HIM
IRTC icon

Hillsdale Investment Management’s iRhythm Holdings IRTC Stock Holding History

Hillsdale Investment Management’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 		– Sell
-34,950
Closed -$4.12M – 711
2026
Q1 		$4.12M Buy
34,950
+900
+3% +$130K 0.11% 234
2025
Q4 		$6.04M Sell
34,050
-4,200
-11% -$744K 0.17% 159
2025
Q3 		$6.58M Buy
38,250
+750
+2% +$119K 0.2% 147
2025
Q2 		$5.77M Buy
+37,500
New +$4.85M 0.21% 117

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

Hillsdale Investment Management's IRTC Position: Q2 2026 in Review

Hillsdale Investment Management sold out of iRhythm Holdings (IRTC) in Q2 2026, closing a stake of 34,950 shares — an estimated $4.12M sold.

Hillsdale Investment Management first reported a position in IRTC in Q2 2025 and held it in 4 quarters. The position peaked at $6.58M in Q3 2025. 303 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Hillsdale Investment Management reported no remaining iRhythm Holdings position as of Q2 2026 after selling out during the quarter.
  • Hillsdale Investment Management sold 34,950 iRhythm Holdings shares in Q2 2026, an estimated $4.12M.
  • Hillsdale Investment Management first reported a position in iRhythm Holdings in Q2 2025 and held it in 4 quarters.
  • Hillsdale Investment Management's iRhythm Holdings position peaked at $6.58M in Q3 2025.
  • 303 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Hillsdale Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.