Jefferies Financial Group’s Tandem Diabetes Care TNDM Stock Holding History

Jefferies Financial Group’s Portfolio TNDM Stock Details TNDM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.51M	Buy	166,489 +109,767	+194%	+$1.92M	0.02%	610
2026 Q1	$1.09M	Buy	+56,722	New	+$1.23M	0.01%	894
2025 Q3	–	Sell	-16,483	Closed	-$307K	–	1680
2025 Q2	$307K	Buy	16,483 +4,815	+41%	+$95.4K	﹤0.01%	1024
2025 Q1	$224K	Buy	11,668 +2,510	+27%	+$73.5K	﹤0.01%	1335
2024 Q4	$330K	Sell	9,158 -369,178	-98%	-$12.5M	﹤0.01%	1234
2024 Q3	$16M	Buy	378,336 +293,580	+346%	+$12.4M	0.11%	111
2024 Q2	$3.41M	Buy	84,756 +54,756	+183%	+$2.28M	0.04%	399
2024 Q1	$1.06M	Buy	+30,000	New	+$804K	0.01%	804

Other funds holding TNDM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

FLAM

First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

PIM

Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Jefferies Financial Group's TNDM Position: Q2 2026 in Review

Jefferies Financial Group increased its Tandem Diabetes Care (TNDM) stake by 194% in Q2 2026, buying an estimated $1.92M and bringing the position to 166,489 shares worth $2.51M. The position accounts for 0.02% of the portfolio, ranked #610.

Jefferies Financial Group first reported a position in TNDM in Q1 2024 and has held it in 8 quarters since. The position peaked at $16M in Q3 2024. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

Jefferies Financial Group held 166,489 shares of Tandem Diabetes Care worth $2.51M as of Q2 2026.
Jefferies Financial Group bought 109,767 Tandem Diabetes Care shares in Q2 2026, an estimated $1.92M.
Tandem Diabetes Care made up 0.02% of Jefferies Financial Group's portfolio in Q2 2026, its #610 holding.
Jefferies Financial Group first reported a position in Tandem Diabetes Care in Q1 2024 and has held it in 8 quarters since.
Jefferies Financial Group's Tandem Diabetes Care position peaked at $16M in Q3 2024.
274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Jefferies Financial Group's 13F filing for Q2 2026, filed 17 Aug 2026.