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Equibles

TWO SIGMA INVESTMENTS, LP

Position in IRTC — iRhythm Holdings, Inc.

CIK 1179392 NEW YORK, NY
Back to IRTC Full portfolio

Position in IRTC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$6,207,852
+$5,846,673 QoQ
Shares Held
52,600
+2404.8% QoQ
Ownership
0.160%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRTC Over Time

Shares Held

Position Value (USD)

Derivatives in IRTC

reported options exposure · as of Sep 30, 2021
CallValue
$0
CallShares
0
PutValue
$345,504
PutShares
5,900

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Medical Devices

Healthcare · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $2,671,988,741 across 67 Medical Devices names.

# Ticker Company Shares Value (USD) Open
1 BSX
Boston Scientific Corp
 19,359,023 $826,243,101
2 ABT
Abbott Laboratories
 8,126,315 $737,381,823
3 PODD
Insulet Corp
 1,903,734 $289,843,501
4 MDT
Medtronic plc
 3,240,847 $253,531,460
5 EW
Edwards Lifesciences Corp
 1,521,899 $137,670,983
6 PEN
Penumbra Inc
 428,128 $135,181,416
7 BRKR
Bruker Corp
 200,091 $45,941,097
8 ESTA
Establishment Labs Holdings Inc.
 448,425 $38,479,349

All Filings in IRTC

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $6,207,852 52,600
2025-09-30 $361,179 2,100
2025-06-30 $292,524 1,900
2024-03-31 $2,308,400 19,900
2023-09-30 $364,126 3,863
2021-09-30 $3,894,532 66,505
2021-09-30 $345,504 5,900
2021-06-30 $32,094,622 483,717
2021-03-31 $4,234,257 30,493
2020-09-30 $1,021,253 4,289