13FBOX
TRANSMEDICS GROUP INC · 13F Institutional Holdings
Options Calculator Rankings
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TRANSMEDICS GROUP INC

TMDX
Institutions
382
Combined AUM (Q2 2026)
$2.56B
Combined Shares (Q2 2026)
38.5M
Overall Trend
Increase
All institutions combined
Basis: holder count and combined value / shares merge all share classes of the same company (e.g. Class A / C); each institution is counted once, and value & shares are the sum across classes.
📥 Inflow (Q1 2026→Q2 2026)
+6.4M
210 institutions added · 68 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-5.4M
226 institutions reduced · 103 exits
Est. sell amount
⚖️ Net Share Change
+1.0M
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$2.56B
Institutions
382
New Buys
68
Adds
142
Reduces
123
Exits
103
Unchanged
49
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
0.01%0.01%#132$371.7M5.6M$526.2M5.3M+303,218+5.73%Add
FMR LLC
0.01%0.03%#91$341.0M5.1M$506.6M5.1M+37,085+0.73%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
0.01%0.01%#124$128.5M1.9M$190.8M1.9M+14,454+0.75%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#211$99.5M1.5M$146.9M1.5M+19,448+1.32%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
0.01%0.01%#106$95.8M1.4M$86.2M867,175+574,923+66.30%Add
STATE STREET CORP
<0.01%<0.01%#187$94.3M1.4M$131.2M1.3M+100,942+7.65%Add
CITADEL ADVISORS LLC
0.01%<0.01%#98$94.1M1.4M$22.7M228,601+1.2M+519.96%Add
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
0.09%0.15%#41$60.5M910,495$88.1M885,841+24,654+2.78%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%0.01%#174$59.5M894,913$83.4M839,155+55,758+6.64%Add
Tidal Investments LLC
0.09%#43$49.9M751,196$00+751,196New Buy
Hood River Capital Management LLC
0.36%0.7%#15$49.9M751,133$69.6M699,770+51,363+7.34%Add
JANE STREET GROUP, LLC
<0.01%<0.01%#167$40.9M615,300$8.5M85,100+530,200+623.03%Add
DIMENSIONAL FUND ADVISORS LP
0.01%0.01%#107$40.5M610,107$51.4M516,679+93,428+18.08%Add
BRAIDWELL LP
1.5%1.09%#4$40.5M609,715$32.7M329,391+280,324+85.10%Add
GOLDMAN SACHS GROUP INC
<0.01%0.01%#171$37.2M559,771$86.1M866,282-306,511-35.38%Reduce
EVENTIDE ASSET MANAGEMENT, LLC
0.49%0.9%#12$36.5M548,874$54.5M548,824+50+0.01%Add
WELLINGTON MANAGEMENT GROUP LLP
0.01%0.01%#122$34.3M515,973$48.4M486,473+29,500+6.06%Add
EMERALD ADVISERS, LLC
0.77%1.08%#9$32.6M490,491$34.1M342,791+147,700+43.09%Add
UBS Group AG
<0.01%0.01%#151$32.5M489,058$57.8M581,793-92,735-15.94%Reduce
MORGAN STANLEY
<0.01%<0.01%#232$26.9M405,112$61.5M547,819-142,707-26.05%Reduce
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
<0.01%0.02%#141$26.5M398,250$93.4M939,523-541,273-57.61%Reduce
Invesco Ltd.
<0.01%0.02%#215$26.2M394,979$103.2M1.0M-642,995-61.95%Reduce
CITIGROUP INC
0.01%0.02%#103$25.6M386,066$35.5M357,381+28,685+8.03%Add
Capital World Investors
<0.01%0.01%#178$25.5M384,671$37.2M374,177+10,494+2.80%Add
IMC-Chicago, LLC
0.01%0.01%#117$25.4M381,715$20.2M203,592+178,123+87.49%Add
NORTHERN TRUST CORP
<0.01%<0.01%#185$24.5M368,860$33.6M338,159+30,701+9.08%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#181$21.8M328,666$31.7M318,926+9,740+3.05%Add
WASATCH ADVISORS LP
0.13%0.23%#34$20.5M308,434$34.4M346,144-37,710-10.89%Reduce
ZEVENBERGEN CAPITAL INVESTMENTS LLC
0.47%0.82%#13$20.5M308,391$28.5M286,521+21,870+7.63%Add
EMERALD MUTUAL FUND ADVISERS TRUST
0.71%1.11%#10$20.1M302,074$22.8M229,326+72,748+31.72%Add
BAILLIE GIFFORD & CO
0.02%0.03%#87$17.8M267,935$30.3M305,194-37,259-12.21%Reduce
MILLENNIUM MANAGEMENT LLC
0.01%0.01%#121$17.5M263,012$31.0M311,880-48,868-15.67%Reduce
WELLS FARGO & COMPANY/MN
<0.01%0.01%#186$17.3M260,218$27.2M273,801-13,583-4.96%Reduce
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#246$17.1M257,001$29.3M295,176-38,175-12.93%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%0.01%#164$16.3M245,680$23.5M236,394+9,286+3.93%Add
PRINCIPAL FINANCIAL GROUP INC
0.01%0.01%#105$16.0M240,867$23.0M231,433+9,434+4.08%Add
BARCLAYS PLC
<0.01%<0.01%#180$15.8M237,615$18.9M190,578+47,037+24.68%Add
CONGRESS ASSET MANAGEMENT CO
0.09%#39$15.1M227,834$00+227,834New Buy
DEUTSCHE BANK AG\
<0.01%0.01%#148$14.4M217,031$19.4M195,433+21,598+11.05%Add
Point72 Asset Management, L.P.
0.02%<0.01%#88$14.1M211,794$1.2M12,300+199,494+1,621.90%Add
JPMORGAN CHASE & CO
<0.01%<0.01%#273$13.0M192,269$29.1M308,341-116,072-37.64%Reduce
Bank of New York Mellon Corp
<0.01%<0.01%#213$12.9M193,752$21.0M211,368-17,616-8.33%Reduce
FirstWave Capital Management LLC
5.27%2.71%#1$12.7M191,240$12.4M124,268+66,972+53.89%Add
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
0.13%0.2%#35$11.1M166,900$14.6M146,400+20,500+14.00%Add
HRT FINANCIAL LP
0.02%0.01%#78$11.0M165,106$3.3M33,102+132,004+398.78%Add
FRONTIER CAPITAL MANAGEMENT CO LLC
0.09%0.33%#40$10.0M150,162$31.9M320,471-170,309-53.14%Reduce
PUBLIC SECTOR PENSION INVESTMENT BOARD
0.02%0.04%#76$7.9M118,746$12.2M122,255-3,509-2.87%Reduce
OPPENHEIMER & CO INC
0.08%0.14%#49$7.4M110,752$11.3M113,472-2,720-2.40%Reduce
RENAISSANCE GROUP LLC
0.29%0.39%#19$7.2M108,157$9.3M93,543+14,614+15.62%Add
Bellevue Group AG
0.14%0.24%#31$6.7M101,139$10.1M101,13900.00%Unchanged

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow