13F Insight
DOSSIER · 13F Holders · Q2 2026

TANDEM DIABETES CARE INC

32 institutions still hold TANDEM DIABETES CARE INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 875372AD6·32 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$298M
visible holders
Holders
32
filers reporting
Concentration
23.88%
LINDEN ADVISORS LP #1
top holder share
AI Holders Summary · Q2 2026

32 institutions reported TANDEM DIABETES CARE INC in Q2 2026. LINDEN ADVISORS LP leads at 23.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
LINDEN ADVISORS LP
CIK 0001279396
$71M74.8M0.37%Q2 202602
BANK OF MONTREAL /CAN/
CIK 0000927971
$40M42.0M0.01%Q2 202603
Opti Capital Management, LP
CIK 0001738654
$26M27.5M1.61%Q2 202604
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$24M25.0M0.03%Q2 202605
Context Capital Management, LLC
CIK 0001301396
$19M20.0M0.37%Q2 202606
Empyrean Capital Partners, LP
CIK 0001317195
$18M18.5M0.58%Q2 202607
DeepCurrents Investment Group LLC
CIK 0001754535
$17M17.8M0.51%Q2 202608
Fort Baker Capital Management LP
CIK 0001688382
$14M15.0M1.06%Q2 202609
GOLDMAN SACHS GROUP INC
CIK 0000886982
$10M10.4M0.00%Q2 202610
Calamos Advisors LLC
CIK 0001316507
$8M8.6M0.03%Q2 202611
Jump Financial, LLC
CIK 0001831577
$8M8.3M0.06%Q2 202612
Point72 Asset Management, L.P.
CIK 0001603466
$8M7.5M0.01%Q1 202613
BlackRock, Inc.
CIK 0002012383
$7M7.0M0.00%Q2 202614
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$6M6.2M0.13%Q2 202615
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$6M6.0M0.07%Q2 202616
CITIGROUP INC
CIK 0000831001
$5M5.3M0.00%Q2 202617
FMR LLC
CIK 0000315066
$4M3.8M0.00%Q2 202618
Walleye Capital LLC
CIK 0001758720
$3M3.5M0.01%Q2 202619
AQR Arbitrage LLC
CIK 0001167456
$3M2.5M0.05%Q4 202520
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$2M2.5M0.20%Q2 2026
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