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RHUMBLINE ADVISERS

Position in TNDM — Tandem Diabetes Care Inc

CIK 1115418 BOSTON, MA

Position in TNDM

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$3,571,677
-$477,456 QoQ
Shares Held
186,316
+1.1% QoQ
Ownership
0.272%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 45% Shared 0% None 55%

Common Shares in TNDM Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,402,735,885 across 83 Medical Devices names. TNDM ranks #27 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TNDM

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,571,677 186,316
2025-12-31 $4,049,133 184,219
2025-09-30 $2,308,833 190,184
2025-06-30 $3,601,602 193,219
2025-03-31 $3,415,729 178,274
2024-12-31 $6,436,990 178,706
2024-09-30 $7,784,270 183,548
2024-06-30 $7,525,325 186,779
2024-03-31 $5,715,067 161,397
2023-12-31 $5,090,155 172,081
2023-09-30 $3,598,527 173,256
2023-06-30 $4,303,972 175,386
2023-03-31 $7,212,863 177,613
2022-12-31 $8,518,384 189,508
2022-09-30 $8,672,286 181,239
2022-06-30 $10,470,355 176,894
2022-03-31 $18,963,410 163,070
2021-12-31 $24,528,287 162,957
2021-09-30 $19,213,255 160,942
2021-06-30 $5,769,391 59,234
2021-03-31 $5,570,163 63,118
2020-12-31 $6,308,660 65,935
2020-09-30 $7,557,057 66,582
2020-06-30 $6,834,778 69,094
2020-03-31 $5,212,221 80,998