TNDM icon

Tandem Diabetes Care

269 hedge funds and large institutions have $1.51B invested in Tandem Diabetes Care in 2025 Q2 according to their latest regulatory filings, with 40 funds opening new positions, 116 increasing their positions, 69 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

2% less first-time investments, than exits

New positions opened: 40 | Existing positions closed: 41

1% less funds holding

Funds holding: 272269 (-3)

Holders
269
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$54.4M
Puts
$4.81M
Net Calls
Net Calls Change

Top Buyers

1 +$24.4M
2 +$21.9M
3 +$13.8M
4
Two Sigma Investments
Two Sigma Investments
New York
+$11M
5
Walleye Capital
Walleye Capital
New York
+$10.6M
Name Holding Trade Value Shares
Change
Change in
Stake
UB
226
UMB Bank
Missouri
$6.13K
NFSG
227
Newbridge Financial Services Group
Florida
$5.96K
C
228
Covestor
United Kingdom
$5K
IA
229
IFP Advisors
Florida
$4.73K
BCV
230
Banque Cantonale Vaudoise
Switzerland
$4K
HI
231
Harbour Investments
Wisconsin
$3.8K
EWA
232
EverSource Wealth Advisors
Alabama
$3.15K
SCM
233
Sterling Capital Management
North Carolina
$3K
QL
234
Quarry LP
New York
$2.55K
SPIA
235
Steward Partners Investment Advisory
New York
$2.42K
RIL
236
Rothschild Investment LLC
Illinois
$2.33K
MPWT
237
MassMutual Private Wealth & Trust
Connecticut
$2.11K
FRA
238
Front Row Advisors
California
$1.86K
TFA
239
Toth Financial Advisory
Virginia
$1.86K
PTC
240
Private Trust Company
Ohio
$1.72K
FFO
241
Fortitude Family Office
Arizona
$1.53K
FDCDDQ
242
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.4K
TWD
243
True Wealth Design
Ohio
$1.3K
CA
244
Clearstead Advisors
Ohio
$1.25K
PWMG
245
Prestige Wealth Management Group
New Jersey
$1.21K
EC
246
Elequin Capital
New York
$1.01K
HFS
247
Hantz Financial Services
Michigan
$1K
FMII
248
Farmers & Merchants Investments Inc
Nebraska
$932
AAS
249
Ameritas Advisory Services
Nebraska
$932
GSWM
250
Golden State Wealth Management
California
$764