of portfolio
2,122,332 sh
04
Hillman Co.
0.54% of portfolio
2,013,000 sh
05
Standard General L.P.
2.90% of portfolio
1,887,472 sh
06
Cantor Fitzgerald, L. P.
1.06% of portfolio
1,739,097 sh
07
Northeast Financial Consultants Inc
0.01% of portfolio
1,680,692 sh
08
AltraVue Capital, LLC
0.13% of portfolio
1,425,010 sh
09
Spectrum Asset Management, Inc.
0.01% of portfolio
1,277,394 sh
10
Balyasny Asset Management L.p.
0.11% of portfolio
1,244,584 sh
See all 174 13F holders · Pro →

Insider activity · last 90 days

50 transactions · 5 filers
02 Feb 2026
Dunn Jeffrey W —
▼ SOLD
337
$16.42
S
08 Jan 2026
Dunn Jeffrey W —
▼ SOLD
20,000
$21.28
S
02 Jan 2026
Maheshwari Anshul —
▼ SOLD
1,552
$19.63
S
02 Jan 2026
Maheshwari Anshul —
▼ SOLD
1,729
$19.67
S
02 Jan 2026
Maheshwari Anshul —
▼ SOLD
1,948
$19.63
S
02 Jan 2026
Pisetsky Michael A —
▼ SOLD
1,986
$19.58
S
02 Jan 2026
Pisetsky Michael A —
▼ SOLD
1,436
$19.68
S
02 Jan 2026
Pisetsky Michael A —
▼ SOLD
38
$19.75
S
02 Jan 2026
Recupero Anthony J —
▼ SOLD
1,729
$19.64
S
02 Jan 2026
Recupero Anthony J —
▼ SOLD
1,948
$19.61
S
18 Dec 2025
Maheshwari Anshul —
▼ SOLD
18,542
$20.15
S
18 Dec 2025
Pisetsky Michael A —
▼ SOLD
19,600
$20.15
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $SIBN in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 10:24 UTC.