13FBOX
IRHYTHM HOLDINGS INC · 13F Institutional Holdings
Options Calculator Rankings

IRHYTHM HOLDINGS INC

IRTC
Institutions
305
Combined AUM (Q2 2026)
$4.25B
Combined Shares (Q2 2026)
35.7M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+5.2M
165 · 47 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-4.4M
137 · 47 Exit · ≈
⚖️ Net
+896,018
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$4.25B
Institutions
305
New Buys
47
Adds
118
Reduces
90
Exits
47
Unchanged
50
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
0.01%0.01%#127$355.1M3.0M$323.6M2.7M+244,162+8.91%Add
RTW INVESTMENTS, LP
2.22%1.96%#3$259.6M2.2M$196.9M1.7M+514,131+30.81%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
0.01%0.01%#97$227.7M1.9M$212.0M1.8M+117,604+6.55%Add
Artisan Partners Limited Partnership
0.31%0.27%#22$197.5M1.7M$171.2M1.5M+209,400+14.43%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#148$174.0M1.5M$170.6M1.4M+17,501+1.21%Add
MILLENNIUM MANAGEMENT LLC
0.06%0.08%#59$167.3M1.4M$197.2M1.7M-264,060-15.81%Reduce
FMR LLC
0.01%0.01%#120$141.8M1.2M$160.7M1.4M-169,937-12.48%Reduce
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.02%0.03%#77$112.4M944,517$123.6M1.0M-102,935-9.83%Reduce
GEODE CAPITAL MANAGEMENT, LLC
0.01%0.01%#123$104.9M881,899$96.5M817,110+64,789+7.93%Add
EVENTIDE ASSET MANAGEMENT, LLC
1.4%1.48%#9$104.7M880,338$89.8M760,825+119,513+15.71%Add
BNP Paribas Asset Management Holding S.A.
0.1%#40$103.1M866,528$00+866,528New Buy
STATE STREET CORP
<0.01%<0.01%#157$101.9M856,517$93.0M788,302+68,215+8.65%Add
Holocene Advisors, LP
0.21%0.36%#29$93.2M783,636$147.4M1.2M-465,022-37.24%Reduce
JPMORGAN CHASE & CO
<0.01%0.01%#130$90.9M766,216$81.6M714,896+51,320+7.18%Add
Stephens Investment Management Group LLC
0.88%0.91%#12$82.5M693,437$66.3M561,530+131,907+23.49%Add
FULLER & THALER ASSET MANAGEMENT, INC.
0.22%0.27%#28$81.5M685,496$79.6M674,698+10,798+1.60%Add
BRAIDWELL LP
2.88%2.4%#2$77.8M654,262$72.0M610,192+44,070+7.22%Add
D. E. Shaw & Co., Inc.
0.04%0.04%#66$76.1M639,586$66.6M564,366+75,220+13.33%Add
MANUFACTURERS LIFE INSURANCE COMPANY, THE
0.05%0.04%#61$66.8M561,251$46.1M390,577+170,674+43.70%Add
BLAIR WILLIAM & CO/IL
0.16%0.21%#32$62.4M524,690$74.2M628,385-103,695-16.50%Reduce
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#150$55.4M465,719$51.0M432,539+33,180+7.67%Add
Polar Capital Holdings Plc
0.13%0.18%#38$54.5M458,089$49.8M421,612+36,477+8.65%Add
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
0.02%0.04%#74$53.6M450,865$68.8M582,879-132,014-22.65%Reduce
SCHRODER INVESTMENT MANAGEMENT GROUP
0.04%0.02%#65$53.1M448,259$28.3M247,746+200,513+80.93%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#147$43.1M362,346$41.1M348,563+13,783+3.95%Add
LOOMIS SAYLES & CO L P
0.05%0.06%#60$41.4M347,959$43.4M367,894-19,935-5.42%Reduce
Capital Research Global Investors
0.01%0.01%#124$39.9M335,209$60.1M509,590-174,381-34.22%Reduce
Allspring Global Investments Holdings, LLC
0.06%0.09%#57$37.4M300,057$55.2M467,113-167,056-35.76%Reduce
NORTHERN TRUST CORP
<0.01%<0.01%#143$36.6M307,995$33.6M285,086+22,909+8.04%Add
JANE STREET GROUP, LLC
<0.01%<0.01%#159$36.0M302,762$15.5M131,264+171,498+130.65%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%0.01%#133$35.5M298,301$33.3M281,897+16,404+5.82%Add
AMERIPRISE FINANCIAL INC
0.01%0.01%#111$34.8M292,513$27.9M236,786+55,727+23.53%Add
WESTFIELD CAPITAL MANAGEMENT CO LP
0.11%#39$34.4M288,924$00+288,924New Buy
Point72 Asset Management, L.P.
0.04%0.09%#67$32.5M273,162$73.3M621,105-347,943-56.02%Reduce
Qube Research & Technologies Ltd
0.03%0.03%#73$32.3M271,624$26.8M226,884+44,740+19.72%Add
Rock Springs Capital Management LP
1.57%1.82%#8$32.1M269,650$30.9M261,750+7,900+3.02%Add
CITIGROUP INC
0.01%0.01%#98$29.7M249,404$27.4M232,123+17,281+7.44%Add
DEUTSCHE BANK AG\
0.01%0.01%#108$28.3M238,193$25.5M215,758+22,435+10.40%Add
VANGUARD FIDUCIARY TRUST CO
0.01%0.01%#119$28.1M235,963$26.4M223,699+12,264+5.48%Add
PERCEPTIVE ADVISORS LLC
0.4%0.24%#19$26.6M223,766$12.4M105,026+118,740+113.06%Add
FRED ALGER MANAGEMENT, LLC
0.09%0.15%#42$26.3M220,789$33.1M280,040-59,251-21.16%Reduce
OBERWEIS ASSET MANAGEMENT INC/
0.5%0.54%#17$24.0M202,004$18.4M156,004+46,000+29.49%Add
Ophir Asset Management Pty Ltd
1.97%4.62%#5$24.0M201,491$39.6M335,807-134,316-40.00%Reduce
BARCLAYS PLC
<0.01%0.01%#139$22.8M191,798$22.2M188,345+3,453+1.83%Add
NEXT CENTURY GROWTH INVESTORS LLC
1.18%1.47%#11$22.3M187,064$20.0M169,306+17,758+10.49%Add
BAMCO INC /NY/
0.03%0.07%#71$21.6M181,430$21.7M183,900-2,470-1.34%Reduce
SEI INVESTMENTS CO
0.02%0.02%#80$21.3M178,765$23.5M198,904-20,139-10.12%Reduce
First Light Asset Management, LLC
1.21%1.78%#10$19.9M167,092$19.8M168,116-1,024-0.61%Reduce
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
0.01%0.01%#113$19.7M165,998$19.7M166,637-639-0.38%Reduce
Prosight Management, LP
3.39%0.19%#1$19.7M165,500$1.2M10,000+155,500+1,555.00%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow