Stock Ownership/SIBN

SI BONE INC (SIBN): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in SIBN · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
13
13F filers
Aggregate Value
$57.2M
Across holders
Last Price
$19.47
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity8 increased5 reduced5 exited
Full exits: CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP, Qube Research & Technologies Ltd, Man Group plc, Brevan Howard Capital Management LP
Institutional Holders of SIBN
↗
13 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund790K$12.9M22.5%0.0%Reduced$-816KQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager769K$12.5M21.9%0.0%Added$-8.3MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund690K$11.3M19.7%0.0%Added+$364KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund364K$5.9M10.4%0.0%Reduced$-82KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund254K$4.1M7.2%0.0%Added+$4.1MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund186K$3.0M5.3%0.0%Reduced$-52KQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund131K$2.1M3.7%0.0%Added+$21KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund118K$1.9M3.4%0.0%Added+$554KQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund100K$1.6M2.9%0.0%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund44K$720K1.3%0.0%Reduced$-7.0MQ2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$12.9M· 22.5% of total· 0.0% port· 790K sh· $-816K QoQ· Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$12.5M· 21.9% of total· 0.0% port· 769K sh· $-8.3M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$11.3M· 19.7% of total· 0.0% port· 690K sh· +$364K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$5.9M· 10.4% of total· 0.0% port· 364K sh· $-82K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$4.1M· 7.2% of total· 0.0% port· 254K sh· +$4.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$3.0M· 5.3% of total· 0.0% port· 186K sh· $-52K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$2.1M· 3.7% of total· 0.0% port· 131K sh· +$21K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$1.9M· 3.4% of total· 0.0% port· 118K sh· +$554K QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$1.6M· 2.9% of total· 0.0% port· 100K sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$720K· 1.3% of total· 0.0% port· 44K sh· $-7.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$514K· 0.9% of total· 0.0% port· 32K sh· — QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$453K· 0.8% of total· 0.0% port· 28K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$3K· 0.0% of total· 0.0% port· 165 sh· $-6K QoQ· Q2 2026
1–10 of 13
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