13F

Stock

Irhythm Technologies Inc

Ticker not mapped · held by 52 managers

Reported value

$644.9M

Holders

52

+18 new · −13 exited

Holders’ est. mark

−$100.3M

Price effect on 34 books still in the name

Largest holder

$93.2M

TENOR CAPITAL MANAGEMENT Co., L.P.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
TENOR CAPITAL MANAGEMENT Co., L.P.85M$93.2M−$21.2MCut−$3.12M
BlackRock, Inc.57.3M$62.5M−$14.4MCut−$3.61M
WOLVERINE ASSET MANAGEMENT LLC47M$51.5M−$14.3MCut−$14.3M
STEELHEAD PARTNERS LLC36.1M$39.7MNew
Opti Capital Management, LP35M$38.5MNew
DeepCurrents Investment Group LLC34.5M$37.9M−$8.28MCut−$596.4K
Point72 Asset Management, L.P.33M$36.3MNew
MACKAY SHIELDS LLC32.6M$35.8M−$9.92MCut−$9.99M
LMR Partners LLP30M$32.9MNew
TUDOR INVESTMENT CORP ET AL20M$22M−$6.04MCut−$6.04M
Alberta Investment Management Corp20M$22M−$6.03MCut−$6.03M
Jain Global LLC15M$16.5MNew
State Street13.7M$15M−$4.05MCut−$3.82M
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND13M$14.2M−$3.95MCut−$6.75M
MILLENNIUM MANAGEMENT LLC11M$12.1MNew
Boussard & Gavaudan Investment Management LLP11K$12MNew
JPMORGAN CHASE & CO10.3M$11.2M$436.5KAdded$6.76M
READYSTATE ASSET MANAGEMENT LP10M$11M−$3.04MCut−$14.2M
AMERIPRISE FINANCIAL INC8.9M$9.71M−$1.82MAdded$1.34M
Fidelity7.68M$8.38M−$2.33MCut−$2.33M
Lombard Odier Asset Management (Europe) Ltd5.83M$6.4MNew
CITIGROUP INC5.1M$5.56M−$421.6KAdded$3.63M
Calamos Advisors LLC5M$5.49M−$1.51MCut−$1.62M
SSI INVESTMENT MANAGEMENT LLC4.64M$5.06M−$1.41MCut−$1.42M
Linden Advisors LP4.09M$4.48M−$1.24MCut−$29.2M
SHENKMAN CAPITAL MANAGEMENT INC4M$4.46MNew
GOLDMAN SACHS GROUP INC3.95M$4.31M−$440.8KAdded$2.29M
Invesco Ltd.3.48M$3.79M−$1.06MCut−$1.06M
Balyasny Asset Management L.P.3M$3.29MNew
STATE OF WISCONSIN INVESTMENT BOARD3M$3.27M−$912KCut−$912K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2.5M$2.74M$2.73MAdded$2.73M
Jefferies Financial Group Inc.2.21M$2.43M−$665.4KCut−$694.8K
Warberg Asset Management LLC2M$2.19MNew
RWC Asset Management LLP1.47M$1.62MNew
Man Group plc1.48M$1.62MNew
JANE STREET GROUP, LLC1.4M$1.54MNew
OAKTREE CAPITAL MANAGEMENT LP1.35M$1.48MNew
WELLS FARGO & COMPANY/MN607K$666.1K$69.3KAdded$70.4K
Kohlberg Kravis Roberts & Co. L.P.450K$493.2K−$136.8KCut−$136.8K
Zurcher Kantonalbank (Zurich Cantonalbank)400K$440.4K−$118.6KCut−$118.6K
MORGAN STANLEY312K$340.4K−$94.8KCut−$2.1M
SEI INVESTMENTS CO269K$293.5K−$81.8KCut−$81.8K
Central Pacific Bank - Trust Division249K$271.7K−$75.7KCut−$75.7K
Bank of New York Mellon Corp200K$219.5K$22.9KAdded$22.9K
OPPENHEIMER ASSET MANAGEMENT INC.70K$76.4K−$21.3KCut−$22.7K
VIRTUS ADVISERS, LLC41K$44.7K−$12.5KCut−$12.5K
CSS LLC/IL23K$25.2KNew
STEPHENS INC /AR/21K$22.9K−$6.38KCut−$6.38K
UBS Group AG17K$18.5KNew
Balboa Wealth Partners11K$12K−$3.2KCut−$3.2K
ROYAL BANK OF CANADA3K$3KNew
Alken Asset Management Ltd1.9K$2.06K−$572Cut−$572

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.