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CIBC Bancorp USA’s iRhythm Holdings IRTC Stock Holding History

CIBC Bancorp USA’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 		$633K Sell
5,325
-452
-8% -$52.5K ﹤0.01% 1228
2026
Q1 		$682K Buy
+5,777
New +$834K ﹤0.01% 1139
2025
Q3 		$585K Buy
+3,400
New +$540K ﹤0.01% 806

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
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
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

CIBC Bancorp USA's IRTC Position: Q2 2026 in Review

CIBC Bancorp USA reduced its iRhythm Holdings (IRTC) stake by 7.8% in Q2 2026, selling an estimated $52.5K and leaving 5,325 shares worth $633K. The position accounts for ﹤0.01% of the portfolio, ranked #1228.

CIBC Bancorp USA first reported a position in IRTC in Q3 2025 and has held it in 3 quarters since. The position peaked at $682K in Q1 2026. 284 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • CIBC Bancorp USA held 5,325 shares of iRhythm Holdings worth $633K as of Q2 2026.
  • CIBC Bancorp USA sold 452 iRhythm Holdings shares in Q2 2026, an estimated $52.5K.
  • iRhythm Holdings made up ﹤0.01% of CIBC Bancorp USA's portfolio in Q2 2026, its #1228 holding.
  • CIBC Bancorp USA first reported a position in iRhythm Holdings in Q3 2025 and has held it in 3 quarters since.
  • CIBC Bancorp USA's iRhythm Holdings position peaked at $682K in Q1 2026.
  • 284 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on CIBC Bancorp USA's 13F filing for Q2 2026, filed 13 Aug 2026.