Natixis’s iRhythm Holdings IRTC Stock Holding History

Natixis’s Portfolio IRTC Stock Details IRTC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$989K	Buy	+8,700	New	+$1.03M	﹤0.01%	727
2025 Q3	–	Sell	-23,500	Closed	-$3.62M	–	1140
2025 Q2	$3.62M	Buy	23,500 +17,500	+292%	+$2.26M	0.02%	398
2025 Q1	$617K	Hold	6,000	–	–	﹤0.01%	631
2024 Q4	$541K	Buy	+6,000	New	+$471K	﹤0.01%	688
2023 Q4	–	Sell	-1,500	Closed	-$141K	–	1101
2023 Q3	$141K	Buy	+1,500	New	+$153K	﹤0.01%	752
2022 Q3	–	Sell	-35,400	Closed	-$3.82M	–	1120
2022 Q2	$3.82M	Buy	35,400 +31,243	+752%	+$4.14M	0.01%	512
2022 Q1	$655K	Hold	4,157	–	–	﹤0.01%	939
2021 Q4	$489K	Buy	+4,157	New	+$381K	﹤0.01%	1040
2021 Q1	–	Sell	-7,452	Closed	-$1.77M	–	1127
2020 Q4	$1.77M	Sell	7,452 -288	-4%	-$65.6K	0.01%	704
2020 Q3	$1.84M	Buy	+7,740	New	+$1.37M	0.01%	431

Other funds holding IRTC

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return

Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return

TimesSquare Capital Management New York $6.12B AUM 30.01% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

M&G plc London, United Kingdom $19.9B AUM 15.09% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return

Natixis's IRTC Position: Q3 2026 in Review

Natixis opened a new position in iRhythm Holdings (IRTC) in Q3 2026: 8,700 shares worth $989K. The stake represents ﹤0.01% of the portfolio and ranks #727 among its holdings. This is a return to the name: Natixis previously reported a position in IRTC as recently as Q2 2025.

Natixis first reported a position in IRTC in Q3 2020 and has held it in 10 quarters since. The position peaked at $3.82M in Q2 2022. 122 funds tracked by Wall St. Rank hold IRTC as of Q3 2026.

Natixis held 8,700 shares of iRhythm Holdings worth $989K as of Q3 2026.
iRhythm Holdings was a new Natixis position in Q3 2026.
iRhythm Holdings made up ﹤0.01% of Natixis's portfolio in Q3 2026, its #727 holding.
Natixis first reported a position in iRhythm Holdings in Q3 2020 and has held it in 10 quarters since.
Natixis's iRhythm Holdings position peaked at $3.82M in Q2 2022.
122 funds tracked by Wall St. Rank held iRhythm Holdings as of Q3 2026.

Based on Natixis's 13F filing for Q3 2026, filed 6 Nov 2026.