Zurich Cantonal Bank
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Zurich Cantonal Bank’s iRhythm Holdings IRTC Stock Holding History

Zurich Cantonal Bank’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
Q1 		– Sell
-9,049
Closed -$1.61M – 3027
2025
Q4 		$1.61M Buy
+9,049
New +$1.6M ﹤0.01% 1077

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

Zurich Cantonal Bank's IRTC Position: Q2 2026 in Review

Zurich Cantonal Bank increased its iRhythm Holdings (IRTC) stake by 13% in Q2 2026, buying an estimated $178K and bringing the position to 12,922 shares worth $1.54M. The position accounts for ﹤0.01% of the portfolio, ranked #1284.

Zurich Cantonal Bank first reported a position in IRTC in Q4 2017 and has held it in 34 quarters since. The position peaked at $1.56M in Q3 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Zurich Cantonal Bank held 12,922 shares of iRhythm Holdings worth $1.54M as of Q2 2026.
  • Zurich Cantonal Bank bought 1,534 iRhythm Holdings shares in Q2 2026, an estimated $178K.
  • iRhythm Holdings made up ﹤0.01% of Zurich Cantonal Bank's portfolio in Q2 2026, its #1284 holding.
  • Zurich Cantonal Bank first reported a position in iRhythm Holdings in Q4 2017 and has held it in 34 quarters since.
  • Zurich Cantonal Bank's iRhythm Holdings position peaked at $1.56M in Q3 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Zurich Cantonal Bank's 13F filing for Q2 2026, filed 12 Aug 2026.