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Tandem Diabetes Care

291 hedge funds and large institutions have $2.63B invested in Tandem Diabetes Care in 2024 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 122 increasing their positions, 79 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,218% more call options, than puts

Call options by funds: $121M | Put options by funds: $9.18M

100% more funds holding in top 10

Funds holding in top 10: 24 (+2)

86% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 29

54% more repeat investments, than reductions

Existing positions increased: 122 | Existing positions reduced: 79

24% more capital invested

Capital invested by funds: $2.12B → $2.63B (+$503M)

9% more funds holding

Funds holding: 268291 (+23)

2.94% more ownership

Funds ownership: 110.01%112.95% (+2.9%)

Holders
291
Holders Change
+23
Holders Change %
+8.58%
% of All Funds
4.19%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
54
Increased
122
Reduced
79
Closed
29
Calls
$121M
Puts
$9.18M
Net Calls
+$112M
Net Calls Change
+$117M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$327M -$353K -13,172 -0.1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$250M +$822K +30,664 +0.4%
Capital World Investors
3
Capital World Investors
California
$130M -$72.8M -2,718,811 -43%
Marshall Wace
4
Marshall Wace
United Kingdom
$110M +$74.2M +2,768,459 +787%
ACH
5
ArrowMark Colorado Holdings
Colorado
$104M -$22.1K -824 -0%
Jennison Associates
6
Jennison Associates
New York
$90.5M +$33.9M +1,265,534 +98%
State Street
7
State Street
Massachusetts
$79.4M -$900K -33,588 -1%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$77.9M -$10.1M -376,945 -15%
BG
9
Bellevue Group
Switzerland
$71.9M +$1.06M +39,571 +2%
CIP
10
Champlain Investment Partners
Vermont
$53.6M -$436K -16,275 -1%
FAM
11
Fred Alger Management
New York
$53M +$32M +1,194,292 +394%
Morgan Stanley
12
Morgan Stanley
New York
$49.5M -$9.28M -346,185 -20%
PWAM
13
Park West Asset Management
California
$49.5M +$37.4M +1,397,280 New
DCM
14
Driehaus Capital Management
Illinois
$46.7M +$35.3M +1,317,437 New
GKIM
15
GW&K Investment Management
Massachusetts
$46.2M +$2.12M +79,151 +6%
Jacobs Levy Equity Management
16
Jacobs Levy Equity Management
New Jersey
$43.2M -$1.92M -71,773 -6%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$38.1M +$2.02M +75,300 +8%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$38.1M +$976K +36,410 +4%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$37.2M -$51.6M -1,926,929 -65%
Millennium Management
20
Millennium Management
New York
$36.3M +$10.6M +394,111 +62%
Two Sigma Investments
21
Two Sigma Investments
New York
$36.2M +$8.59M +320,639 +46%
Capital International Investors
22
Capital International Investors
California
$36M -$1.78M -66,366 -6%
SIMG
23
Stephens Investment Management Group
Texas
$34.1M +$7.69K +287 +0%
BCM
24
Brown Capital Management
Maryland
$33.8M +$5.89M +219,940 +30%
GGHC
25
Gilder Gagnon Howe & Co
New York
$31.8M +$23.6M +879,312 +4,865%

TNDM Hedge Fund Activity: Q1 2024 in Review

291 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Tandem Diabetes Care (TNDM) for Q1 2024, worth a combined $2.63B — up 24% from $2.12B a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new TNDM positions and 29 closed out — a net gain of 25 holders — while 122 added to existing stakes and 79 trimmed.

The largest buyer was Marshall Wace, adding an estimated $74.2M. The largest seller was Eminence Capital, exiting entirely with an estimated $153M sold.

  • 291 institutional investors held Tandem Diabetes Care (TNDM) as of Q1 2024, up from 268 in Q4 2023.
  • Funds reported $2.63B of Tandem Diabetes Care stock for Q1 2024, up 24% quarter-over-quarter.
  • 54 funds opened new Tandem Diabetes Care positions in Q1 2024 and 29 closed out, a net change of +25 holders.
  • The largest Tandem Diabetes Care buyer in Q1 2024 was Marshall Wace, an estimated $74.2M added.
  • The largest Tandem Diabetes Care seller in Q1 2024 was Eminence Capital, an estimated $153M sold.

Based on aggregated 13F filings for Q1 2024.