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Boothbay Fund Management’s iRhythm Holdings IRTC Stock Holding History

Boothbay Fund 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
Q1 		– Sell
-1,304
Closed -$231K – 2269
2025
Q4 		$231K Buy
+1,304
New +$231K ﹤0.01% 1595
2024
Q4 		– Sell
-10,254
Closed -$761K – 1716
2024
Q3 		$761K Buy
10,254
+1,010
+11% +$80.4K 0.02% 835
2024
Q2 		$995K Buy
+9,244
New +$944K 0.02% 722
2024
Q1 		– Sell
-5,783
Closed -$619K – 1753
2023
Q4 		$619K Buy
+5,783
New +$504K 0.02% 907
2019
Q2 		– Sell
-6,400
Closed -$480K – 811
2019
Q1 		$480K Buy
+6,400
New +$547K 0.05% 394

Other funds holding IRTC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Boothbay Fund Management's IRTC Position: Q1 2026 in Review

Boothbay Fund Management sold out of iRhythm Holdings (IRTC) in Q1 2026, closing a stake of 1,304 shares — an estimated $231K sold.

Boothbay Fund Management first reported a position in IRTC in Q1 2019 and held it in 5 quarters. The position peaked at $995K in Q2 2024. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Boothbay Fund Management reported no remaining iRhythm Holdings position as of Q1 2026 after selling out during the quarter.
  • Boothbay Fund Management sold 1,304 iRhythm Holdings shares in Q1 2026, an estimated $231K.
  • Boothbay Fund Management first reported a position in iRhythm Holdings in Q1 2019 and held it in 5 quarters.
  • Boothbay Fund Management's iRhythm Holdings position peaked at $995K in Q2 2024.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Boothbay Fund Management's 13F filing for Q1 2026, filed 15 May 2026.