Melissa S. Kampmann’s iRhythm Holdings IRTC Stock Holding History

Melissa S. Kampmann’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 Q2	$2.5M	Sell	21,012 -998	-5%	-$116K	1.89%	20
2026 Q1	$2.6M	Sell	22,010 -610	-3%	-$88K	2.08%	19
2025 Q4	$3.7M	Sell	22,620 -1,265	-5%	-$224K	2.74%	16
2025 Q3	$4.11M	Sell	23,885 -665	-3%	-$106K	3%	13
2025 Q2	$3.78M	Sell	24,550 -475	-2%	-$61.4K	2.84%	15
2025 Q1	$2.62M	Buy	25,025 +1,100	+5%	+$117K	2.07%	24
2024 Q4	$2.16M	Sell	23,925 -2,190	-8%	-$172K	1.7%	31
2024 Q3	$1.94M	Hold	26,115	–	–	1.37%	32
2024 Q2	$2.81M	Sell	26,115 -25	-0.1%	-$2.55K	2.05%	26
2024 Q1	$3.03M	Buy	26,140 +3,000	+13%	+$337K	2.18%	25
2023 Q4	$2.48M	Buy	23,140 +750	+3%	+$65.4K	2.12%	25
2023 Q3	$2.11M	Buy	+22,390	New	+$2.28M	2.04%	27

Other funds holding IRTC

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

CWG

C WorldWide Group Copenhagen, Denmark $4.15B AUM 13.14% 1-Year Est. Return

PCM

Peregrine Capital Management Minneapolis, Minnesota $3.08B AUM 29.51% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

HealthInvest Partners Stockholm, Sweden $372M AUM 59.89% 1-Year Est. Return

Melissa S. Kampmann's IRTC Position: Q2 2026 in Review

Melissa S. Kampmann reduced its iRhythm Holdings (IRTC) stake by 4.5% in Q2 2026, selling an estimated $116K and leaving 21,012 shares worth $2.5M. The position accounts for 1.89% of the portfolio, ranked #20.

Melissa S. Kampmann first reported a position in IRTC in Q3 2023 and has held it in 12 quarters since. The position peaked at $4.11M in Q3 2025. 92 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

Melissa S. Kampmann held 21,012 shares of iRhythm Holdings worth $2.5M as of Q2 2026.
Melissa S. Kampmann sold 998 iRhythm Holdings shares in Q2 2026, an estimated $116K.
iRhythm Holdings made up 1.89% of Melissa S. Kampmann's portfolio in Q2 2026, its #20 holding.
Melissa S. Kampmann first reported a position in iRhythm Holdings in Q3 2023 and has held it in 12 quarters since.
Melissa S. Kampmann's iRhythm Holdings position peaked at $4.11M in Q3 2025.
92 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Melissa S. Kampmann's 13F filing for Q2 2026, filed 29 Jul 2026.