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
Search
Sign in
Sign up
BIA
Bell Investment Advisors’s
Tandem Diabetes Care
TNDM
Stock Holding History
Bell Investment Advisors’s Portfolio
TNDM Stock Details
TNDM Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$691
Hold
36
–
–
﹤0.01%
1634
2025
Q4
$792
Buy
36
+32
+800%
+$578
﹤0.01%
1604
2025
Q3
$49
Sell
4
-32
-89%
-$433
﹤0.01%
1869
2025
Q2
$672
Hold
36
–
–
﹤0.01%
1693
2025
Q1
$690
Hold
36
–
–
﹤0.01%
1664
2024
Q4
$1.3K
Hold
36
–
–
﹤0.01%
1500
2024
Q3
$1.53K
Hold
36
–
–
﹤0.01%
1452
2024
Q2
$1.45K
Hold
36
–
–
﹤0.01%
1479
2024
Q1
$1.27K
Hold
36
–
–
﹤0.01%
1529
2023
Q4
$1.06K
Buy
36
+32
+800%
+$664
﹤0.01%
1573
2023
Q3
$84
Hold
4
–
–
﹤0.01%
1918
2023
Q2
$99
Sell
4
-38
-90%
-$1.22K
﹤0.01%
1912
2023
Q1
$1.71K
Sell
42
-11
-21%
-$455
﹤0.01%
1342
2022
Q4
$2.38K
Buy
53
+19
+56%
+$860
﹤0.01%
1193
2022
Q3
$2K
Buy
34
+13
+62%
+$713
﹤0.01%
1227
2022
Q2
$1K
Buy
+21
New
+$1.72K
﹤0.01%
1624
2021
Q4
$5K
Sell
36
-6
-14%
-$810
﹤0.01%
802
2021
Q3
$5K
Buy
+42
New
+$4.63K
﹤0.01%
740
Other funds holding TNDM
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
SC
Sessa Capital
New York
$5.26B 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
$761B AUM
31.28%
1-Year Est. Return
Citadel Advisors
Miami, Florida
$141B AUM
30.34%
1-Year Est. Return
Sign up
Sign in
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
Theme
Close