13FBOX
TANDEM DIABETES CARE INC · 13F Institutional Holdings
Options Calculator Rankings
T

TANDEM DIABETES CARE INC

TNDM
Institutions
277
Combined AUM (Q2 2026)
$1.29B
Combined Shares (Q2 2026)
85.1M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+16.3M
147 · 49 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-14.4M
133 · 45 Exit · ≈
⚖️ Net
+1.9M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.29B
Institutions
277
New Buys
49
Adds
98
Reduces
88
Exits
45
Unchanged
42
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
<0.01%<0.01%#97$174.8M11.6M$204.9M10.7M+892,281+8.35%Add
UBS Group AG
0.01%0.02%#55$95.4M6.3M$138.5M7.2M-901,221-12.47%Reduce
Sessa Capital IM, L.P.
1.29%1.65%#5$77.0M5.1M$90.7M4.7M+369,243+7.81%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#89$64.9M4.3M$76.6M4.0M+306,334+7.67%Add
First Light Asset Management, LLC
3.1%2.26%#3$51.1M3.4M$25.2M1.3M+2.1M+157.36%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#145$46.7M3.1M$58.3M3.0M+57,617+1.90%Add
STATE STREET CORP
<0.01%<0.01%#129$43.0M2.9M$51.0M2.7M+189,386+7.11%Add
GW&K Investment Management, LLC
0.3%0.45%#12$38.8M2.6M$51.6M2.7M-120,074-4.47%Reduce
JENNISON ASSOCIATES LLC
0.02%0.02%#43$35.2M2.3M$31.8M1.7M+672,981+40.58%Add
Paradice Investment Management LLC
4.87%7.43%#1$30.5M2.0M$39.2M2.0M-18,411-0.90%Reduce
JACOBS LEVY EQUITY MANAGEMENT, INC
0.11%0.12%#19$30.3M2.0M$29.2M1.5M+482,483+31.66%Add
Freestone Grove Partners LP
0.18%0.18%#15$28.2M1.9M$25.5M1.3M+535,392+40.23%Add
CITADEL ADVISORS LLC
<0.01%0.01%#86$28.0M1.9M$43.7M2.3M-422,988-18.58%Reduce
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#119$27.2M1.8M$32.2M1.7M+120,934+7.20%Add
DRIEHAUS CAPITAL MANAGEMENT LLC
0.16%0.32%#17$27.0M1.8M$44.2M2.3M-517,418-22.45%Reduce
MILLENNIUM MANAGEMENT LLC
0.01%0.01%#70$19.8M1.3M$14.6M761,672+550,067+72.22%Add
Woodline Partners LP
0.06%#26$19.7M1.3M$00+1.3MNew Buy
ArrowMark Colorado Holdings LLC
0.82%1.58%#9$19.6M1.3M$59.5M3.1M-1.8M-58.13%Reduce
FMR LLC
<0.01%<0.01%#158$14.7M976,432$13.7M714,011+262,421+36.75%Add
Point72 Asset Management, L.P.
0.02%0.01%#50$13.7M910,903$9.8M510,478+400,425+78.44%Add
ROYCE & ASSOCIATES LP
0.11%0.13%#18$13.6M900,590$13.4M696,590+204,000+29.29%Add
WELLINGTON MANAGEMENT GROUP LLP
<0.01%<0.01%#105$13.2M871,811$20.0M1.0M-170,953-16.39%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#136$13.0M862,301$42.5M2.2M-1.4M-61.14%Reduce
NORTHERN TRUST CORP
<0.01%<0.01%#124$11.4M753,690$13.5M706,609+47,081+6.66%Add
Verition Fund Management LLC
0.01%0.01%#51$10.6M700,000$2.1M107,119+592,881+553.48%Add
ExodusPoint Capital Management, LP
0.07%#23$10.4M691,789$00+691,789New Buy
Qube Research & Technologies Ltd
0.01%<0.01%#61$10.3M683,823$996,09251,961+631,862+1,216.03%Add
D. E. Shaw & Co., Inc.
<0.01%0.01%#78$10.3M681,808$15.0M783,906-102,098-13.02%Reduce
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
<0.01%<0.01%#79$10.1M667,689$3.7M193,556+474,133+244.96%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#125$9.9M656,836$12.3M642,598+14,238+2.22%Add
MORGAN STANLEY
<0.01%<0.01%#170$9.8M647,069$9.0M737,547-90,478-12.27%Reduce
Soleus Capital Management, L.P.
0.3%0.61%#13$8.7M575,000$15.0M783,000-208,000-26.56%Reduce
BANK OF MONTREAL /CAN/
<0.01%<0.01%#92$8.5M564,966$717,62937,435+527,531+1,409.19%Add
TWO SIGMA INVESTMENTS, LP
0.01%0.03%#73$8.4M558,409$35.7M1.9M-1.3M-70.05%Reduce
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#93$8.1M533,837$6.4M331,916+201,921+60.83%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#118$7.4M491,103$9.0M471,658+19,445+4.12%Add
Aberdeen Group plc
0.01%0.01%#63$6.7M441,738$8.3M434,027+7,711+1.78%Add
Jump Financial, LLC
0.05%#29$6.1M404,400$00+404,400New Buy
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#189$6.0M395,054$7.2M373,224+21,830+5.85%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#177$5.8M387,358$5.6M293,649+93,709+31.91%Add
FRONTIER CAPITAL MANAGEMENT CO LLC
0.05%0.08%#27$5.7M380,458$7.6M397,209-16,751-4.22%Reduce
BARCLAYS PLC
<0.01%<0.01%#142$5.6M370,429$10.6M553,636-183,207-33.09%Reduce
JPMORGAN CHASE & CO
<0.01%<0.01%#196$5.5M349,652$6.9M349,792-140-0.04%Reduce
TUDOR INVESTMENT CORP ET AL
0.01%<0.01%#68$5.5M362,708$1.5M78,999+283,709+359.13%Add
DAFNA Capital Management LLC
1.02%1.55%#7$5.4M355,208$6.8M355,20800.00%Unchanged
Bank of New York Mellon Corp
<0.01%<0.01%#150$5.3M352,161$6.4M336,291+15,870+4.72%Add
PRINCIPAL FINANCIAL GROUP INC
<0.01%<0.01%#100$5.1M335,094$6.4M331,541+3,553+1.07%Add
Invesco Ltd.
<0.01%<0.01%#188$4.8M321,128$5.6M294,052+27,076+9.21%Add
Y-Intercept (Hong Kong) Ltd
0.09%0.03%#21$4.7M314,653$1.5M77,879+236,774+304.03%Add
Alberta Investment Management Corp
0.03%#41$4.7M313,700$00+313,700New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow