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Perceptive Advisors’s
iRhythm Holdings
IRTC
Stock Holding History
Perceptive Advisors’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
$12.4M
Sell
105,026
-2,974
-3%
-$429K
0.24%
62
2025
Q4
$19.2M
Sell
108,000
-15,000
-12%
-$2.66M
0.35%
64
2025
Q3
$21.2M
Buy
+123,000
New
+$19.6M
0.61%
43
2025
Q1
–
Sell
-65,153
Closed
-$5.87M
–
97
2024
Q4
$5.87M
Buy
65,153
+42,562
+188%
+$3.34M
0.16%
69
2024
Q3
$1.68M
Sell
22,591
-12,614
-36%
-$1M
0.04%
96
2024
Q2
$3.79M
Sell
35,205
-210,000
-86%
-$21.5M
0.09%
85
2024
Q1
$28.4M
Buy
+245,205
New
+$27.6M
0.5%
57
2019
Q2
–
Sell
-200,000
Closed
-$15M
–
115
2019
Q1
$15M
Buy
+200,000
New
+$17.1M
0.42%
45
2018
Q4
–
Sell
-168,939
Closed
-$16M
–
113
2018
Q3
$16M
Sell
168,939
-139,067
-45%
-$12.1M
0.43%
46
2018
Q2
$25M
Sell
308,006
-111,700
-27%
-$7.81M
0.66%
42
2018
Q1
$26.4M
Sell
419,706
-7,665
-2%
-$475K
0.74%
32
2017
Q4
$24M
Buy
427,371
+54,700
+15%
+$2.86M
0.79%
34
2017
Q3
$19.3M
Buy
372,671
+89,814
+32%
+$4.07M
0.74%
32
2017
Q2
$12M
Buy
282,857
+11,800
+4%
+$430K
0.62%
46
2017
Q1
$10.2M
Sell
271,057
-81,184
-23%
-$2.79M
0.58%
41
2016
Q4
$10.6M
Buy
+352,241
New
+$9.49M
0.75%
31
Other funds holding IRTC
BlackRock
New York
$5.7T 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
New York
$134B AUM
35.51%
1-Year Est. Return
Artisan Partners
Milwaukee, Wisconsin
$61.3B AUM
26.25%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
Holocene Advisors
New York
$41.3B AUM
42.97%
1-Year Est. Return
UBS AM
Chicago, Illinois
$481B AUM
26.39%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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