We are live on ! Find out more
TNDM icon

Tandem Diabetes Care

317 hedge funds and large institutions have $2.96B invested in Tandem Diabetes Care in 2024 Q2 according to their latest regulatory filings, with 64 funds opening new positions, 124 increasing their positions, 91 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed

784% more call options, than puts

Call options by funds: $135M | Put options by funds: $15.3M

83% more first-time investments, than exits

New positions opened: 64 | Existing positions closed: 35

36% more repeat investments, than reductions

Existing positions increased: 124 | Existing positions reduced: 91

13% more capital invested

Capital invested by funds: $2.63B → $2.96B (+$339M)

9% more funds holding

Funds holding: 291317 (+26)

0.97% more ownership

Funds ownership: 112.95%113.92% (+0.97%)

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
317
Holders Change
+26
Holders Change %
+8.93%
% of All Funds
4.58%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
64
Increased
124
Reduced
91
Closed
35
Calls
$135M
Puts
$15.3M
Net Calls
+$120M
Net Calls Change
+$7.9M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$448M +$78.9M +1,890,422 +20%
Vanguard Group
2
Vanguard Group
Pennsylvania
$297M +$13.6M +325,432 +5%
Capital World Investors
3
Capital World Investors
California
$148M
State Street
4
State Street
Massachusetts
$104M +$13.8M +331,586 +15%
ACH
5
ArrowMark Colorado Holdings
Colorado
$101M -$17.9M -429,328 -15%
FAM
6
Fred Alger Management
New York
$87.6M +$28.2M +677,036 +45%
Jennison Associates
7
Jennison Associates
New York
$79.4M -$24.5M -586,498 -23%
Citadel Advisors
8
Citadel Advisors
Florida
$72.9M +$51.8M +1,241,673 +219%
CIP
9
Champlain Investment Partners
Vermont
$65.7M +$4.84M +115,970 +8%
BG
10
Bellevue Group
Switzerland
$62.2M -$20.4M -488,621 -24%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$60.8M +$18M +431,532 +40%
Ameriprise
12
Ameriprise
Minnesota
$59.6M +$28.7M +688,746 +87%
Janus Henderson Group
13
Janus Henderson Group
United Kingdom
$58.4M -$31.3M -750,622 -34%
GKIM
14
GW&K Investment Management
Massachusetts
$54.1M +$1.55M +37,202 +3%
Jacobs Levy Equity Management
15
Jacobs Levy Equity Management
New Jersey
$50.1M +$1.04M +24,946 +2%
SIMG
16
Stephens Investment Management Group
Texas
$45.8M +$7.24M +173,660 +18%
Two Sigma Investments
17
Two Sigma Investments
New York
$45.7M +$4.72M +113,187 +11%
Two Sigma Advisers
18
Two Sigma Advisers
New York
$45.6M +$2.28M +54,700 +5%
Millennium Management
19
Millennium Management
New York
$42.5M +$1.21M +28,999 +3%
GGHC
20
Gilder Gagnon Howe & Co
New York
$41.4M +$5.48M +131,245 +15%
Morgan Stanley
21
Morgan Stanley
New York
$41.1M -$15.8M -378,734 -27%
DCM
22
Driehaus Capital Management
Illinois
$38.5M -$15.1M -362,193 -27%
BCM
23
Brown Capital Management
Maryland
$36.8M -$1.67M -40,112 -4%
NCGI
24
Next Century Growth Investors
Minnesota
$36.8M +$2.57M +61,491 +7%
Fidelity Investments
25
Fidelity Investments
Massachusetts
$36M -$6.56M -157,259 -15%

TNDM Hedge Fund Activity: Q2 2024 in Review

317 of the 6,924 institutional investors tracked by Wall St. Rank reported a position in Tandem Diabetes Care (TNDM) for Q2 2024, worth a combined $2.96B — up 13% from $2.63B a quarter earlier.

Buyers outnumbered sellers: 64 funds opened new TNDM positions and 35 closed out — a net gain of 29 holders — while 124 added to existing stakes and 91 trimmed.

The largest buyer was BlackRock, adding an estimated $78.9M. The largest seller was Marshall Wace, cutting an estimated $108M.

  • 317 institutional investors held Tandem Diabetes Care (TNDM) as of Q2 2024, up from 291 in Q1 2024.
  • Funds reported $2.96B of Tandem Diabetes Care stock for Q2 2024, up 13% quarter-over-quarter.
  • 64 funds opened new Tandem Diabetes Care positions in Q2 2024 and 35 closed out, a net change of +29 holders.
  • The largest Tandem Diabetes Care buyer in Q2 2024 was BlackRock, an estimated $78.9M added.
  • The largest Tandem Diabetes Care seller in Q2 2024 was Marshall Wace, an estimated $108M sold.

Based on aggregated 13F filings for Q2 2024.