Parallax Volatility Advisers
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Parallax Volatility Advisers’s iRhythm Holdings IRTC Stock Holding History

Parallax Volatility Advisers’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
2023
Q1 		– Sell
-200
Closed -$18.7K – 2945
2022
Q4 		$18.7K Buy
+200
New +$21.8K ﹤0.01% 2494
2021
Q4 		– Sell
-1,600
Closed -$94K – 2103
2021
Q3 		$94K Buy
+1,600
New +$84.8K ﹤0.01% 1779

Other funds holding IRTC

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return

Parallax Volatility Advisers's IRTC Position: Q4 2021 in Review

Parallax Volatility Advisers sold out of iRhythm Holdings (IRTC) in Q4 2021, closing a stake of 22 shares — an estimated $2.02K sold.

Parallax Volatility Advisers first reported a position in IRTC in Q4 2017 and held it in 3 quarters. The position peaked at $555K in Q4 2020. 213 funds tracked by Wall St. Rank hold IRTC as of Q4 2021.

  • Parallax Volatility Advisers reported no remaining iRhythm Holdings position as of Q4 2021 after selling out during the quarter.
  • Parallax Volatility Advisers sold 22 iRhythm Holdings shares in Q4 2021, an estimated $2.02K.
  • Parallax Volatility Advisers first reported a position in iRhythm Holdings in Q4 2017 and held it in 3 quarters.
  • Parallax Volatility Advisers's iRhythm Holdings position peaked at $555K in Q4 2020.
  • 213 funds tracked by Wall St. Rank held iRhythm Holdings as of Q4 2021.

Based on Parallax Volatility Advisers's 13F filing for Q4 2021, filed 14 Feb 2022.