13F Filings/IRTC

IRHYTHM HOLDINGS INC (IRTC): Institutional Ownership

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

Reported Holders
20
13F filers
Aggregate Value
$600.4M
Across holders
Last Price
$118.89
2026-06-26
Sector
Health Care
GICS
Holder activity8 new7 added4 reduced
Institutional Holders of IRTC
↗
20 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
SANDS CAPITAL MANAGEMENT, LLC
CIK 0001020066
Institutional Manager1.70M$301.6M50.2%0.9%New—Q4 2025
Holocene Advisors, LP
CIK 0001700574
Hedge Fund1.25M$147.4M24.5%0.4%Added+$66.7MQ1 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund20.00M$27.5M4.6%0.0%New—Q3 2025
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund227K$26.8M4.5%0.0%Added+$9.7MQ1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund194K$22.9M3.8%0.0%Added+$3.2MQ1 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund128K$22.6M3.8%0.1%New—Q4 2025
Man Group plc
CIK 0001637460
Hedge Fund88K$10.4M1.7%0.0%Added+$3.8MQ1 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund88K$10.4M1.7%0.1%Added+$9.1MQ1 2026
STEADFAST CAPITAL MANAGEMENT LP
CIK 0001214822
Hedge Fund41K$7.3M1.2%0.1%New—Q4 2025
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund54K$6.3M1.1%0.0%Reduced$-5.9MQ1 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund53K$6.2M1.0%0.0%New—Q1 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund35K$4.1M0.7%0.0%Added+$1.8MQ1 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund11K$2.0M0.3%0.0%New—Q4 2025
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund17K$2.0M0.3%0.0%Added+$1.4MQ1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund8K$978K0.2%0.0%Reduced$-13.8MQ1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund6K$673K0.1%0.0%Reduced$-424KQ1 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund3K$568K0.1%0.0%New—Q4 2025
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund3K$381K0.1%0.0%Unchanged+$0Q1 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund2K$358K0.1%0.0%New—Q4 2025
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund4$4720.0%0.0%Reduced$-12KQ1 2026
SANDS CAPITAL MANAGEMENT, LLCNew
Institutional Manager
$301.6M· 50.2% of total· 0.9% port· 1.70M sh· — QoQ· Q4 2025
Holocene Advisors, LPAdded
Hedge Fund
$147.4M· 24.5% of total· 0.4% port· 1.25M sh· +$66.7M QoQ· Q1 2026
TUDOR INVESTMENT CORP ET ALNew
Hedge Fund
$27.5M· 4.6% of total· 0.0% port· 20.00M sh· — QoQ· Q3 2025
Qube Research & Technologies LtdAdded
Hedge Fund
$26.8M· 4.5% of total· 0.0% port· 227K sh· +$9.7M QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$22.9M· 3.8% of total· 0.0% port· 194K sh· +$3.2M QoQ· Q1 2026
Walleye Capital LLCNew
Hedge Fund
$22.6M· 3.8% of total· 0.1% port· 128K sh· — QoQ· Q4 2025
Man Group plcAdded
Hedge Fund
$10.4M· 1.7% of total· 0.0% port· 88K sh· +$3.8M QoQ· Q1 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$10.4M· 1.7% of total· 0.1% port· 88K sh· +$9.1M QoQ· Q1 2026
STEADFAST CAPITAL MANAGEMENT LPNew
Hedge Fund
$7.3M· 1.2% of total· 0.1% port· 41K sh· — QoQ· Q4 2025
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$6.3M· 1.1% of total· 0.0% port· 54K sh· $-5.9M QoQ· Q1 2026
TWO SIGMA INVESTMENTS, LPNew
Hedge Fund
$6.2M· 1.0% of total· 0.0% port· 53K sh· — QoQ· Q1 2026
Verition Fund Management LLCAdded
Hedge Fund
$4.1M· 0.7% of total· 0.0% port· 35K sh· +$1.8M QoQ· Q1 2026
Bridgewater Associates, LPNew
Hedge Fund
$2.0M· 0.3% of total· 0.0% port· 11K sh· — QoQ· Q4 2025
Brevan Howard Capital Management LPAdded
Hedge Fund
$2.0M· 0.3% of total· 0.0% port· 17K sh· +$1.4M QoQ· Q1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$978K· 0.2% of total· 0.0% port· 8K sh· $-13.8M QoQ· Q1 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$673K· 0.1% of total· 0.0% port· 6K sh· $-424K QoQ· Q1 2026
MARSHALL WACE, LLPNew
Hedge Fund
$568K· 0.1% of total· 0.0% port· 3K sh· — QoQ· Q4 2025
Ancora Advisors, LLCUnchanged
Hedge Fund
$381K· 0.1% of total· 0.0% port· 3K sh· +$0 QoQ· Q1 2026
Gotham Asset Management, LLCNew
Hedge Fund
$358K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q4 2025
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$472· 0.0% of total· 0.0% port· 4 sh· $-12K QoQ· Q1 2026
← All 13F filings