iRhythm Holdings, Inc.

IRTC

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001388658

SEC filings (opens in a new tab)

In the last 90 days, iRhythm Holdings, Inc. insiders filed 0 open-market purchases and 11 sales; 304 institutions reported holding it in 13F filings for Q2 2026, worth $4.24B in total; no superinvestor holds it.

Q4 2024 vs. Q3 2024

How the institutions holding iRhythm Holdings, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024 All holders in Q3 2024

13F holders of IRTC: Q3 2024 compared with Q4 2024
Measure	Q3 2024	Of which not filed for Q4 2024	Q4 2024	Change
Holders	242	4	227	−11
Shares	34.3M	124.9K	34.3M	+151.6K (+0.4%)
Value	$2.55B	$10.5M	$3.09B	+$559.1M (+22.0%)

4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (41)

Institutions that held iRhythm Holdings, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to IRTC in Q4 2024
Institution	Shares	Value	% of portfolio
First Light Asset Management, LLC	430,500	$38.8M	3.71%
Ophir Asset Management Pty Ltd	427,402	$38.5M	5.74%
Deerfield Management Company, L.P. (Series C)	156,012	$14.1M	0.27%
Raymond James Financial Inc	101,487	$9.15M	0.00%
Adage Capital Partners GP, L.L.C.	100,000	$9.02M	0.02%
Susquehanna Fundamental Investments, LLC	41,864	$3.77M	0.06%
Group One Trading, L.P.	20,370	$1.84M	0.06%
Freestone Grove Partners LP	16,712	$1.51M	0.02%
Bryce Point Capital, LLC	14,093	$1.27M	0.37%
Monimus Capital Management, LP	11,659	$1.05M	0.99%
AQR Capital Management LLC	8,280	$746.6K	0.00%
Cinctive Capital Management LP	8,141	$734.1K	0.04%
Wetherby Asset Management Inc	6,737	$607.5K	0.03%
Police & Firemen's Retirement System of New Jersey	6,716	$605.6K	0.01%
KLP Kapitalforvaltning AS	6,600	$595.1K	0.00%
Schonfeld Strategic Advisors LLC	6,138	$553.5K	0.00%
Natixis	6,000	$541.0K	0.00%
Nomura Holdings Inc	5,413	$488.1K	0.00%
Farringdon Capital, Ltd.	4,721	$425.7K	0.18%
Creative Planning	4,079	$367.8K	0.00%
Captrust Financial Advisors	3,888	$350.6K	0.00%
Brown Advisory Inc	3,280	$295.8K	0.00%
CIBC World Markets Corp	2,925	$263.7K	0.00%
Versor Investments LP	2,780	$250.7K	0.04%
LPL Financial LLC	2,691	$242.6K	0.00%
Gsa Capital Partners LLP	2,397	$216.0K	0.02%
Xponance, Inc.	2,253	$203.2K	0.00%
Bayforest Capital Ltd	1,664	$150.0K	0.19%
Richards, Merrill & Peterson, Inc.	1,025	$92.4K	0.05%
Raiffeisen Bank International AG	680	$59.7K	0.00%
R Squared Ltd	500	$45.1K	0.04%
Evelyn Partners Investment Management LLP	245	$22.1K	0.00%
STRS Ohio	200	$18.0K	0.00%
North Star Investment Management Corp.	170	$15.3K	0.00%
Versant Capital Management, Inc	65	$5.86K	0.00%
Carolinas Wealth Consulting LLC	16	$1.41K	0.00%
CVA Family Office, LLC	10	$902	0.00%
Larson Financial Group LLC	4	$361	0.00%
Aster Capital Management (DIFC) Ltd	2	$180	0.00%
Global Retirement Partners, LLC	1	$90	0.00%
SBI Securities Co., Ltd.	1	$90	0.00%

Sold out (52)

Institutions that held iRhythm Holdings, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of IRTC in Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Fiera Capital Corp	381,644	$28.3M
Point72 Asset Management, L.P.	272,082	$20.2M
Loomis Sayles & Co L P	118,502	$8.80M
Neuberger Berman Group LLC	101,180	$7.51M
Cubist Systematic Strategies, LLC	88,863	$6.60M
Marshall Wace, LLP	86,763	$6.44M
Altium Capital Management LP	86,000	$6.38M
Gilder Gagnon Howe & Co LLC	80,759	$6.00M
Western Standard LLC	61,082	$4.53M
Jump Financial, LLC	44,928	$3.34M
Susquehanna Portfolio Strategies, LLC	36,499	$2.71M
Twinbeech Capital LP	24,281	$1.80M
Dynamic Technology Lab Private Ltd	20,173	$1.50M
First Trust Advisors LP	19,809	$1.47M
GTS Securities LLC	19,336	$1.44M
D. E. Shaw & Co., Inc.	12,853	$954.2K
Verition Fund Management LLC	12,126	$900.2K
Trexquant Investment LP	11,683	$867.3K
Boothbay Fund Management, LLC	10,254	$761.3K
Brinker Capital Investments, LLC	9,282	$689.1K
Orion Portfolio Solutions, LLC	9,282	$689.1K
Steel Peak Wealth Management LLC	7,971	$591.8K
Stifel Financial Corp	7,836	$581.7K
DRW Securities, LLC	7,720	$573.1K
Walleye Trading LLC	7,115	$528.2K
Wolverine Trading, LLC	7,238	$527.4K
Seven Eight Capital, LP	6,720	$498.9K
FourWorld Capital Management LLC	5,750	$426.9K
CI Private Wealth, LLC	5,344	$396.7K
Point72 (DIFC) Ltd	4,852	$360.2K
Brevan Howard Capital Management LP	4,181	$310.4K
Snowden Capital Advisors LLC	3,840	$285.1K
Bridgefront Capital, LLC	3,689	$273.9K
Petrus Trust Company, LTA	3,655	$271.3K
Aigen Investment Management, LP	3,276	$243.2K
Headlands Technologies LLC	2,991	$222.1K
Two Sigma Securities, LLC	2,868	$212.9K
Beacon Investment Advisory Services, Inc.	2,807	$208.4K
Acadian Asset Management LLC	2,041	$151.0K
nVerses Capital, LLC	2,000	$148.5K
Walleye Capital LLC	1,676	$124.4K
Quent Capital, LLC	1,500	$111.4K
Canada Pension Plan Investment Board	1,200	$89.1K
Quarry LP	799	$59.3K
Northwestern Mutual Wealth Management Co	685	$50.9K
Point72 Asia (Singapore) Pte. Ltd.	411	$30.5K
First Horizon Advisors, Inc.	259	$19.2K
Frazier Financial Advisors, LLC	76	$5.64K
Bokf, NA	36	$2.39K
Principal Securities, Inc.	31	$2.30K
Park Place Capital Corp	12	$891
Quest Partners LLC	7	$520

Not filed for Q4 2024 yet (4)

Institutions that held iRhythm Holdings, Inc. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRTC in Q3 2024 that haven't filed for Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Eagle Asset Management Inc	100,655	$8.70M
B. Metzler seel. Sohn & Co. Holding AG	20,500	$1.52M
Brophy Wealth Management, LLC	3,695	$274.3K
FinTrust Capital Advisors, LLC	26	$1.93K