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Tandem Diabetes Care
TNDM

309 hedge funds and large institutions have $5.59B invested in Tandem Diabetes Care in 2020 Q4 according to their latest regulatory filings, with 51 funds opening new positions, 111 increasing their positions, 104 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed

94% more call options, than puts

Call options by funds: $121M | Put options by funds: $62.6M

4.33% more ownership

Funds ownership: 89.68% → 94.01% (+4.3%)

7% more repeat investments, than reductions

Existing positions increased: 111 | Existing positions reduced: 104

4% less funds holding

Funds holding: 321 → 309 (-12)

9% less capital invested

Capital invested by funds: $6.16B → $5.59B (-$565M)

14% less first-time investments, than exits

New positions opened: 51 | Existing positions closed: 59

25% less funds holding in top 10

Funds holding in top 10: 8 → 6 (-2)

Holders
309
Holders Change
-12
Holders Change %
-3.74%
% of All Funds
5.47%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.11%
New
51
Increased
111
Reduced
104
Closed
59
Calls
$121M
Puts
$62.6M
Net Calls
+$58.8M
Net Calls Change
-$23.4M

Top Buyers

1
JSP
Jackson Square Partners
California
+$328M
2
Capital World Investors
Capital World Investors
California
+$156M
3
CS
Credit Suisse
Switzerland
+$67.9M
4
SEI Investments
SEI Investments
Pennsylvania
+$51.8M
5
Morgan Stanley
Morgan Stanley
New York
+$40.1M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$141M
2
EAM
Eagle Asset Management
Florida
-$44.4M
3
HRCM
Hood River Capital Management
Florida
-$42M
4
WRF
Waddell & Reed Financial
Kansas
-$39.1M
5
DCM
Driehaus Capital Management
Illinois
-$36.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$597M +$26.8M +259,640 +4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$504M +$20M +193,793 +4%
BlackRock
3
BlackRock
New York
$333M +$5.6M +54,376 +2%
JSP
4
Jackson Square Partners
California
$305M +$328M +3,186,987 New
Capital World Investors
5
Capital World Investors
California
$294M +$156M +1,518,075 +98%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$217M -$141M -1,365,111 -38%
Invesco
7
Invesco
Georgia
$168M +$14.6M +141,373 +9%
CS
8
Credit Suisse
Switzerland
$135M +$67.9M +658,890 +88%
GGHC
9
Gilder Gagnon Howe & Co
New York
$133M -$1.01M -9,844 -0.7%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$131M +$4.4M +42,692 +3%
VOYA Investment Management
11
VOYA Investment Management
Georgia
$130M +$31.4M +304,590 +29%
FAM
12
Fred Alger Management
New York
$127M -$6.5M -63,116 -5%
Federated Hermes
13
Federated Hermes
Pennsylvania
$122M -$3.18M -30,809 -2%
BCM
14
Brown Capital Management
Maryland
$117M +$460K +4,468 +0.4%
DMPV
15
Delphi Management Partners VIII
California
$95.7M +$103M +1,000,000 New
WRF
16
Waddell & Reed Financial
Kansas
$83.8M -$39.1M -379,846 -30%
State Street
17
State Street
Massachusetts
$80M +$4.96M +48,161 +6%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$71.4M +$6.05M +58,692 +9%
American Century Companies
19
American Century Companies
Missouri
$65.2M +$1.96M +19,034 +3%
RI
20
RTW Investments
New York
$63.2M +$5.93M +57,501 +10%
TCM
21
TimesSquare Capital Management
New York
$61.6M +$6.62M +64,270 +11%
Norges Bank
22
Norges Bank
Norway
$59.1M -$3.39M -32,859 -5%
Goldman Sachs
23
Goldman Sachs
New York
$58.2M -$675K -6,552 -1%
SIMG
24
Stephens Investment Management Group
Texas
$56.1M -$1.39M -13,478 -2%
SEI Investments
25
SEI Investments
Pennsylvania
$52.8M +$51.8M +502,903 +1,022%
1
2 3 4 5

TNDM Hedge Fund Activity: Q4 2020 in Review

309 of the 5,651 institutional investors tracked by Wall St. Rank reported a position in Tandem Diabetes Care (TNDM) for Q4 2020, worth a combined $5.59B — down 9.2% from $6.16B a quarter earlier.

Sellers outnumbered buyers: 59 funds closed out of TNDM and 51 opened new positions — a net loss of 8 holders — while 104 trimmed existing stakes and 111 added.

The largest buyer was Jackson Square Partners, opening a new position worth an estimated $328M. The largest seller was Wellington Management Group, cutting an estimated $141M.

  • 309 institutional investors held Tandem Diabetes Care (TNDM) as of Q4 2020, down from 321 in Q3 2020.
  • Funds reported $5.59B of Tandem Diabetes Care stock for Q4 2020, down 9.2% quarter-over-quarter.
  • 51 funds opened new Tandem Diabetes Care positions in Q4 2020 and 59 closed out, a net change of -8 holders.
  • The largest Tandem Diabetes Care buyer in Q4 2020 was Jackson Square Partners, an estimated $328M added.
  • The largest Tandem Diabetes Care seller in Q4 2020 was Wellington Management Group, an estimated $141M sold.

Based on aggregated 13F filings for Q4 2020.