RiverPark Advisors, LLC IRTC — IRHYTHM TECHNOLOGIES INC

Ownership history in RiverPark Advisors, LLC  ·  6 quarters on record

AI Ownership Summary

RiverPark Advisors, LLC reported IRHYTHM TECHNOLOGIES INC (IRTC) in 6 quarterly 13F filings from 2025 Q1 through 2026 Q2. Peak portfolio weight reached 0.18% in 2025 Q2. The latest visible filing shows IRTC at 0.07% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this IRTC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was RiverPark Advisors, LLC's position in IRHYTHM TECHNOLOGIES INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

IRTC was reported at 0.07% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.18% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q1 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

IRTC stock page RiverPark Advisors, LLC fund profile RiverPark Advisors, LLC full holdings
How RiverPark Advisors, LLC held IRTC — position size vs. price
% of Fund (quarterly)    IRTC price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 1,335 +148 +12.5% 0.07% $159K 2026-07-24 $109.20
2026 Q1 REDUCED — — — 1,187 -16 -1.3% 0.05% $140K 2026-05-14 $114.16
2025 Q4 REDUCED — — — 1,203 -26 -2.1% 0.06% $213K 2026-02-17 $148.32
2025 Q3 REDUCED 35.9% +3.8% ❌ 1,229 -687 -35.9% 0.09% $211K 2025-11-13 $168.50
2025 Q2 REDUCED 6.1% +10.1% ❌ 1,916 -124 -6.1% 0.18% $295K 2025-08-13 $166.86
2025 Q1 INITIATED — — — 2,040 — — 0.17% $214K 2025-05-12 $137.80

🏢 Other funds also holding IRTC

As of 2026 Q2 — sorted by position size

Atle Fund Management AB 3Y 7Y 1.73% PEREGRINE CAPITAL MANAGEMENT LLC 3Y 7Y 0.29% Harbour Capital Advisors, LLC 3Y 7Y 0.08% Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna 0.07% BANQUE PICTET & CIE SA 3Y 7Y 0.02% Hennion & Walsh Asset Management, Inc. 3Y 0.01% ABN AMRO INVESTMENT SOLUTIONS 0.01% China Universal Asset Management Co., Ltd. 3Y 0.01% Police & Firemen's Retirement System of New Jersey 0.01% Diversified Trust Co 3Y 7Y 0.01%

FAQ About RiverPark Advisors, LLC and IRTC

These are the practical questions this page is built to answer before you even open the full history table.

How long has RiverPark Advisors, LLC reported owning IRTC?

RiverPark Advisors, LLC reported IRTC across 6 quarterly 13F filings, from 2025 Q1 through 2026 Q2.

What was the largest reported IRTC position in RiverPark Advisors, LLC's portfolio?

The largest reported portfolio weight for IRTC was 0.18% in 2025 Q2.

What is the latest reported IRTC position on this page?

The most recent filing on this page is 2026 Q2, when RiverPark Advisors, LLC reported 1,335 shares, equal to 0.07% of portfolio, with an estimated market value of $159K.

What does the chart on this IRTC ownership page compare?

The chart compares RiverPark Advisors, LLC's quarterly IRTC portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did RiverPark Advisors, LLC time their IRTC position?

Based on 13F filing dates vs. subsequent IRTC price moves, RiverPark Advisors, LLC correctly timed 4 out of 5 reported position changes (80%). The annualised alpha on IRTC relative to SPY over the holding period was -33.2%.

← Back to RiverPark Advisors, LLC Holdings