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IMC Chicago’s
Tandem Diabetes Care
TNDM
Stock Holding History
IMC Chicago’s Portfolio
TNDM Stock Details
TNDM Fund Activity
Bought
Maintained
Sold
Call Options
Put Options
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$1.07M
Buy
55,900
+12,200
+28%
+$265K
﹤0.01%
3214
2025
Q4
$961K
Buy
43,700
+8,700
+25%
+$157K
﹤0.01%
3006
2025
Q3
$425K
Buy
35,000
+17,400
+99%
+$236K
﹤0.01%
3270
2025
Q2
$328K
Sell
17,600
-3,200
-15%
-$63.4K
﹤0.01%
3067
2025
Q1
$399K
Sell
20,800
-200
-1%
-$5.85K
﹤0.01%
2795
2024
Q4
$756K
Buy
21,000
+7,600
+57%
+$257K
﹤0.01%
2530
2024
Q3
$568K
Buy
+13,400
New
+$568K
﹤0.01%
2352
Other funds holding TNDM
BlackRock
New York
$5.72T AUM
30.48%
1-Year Est. Return
SC
Sessa Capital
New York
$5.51B AUM
47.23%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
ACH
ArrowMark Colorado Holdings
Denver, Colorado
$3.76B AUM
21.77%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
GKIM
GW&K Investment Management
Boston, Massachusetts
$11.3B AUM
31.98%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
DCM
Driehaus Capital Management
Chicago, Illinois
$13.6B AUM
173.98%
1-Year Est. Return
Goldman Sachs
New York
$871B AUM
31.28%
1-Year Est. Return
Citadel Advisors
Miami, Florida
$618B AUM
30.34%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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