TSS
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Two Sigma Securities’s iRhythm Holdings IRTC Stock Holding History

Two Sigma Securities’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 		$319K Buy
+2,701
New +$390K 0.04% 737
2025
Q4 		– Sell
-3,588
Closed -$617K – 1748
2025
Q3 		$617K Buy
+3,588
New +$570K 0.09% 299
2024
Q4 		– Sell
-2,868
Closed -$213K – 2500
2024
Q3 		$213K Buy
+2,868
New +$228K 0.02% 2092
2024
Q2 		– Hold
0
– – – 3412
2024
Q1 		– Hold
0
– – – 3380
2023
Q4 		– Hold
0
– – – 3408
2023
Q3 		– Hold
0
– – – 3318
2020
Q4 		– Sell
-980
Closed -$233K – 1948
2020
Q3 		$233K Buy
+980
New +$173K 0.04% 1027

Other funds holding IRTC

BlackRock
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
Millennium Management New York $134B AUM 35.51% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $61.3B 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 $41.3B 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