13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield
RAPP

RAPPORT THERAPEUTICS INC

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

CUSIP 75383L102·155 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 0.9%
vs prior quarter
13F value held
$1.4B
72.0% inst. owned
of float
Holders
155
-128 QoQ
filers reporting
Activity
+67 / −110
+984 added · −802 reduced
this quarter
Concentration
16.10%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

155 institutions reported RAPP in Q1 2026. FMR LLC leads at 16.1% of the visible book. -128 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$224M7.2M0.01%Q1 202602
TRV GP V, LLC
CIK 0001990717
$223M7.1M55.68%Q1 202603
ARCH Venture Management, LLC
CIK 0001274403
$117M3.7M17.23%Q1 202604
Capital International Investors
CIK 0001562230
$97M3.1M0.02%Q1 202605
Cormorant Asset Management, LP
CIK 0001583977
$93M3.0M4.65%Q1 202606
GOLDMAN SACHS GROUP INC
CIK 0000886982
$92M2.9M0.01%Q1 202607
BlackRock, Inc.
CIK 0002012383
$78M2.5M0.00%Q1 202608
Sofinnova Investments, Inc.
CIK 0001631134
$60M1.9M2.26%Q1 202609
JOHNSON & JOHNSON
CIK 0000200406
$56M1.8M8.56%Q1 202610
Polar Capital Holdings Plc
CIK 0001837309
$51M1.6M0.18%Q1 202611
BAKER BROS. ADVISORS LP
CIK 0001263508
$47M1.5M0.27%Q4 202512
Vestal Point Capital, LP
CIK 0001974915
$45M1.4M1.26%Q1 202613
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$41M1.3M0.00%Q1 202614
TRV GP VI, LLC
CIK 0001990716
$30M969K22.37%Q1 202615
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$29M919K0.01%Q1 202616
STATE STREET CORP
CIK 0000093751
$24M760K0.00%Q1 202617
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$23M722K0.00%Q1 202618
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$22M728K0.01%Q1 202619
PERCEPTIVE ADVISORS LLC
CIK 0001224962
$21M674K0.41%Q1 202620
Siren, L.L.C.
CIK 0002005245
$20M641K0.56%Q1 2026
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