Vault-13

IRHYTHM TECHNOLOGIES INC IRTC 1.5 09.01.29

NOTE 1.500% 9/0 · US DOMESTIC · CUSIP 450056AB2

50 institutional holders -2 vs Q1 2026
26,308,00026.3m shares reported held*
$724.2mreported value*
16 new 13 added 12 reduced 17 sold out net bought ≈ $76.4m (-7.4m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $27.53.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q1 25: 40Q2 25: 38Q3 25: 45Q4 25: 47Q1 26: 52Q2 26: 5050Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q1 202540
Q2 202538
Q3 202545
Q4 202547
Q1 202652
Q2 202650

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q2 25: 20 bought or addedQ2 25: 20 cut or sold outQ2 25Q3 25: 20 bought or addedQ3 25: 19 cut or sold outQ3 25Q4 25: 21 bought or addedQ4 25: 20 cut or sold outQ4 25Q1 26: 29 bought or addedQ1 26: 23 cut or sold outQ1 26Q2 26: 29 bought or addedQ2 26: 29 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q2 20252020
Q3 20252019
Q4 20252120
Q1 20262923
Q2 20262929

Biggest buyers

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC New +59,300,000+59.3m
ADVENT CAPITAL MANAGEMENT /DE/ New +47,419,000+47.4m
CITADEL ADVISORS LLC New +31,580,000+31.6m
WOLVERINE ASSET MANAGEMENT LLC Added +19,362,000+19.4m
Universal- Beteiligungs- und Servicegesellschaft mbH New +12,620,000+12.6m
LMR Partners LLP Added +12,500,000+12.5m
Mirabaud Asset Management (France) SAS New +11,660,000+11.7m
PenderFund Capital Management Ltd. New +9,260,000+9.3m
Opti Capital Management, LP Added +6,000,000+6.0m
SSI INVESTMENT MANAGEMENT LLC New +4,636,000+4.6m

Biggest sellers

Point72 Asset Management, L.P. Sold out -33,000,000-33.0m
BlackRock, Inc. Reduced -26,435,000-26.4m
Alberta Investment Management Corp Sold out -20,000,000-20.0m
Jain Global LLC Sold out -15,000,000-15.0m
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Sold out -13,000,000-13.0m
MILLENNIUM MANAGEMENT LLC Sold out -11,000,000-11.0m
READYSTATE ASSET MANAGEMENT LP Sold out -10,000,000-10.0m
JPMORGAN CHASE & CO Reduced -6,521,000-6.5m
CITIGROUP INC Sold out -5,097,000-5.1m
SSI INVESTMENT MANAGEMENT LLC Sold out -4,636,000-4.6m

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 TENOR CAPITAL MANAGEMENT Co., L.P. 1.37% of their portfolio NEW YORK, NY 87,500,00087.5m $97.1m $97.1m 1.37% Added +2.5m +2,500,000
2 WOLVERINE ASSET MANAGEMENT LLC 0.96% of their portfolio CHICAGO, IL 66,375,00066.4m $73.2m $73.2m 0.96% Added +19.4m +19,362,000
3 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 59,300,00059.3m $65.0m $65.0m 0.01% New
4 ADVENT CAPITAL MANAGEMENT /DE/ 1.20% of their portfolio NEW YORK, NY 47,419,00047.4m $52.5m $52.5m 1.20% New
5 LMR Partners LLP 0.34% of their portfolio LONDON, X0 42,500,00042.5m $46.8m $46.8m 0.34% Added +12.5m +12,500,000
6 Opti Capital Management, LP 2.77% of their portfolio New York, NY 41,000,00041.0m $45.3m $45.3m 2.77% Added +6.0m +6,000,000
7 DeepCurrents Investment Group LLC 1.46% of their portfolio NEW YORK, NY 38,500,00038.5m $42.5m $42.5m 1.46% Added +4.0m +4,000,000
8 STEELHEAD PARTNERS LLC 3.00% of their portfolio SEATTLE, WA 38,122,00038.1m $42.1m $42.1m 3.00% Added +2.0m +2,000,000
9 MacKay Shields LLC 1.20% of their portfolio New York, NY 32,598,00032.6m $35.9m $35.9m 1.20% Reduced -33.0k -33,000
10 CITADEL ADVISORS LLC 0.02% of their portfolio MIAMI, FL 31,580,00031.6m $34.9m $34.9m 0.02% New
11 BlackRock, Inc. 0.00% of their portfolio New York, NY 30,880,00030.9m $33.9m $33.9m 0.00% Reduced -26.4m -26,435,000
12 TUDOR INVESTMENT CORP ET AL 0.10% of their portfolio STAMFORD, CT 21,750,00021.8m $24.0m $24.0m 0.10% Added +1.8m +1,750,000
13 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 16,860,00016.9m $18.7m $18.7m 0.00% Added +3.1m +3,150,000
14 Universal- Beteiligungs- und Servicegesellschaft mbH 0.02% of their portfolio FRANKFURT AM MAIN, 2M 12,620,00012.6m $14.0m $14.0m 0.02% New
15 Mirabaud Asset Management (France) SAS 5.79% of their portfolio PARIS, I0 11,660,00011.7m $12.9m $12.9m 5.79% New
16 PenderFund Capital Management Ltd. 1.31% of their portfolio VANCOUVER, A1 9,260,0009.3m $10.2m $10.2m 1.31% New
17 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 8,900,0008.9m $9.8m $9.8m 0.00% Unchanged
18 FMR LLC 0.00% of their portfolio BOSTON, MA 7,633,0007.6m $8.4m $8.4m 0.00% Reduced -45.0k -45,000
19 Lombard Odier Asset Management (Europe) Ltd 0.28% of their portfolio LONDON, X0 5,828,0005.8m $6.5m $6.5m 0.28% Unchanged
20 Calamos Advisors LLC 0.02% of their portfolio NAPERVILLE, IL 5,000,0005.0m $5.5m $5.5m 0.02% Unchanged
21 SSI INVESTMENT MANAGEMENT LLC 0.30% of their portfolio Los Angeles, CA 4,636,0004.6m $5.1m $5.1m 0.30% New
22 STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio MADISON, WI 4,000,0004.0m $4.4m $4.4m 0.01% Added +1.0m +1,000,000
23 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 3,822,0003.8m $4.2m $4.2m 0.00% Reduced -6.5m -6,521,000
24 SHENKMAN CAPITAL MANAGEMENT INC 0.56% of their portfolio NEW YORK, NY 3,574,0003.6m $4.0m $4.0m 0.56% Reduced -426.0k -426,000
25 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 2,596,0002.6m $28.6k $28.6k 0.00% New
26 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% of their portfolio Paris, I0 2,500,0002.5m $2.8m $2.8m 0.00% New
27 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 2,475,0002.5m $2.7m $2.7m 0.00% Reduced -1.0m -1,000,000
28 TORONTO DOMINION BANK 0.00% of their portfolio TORONTO, ONTARIO, A6 2,000,0002.0m $2.2m $2.2m 0.00% New
29 Man Group plc 0.00% of their portfolio LONDON, X0 1,875,0001.9m $2.1m $2.1m 0.00% Added +400.0k +400,000
30 RWC Asset Management LLP 0.06% of their portfolio LONDON, X0 1,402,0001.4m $1.5m $1.5m 0.06% Reduced -71.0k -71,000
31 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 1,000,0001.0m $1.1m $1.1m 0.00% New
32 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 900,000900.0k $981.6k $981.6k 0.00% Added +500.0k +500,000
33 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 600,000600.0k $661.9k $661.9k 0.00% Reduced -7.0k -7,000
34 Kohlberg Kravis Roberts & Co. L.P. 0.01% of their portfolio NEW YORK, NY 450,000450.0k $495.7k $495.7k 0.01% Unchanged
35 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 422,000422.0k $462.7k $462.7k 0.00% New
36 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 310,000310.0k $342.0k $342.0k 0.00% New
37 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 269,000269.0k $295.0k $295.0k 0.00% Unchanged
38 Jefferies Financial Group Inc. 0.00% of their portfolio NEW YORK, NY 261,000261.0k $289.0k $289.0k 0.00% Reduced -2.0m -1,951,000
39 Central Pacific Bank - Trust Division 0.03% of their portfolio HONOLULU, HI 249,000249.0k $273.0k $273.0k 0.03% Unchanged
40 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 200,000200.0k $220.6k $220.6k 0.00% Unchanged
41 Virtus Fixed Income Advisers, LLC 0.12% of their portfolio HARTFORD, CT 177,000177.0k $194.1k $194.1k 0.12% New
42 OPPENHEIMER ASSET MANAGEMENT INC. 0.00% of their portfolio NEW YORK, NY 69,00069.0k $75.7k $75.7k 0.00% Reduced -1.0k -1,000
43 VIRTUS ADVISERS, LLC 0.02% of their portfolio HARTFORD, CT 41,00041.0k $45.0k $45.0k 0.02% Unchanged
44 UBS Group AG 0.00% of their portfolio ZURICH, V8 36,00036.0k $39.5k $39.5k 0.00% Added +19.0k +19,000
45 CSS LLC/IL 0.00% of their portfolio CHICAGO, IL 23,00023.0k $25.3k $25.3k 0.00% Unchanged
46 STEPHENS INC /AR/ 0.00% of their portfolio LITTLE ROCK, AR 20,00020.0k $21.9k $21.9k 0.00% Reduced -1.0k -1,000
47 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 18,50018.5k $2.0m $2.0m 0.00% New
48 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 12,00012.0k $13.2k $13.2k 0.00% Reduced -300.0k -300,000
49 NINE MASTS CAPITAL Ltd 0.61% of their portfolio CENTRAL, K3 5,0005.0k $5.5m $5.5m 0.61% New
50 Alken Asset Management Ltd 3.32% of their portfolio LONDON, X0 2,7002.7k $3.0m $3.0m 3.32% Added +800 +800