We are live on ! Find out more
TNDM icon

Tandem Diabetes Care

226 hedge funds and large institutions have $1.45B invested in Tandem Diabetes Care in 2023 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 80 increasing their positions, 89 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

2.99% more ownership

Funds ownership: 103.94%106.93% (+3%)

9% less funds holding

Funds holding: 247226 (-21)

10% less repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 89

12% less call options, than puts

Call options by funds: $7.01M | Put options by funds: $7.98M

12% less capital invested

Capital invested by funds: $1.65B → $1.45B (-$205M)

42% less first-time investments, than exits

New positions opened: 26 | Existing positions closed: 45

Holders
226
Holders Change
-21
Holders Change %
-8.5%
% of All Funds
3.59%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
26
Increased
80
Reduced
89
Closed
45
Calls
$7.01M
Puts
$7.98M
Net Calls
-$964K
Net Calls Change
+$1.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
26
Millennium Management
New York
$10.5M -$14.9M -543,516 -52%
Northern Trust
27
Northern Trust
Illinois
$7.83M +$220K +8,012 +2%
Charles Schwab
28
Charles Schwab
California
$7.62M +$456K +16,586 +5%
AllianceBernstein
29
AllianceBernstein
Tennessee
$7.58M +$5.26M +191,348 +110%
Principal Financial Group
30
Principal Financial Group
Iowa
$7.38M -$515K -18,749 -5%
CFM
31
Coronation Fund Managers
South Africa
$7.37M +$4.04M +147,058 +71%
Susquehanna International Group
32
Susquehanna International Group
Pennsylvania
$7.19M +$1M +36,555 +12%
FAM
33
Fred Alger Management
New York
$6.76M +$3.02M +110,049 +51%
New York State Common Retirement Fund
34
New York State Common Retirement Fund
New York
$6.57M -$517K -18,839 -6%
Invesco
35
Invesco
Georgia
$5.69M -$618K -22,508 -8%
Ameriprise
36
Ameriprise
Minnesota
$5.66M -$332K -12,072 -4%
ICM
37
Invenomic Capital Management
Massachusetts
$5.66M +$5.23M +190,273 +232%
Baillie Gifford & Co
38
Baillie Gifford & Co
United Kingdom
$5.46M
SAM
39
Silvercrest Asset Management
New York
$5.3M +$1.74M +63,373 +33%
D.E. Shaw & Co
40
D.E. Shaw & Co
New York
$5.21M -$9.64M -351,116 -58%
PCM
41
Peregrine Capital Management
Minnesota
$5.05M +$1.45M +52,897 +28%
AIMCA
42
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$5.02M +$1.44M +52,329 +28%
DCM
43
DAFNA Capital Management
California
$4.58M +$3.04M +110,708 +101%
Tudor Investment Corp
44
Tudor Investment Corp
Connecticut
$4.47M +$228K +8,292 +4%
JF
45
Jump Financial
Illinois
$4.24M +$1.13M +41,060 +25%
Legal & General Group
46
Legal & General Group
United Kingdom
$3.8M -$16K -584 -0.3%
Marshall Wace
47
Marshall Wace
United Kingdom
$3.72M -$13.1M -478,121 -73%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$3.6M -$58.5K -2,130 -1%
Norges Bank
49
Norges Bank
Norway
$3.39M -$11.1M -404,105 -71%
JP Morgan Chase
50
JP Morgan Chase
New York
$3.31M -$1.13M -41,233 -21%

TNDM Hedge Fund Activity: Q3 2023 in Review

226 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Tandem Diabetes Care (TNDM) for Q3 2023, worth a combined $1.45B — down 12% from $1.65B a quarter earlier.

Sellers outnumbered buyers: 45 funds closed out of TNDM and 26 opened new positions — a net loss of 19 holders — while 89 trimmed existing stakes and 80 added.

The largest buyer was Eminence Capital, adding an estimated $65.2M. The largest seller was Fidelity Investments, cutting an estimated $43.1M.

  • 226 institutional investors held Tandem Diabetes Care (TNDM) as of Q3 2023, down from 247 in Q2 2023.
  • Funds reported $1.45B of Tandem Diabetes Care stock for Q3 2023, down 12% quarter-over-quarter.
  • 26 funds opened new Tandem Diabetes Care positions in Q3 2023 and 45 closed out, a net change of -19 holders.
  • The largest Tandem Diabetes Care buyer in Q3 2023 was Eminence Capital, an estimated $65.2M added.
  • The largest Tandem Diabetes Care seller in Q3 2023 was Fidelity Investments, an estimated $43.1M sold.

Based on aggregated 13F filings for Q3 2023.