13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
TNGX

TANGO THERAPEUTICS INC

205 institutions still hold TANGO THERAPEUTICS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 87583X109·205 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 3.6%
vs prior quarter
13F value held
$2.8B
50.0% inst. owned
of float
Holders
205
-12 QoQ
filers reporting
Activity
+86 / −6
+926 added · −851 reduced
this quarter
Concentration
9.97%
RTW INVESTMENTS, LP #1
top holder share
AI Holders Summary · Q1 2026

205 institutions reported TNGX in Q1 2026. RTW INVESTMENTS, LP leads at 10.0% of the visible book. -12 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RTW INVESTMENTS, LP
CIK 0001493215
$278M13.3M2.77%Q1 202602
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$268M12.8M0.41%Q1 202603
Boxer Capital Management, LLC
CIK 0002018299
$228M10.9M29.87%Q1 202604
TCG Crossover Management, LLC
CIK 0001839948
$220M10.5M6.30%Q1 202605
FMR LLC
CIK 0000315066
$207M9.9M0.01%Q1 202606
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
$190M9.1M1.08%Q1 202607
BlackRock, Inc.
CIK 0002012383
$183M8.7M0.00%Q1 202608
Woodline Partners LP
CIK 0001784547
$167M8.0M0.63%Q1 202609
TRV GP IV, LLC
CIK 0001688325
$133M6.4M49.96%Q1 202610
Siren, L.L.C.
CIK 0002005245
$118M5.7M3.28%Q1 202611
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$108M5.2M0.00%Q1 202612
GOLDMAN SACHS GROUP INC
CIK 0000886982
$106M5.1M0.01%Q1 202613
STATE STREET CORP
CIK 0000093751
$97M4.7M0.00%Q1 202614
Paradigm Biocapital Advisors LP
CIK 0001855655
$84M4.0M1.71%Q1 202615
Holocene Advisors, LP
CIK 0001700574
$82M3.9M0.20%Q1 202616
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$80M3.8M0.10%Q1 202617
Nextech Invest, Ltd.
CIK 0001595430
$64M7.3M6.22%Q4 202518
Logos Global Management LP
CIK 0001792126
$63M3.0M3.13%Q1 202619
Deep Track Capital, LP
CIK 0001856083
$58M2.8M0.94%Q1 202620
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$56M2.7M0.00%Q1 2026
Page 1 of 11
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