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Equibles

MILLENNIUM MANAGEMENT LLC

Position in TNDM — Tandem Diabetes Care Inc

CIK 1273087 NEW YORK, NY
Back to TNDM Full portfolio

Position in TNDM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$19,794,141
+$5,192,889 QoQ
Shares Held
1,311,739
+72.2% QoQ
Ownership
1.89%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#15
of 274 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TNDM Over Time

Shares Held

Position Value (USD)

Derivatives in TNDM

reported options exposure · as of Dec 31, 2024
CallValue
$360,200
CallShares
10,000
PutValue
$0
PutShares
0

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

MILLENNIUM MANAGEMENT LLC holds $2,417,136,002 across 83 Medical Devices names. TNDM ranks #20 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ABT
Abbott Laboratories
 3,599,994 $326,663,455
2 EW
Edwards Lifesciences Corp
 3,584,795 $324,280,555
3 BSX
Boston Scientific Corp
 5,437,567 $232,075,359
4 PEN
Penumbra Inc
 700,611 $221,217,923
5 GKOS
GLAUKOS Corp
 1,581,016 $220,962,796
6 IRTC
iRhythm Holdings, Inc.
 1,406,454 $167,297,703
7 PODD
Insulet Corp
 865,387 $131,755,170
8 MDT
Medtronic plc
 918,469 $71,851,829

All Filings in TNDM

Export CSV
39 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $19,794,141 1,311,739
2026-03-31 $14,601,252 761,672
2025-12-31 $12,826,934 583,573
2025-09-30 $8,569,650 705,902
2025-06-30 $18,063,520 969,073
2025-03-31 $4,360,528 227,585
2024-12-31 $5,451,266 151,340
2024-12-31 $360,200 10,000
2024-09-30 $1,272,300 30,000
2024-09-30 $60,843,760 1,434,656
2024-09-30 $424,100 10,000
2024-06-30 $2,820,300 70,000
2024-06-30 $1,611,600 40,000
2024-06-30 $42,463,766 1,053,953
2024-03-31 $36,293,621 1,024,954
2024-03-31 $1,062,300 30,000
2023-12-31 $295,800 10,000
2023-12-31 $18,660,335 630,843
2023-09-30 $1,661,600 80,000
2023-09-30 $10,465,359 503,869
2023-06-30 $490,800 20,000
2023-06-30 $25,702,827 1,047,385
2023-06-30 $490,800 20,000
2023-03-31 $11,976,051 294,904
2022-12-31 $27,569,408 613,335
2022-09-30 $3,497,021 73,083
2022-06-30 $5,527,221 93,381
2022-03-31 $53,038,938 456,092
2021-12-31 $32,159,200 213,654
2021-09-30 $1,193,800 10,000
2021-09-30 $20,230,373 169,462
2021-06-30 $29,454,928 302,412
2021-06-30 $974,000 10,000
2021-03-31 $2,373,042 26,890
2021-03-31 $1,765,000 20,000
2020-12-31 $20,239,955 211,538
2020-12-31 $956,800 10,000
2020-09-30 $37,735,458 332,471
2020-06-30 $75,360,619 761,834