ArrowMark Colorado Holdings LLC

Position in TNDM — Tandem Diabetes Care Inc

CIK 1483859 Denver, CO

Position in TNDM

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$59,496,184

-$4,019,224 QoQ

Shares Held

3,103,609

+7.4% QoQ

Ownership

4.53%

of shares outstanding

% of Portfolio

1.64%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

ArrowMark Colorado Holdings LLC holds $246,000,566 across 9 Medical Devices names. TNDM ranks #2 (24.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AXGN	Axogen, Inc.	1,915,439	$63,458,494
2	TNDM	Tandem Diabetes Care Inc This page	3,103,609	$59,496,184
3	GMED	Globus Medical Inc	487,426	$41,996,624
4	STE	STERIS plc	164,192	$36,307,776
5	TMDX	TransMedics Group, Inc.	171,068	$17,005,869
6	LMRI	Lumexa Imaging Holdings, Inc.	1,653,258	$14,218,018
7	NEOG	Neogen Corp	968,609	$8,998,377
8	BRKR	Bruker Corp	108,000	$3,900,960

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$59,496,184	3,103,609	+7.4%	Shares	Sole	2026-05-15
2025-12-31	$63,515,408	2,889,691	-21.7%	Shares	Sole	2026-02-17
2025-09-30	$44,811,143	3,691,198	+36.7%	Shares	Sole	2025-11-14
2025-06-30	$50,319,593	2,699,549	-0.6%	Shares	Sole	2025-08-14
2025-03-31	$52,044,921	2,716,332	-0.3%	Shares	Sole	2025-05-15
2024-12-31	$98,108,214	2,723,715	+14.1%	Shares	Sole	2025-02-14
2024-09-30	$101,219,480	2,386,689	-4.7%	Shares	Sole	2024-11-14
2024-06-30	$100,920,446	2,504,851	-14.6%	Shares	Sole	2024-08-14
2024-03-31	$103,899,278	2,934,179	-0.0%	Shares	Sole	2024-05-15
2023-12-31	$86,817,388	2,935,003	+79.9%	Shares	Sole	2024-02-14
2023-09-30	$33,887,168	1,631,544	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.