13F Insight
DOSSIER · 13F Holders · Q2 2026
RAPP

RAPPORT THERAPEUTICS INC

167 institutions still hold RAPPORT THERAPEUTICS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 75383L102·167 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.8B
visible holders
Holders
167
filers reporting
Concentration
16.96%
FMR LLC #1
top holder share
AI Holders Summary · Q2 2026

PSP Research LLC and Catalyst Private Wealth kept their combined 24,000 shares in Rapport Therapeutics completely untouched during Q2 2026, maintaining a steady foundation as top holder Swedbank expanded its lead. Swedbank added 4,200 shares ($175k flow) to control 55% of total institutional value.

Key Institutional Buyers

  • Swedbank AB: Added 4,200 shares (+3.7%, +$175k flow) to reach 117,400 shares ($4.89M total value).
  • Ellsworth Advisors: Established a major new 24,539-share position ($980k), becoming the second-largest institutional holder.
  • Police & Firemen’s Retirement System of NJ: Added 1,563 shares (+20.9%, +$65.1k flow) to reach 9,034 shares ($376k).
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Top holders

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

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$299M7.2M0.01%Q2 202602
TRV GP V, LLC
CIK 0001990717
$262M6.3M52.53%Q2 202603
ARCH Venture Management, LLC
CIK 0001274403
$155M3.7M14.12%Q2 202604
Capital International Investors
CIK 0001562230
$122M2.9M0.03%Q2 202605
GOLDMAN SACHS GROUP INC
CIK 0000886982
$121M2.9M0.01%Q2 202606
BlackRock, Inc.
CIK 0002012383
$113M2.7M0.00%Q2 202607
Cormorant Asset Management, LP
CIK 0001583977
$111M2.7M5.67%Q2 202608
Sofinnova Investments, Inc.
CIK 0001631134
$79M1.9M4.10%Q2 202609
JOHNSON & JOHNSON
CIK 0000200406
$74M1.8M9.31%Q2 202610
Polar Capital Holdings Plc
CIK 0001837309
$67M1.6M0.16%Q2 202611
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$56M1.3M0.00%Q2 202612
BAKER BROS. ADVISORS LP
CIK 0001263508
$47M1.5M0.27%Q4 202513
Vestal Point Capital, LP
CIK 0001974915
$45M1.4M1.26%Q1 202614
TRV GP VI, LLC
CIK 0001990716
$40M969K17.39%Q2 202615
STATE STREET CORP
CIK 0000093751
$34M819K0.00%Q2 202616
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$33M793K0.00%Q2 202617
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$27M866K0.00%Q1 202618
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$27M644K0.00%Q2 202619
Siren, L.L.C.
CIK 0002005245
$27M641K0.54%Q2 202620
Capital World Investors
CIK 0001422849
$23M552K0.00%Q2 2026
Page 1 of 9
147 more holders available. Log in →
Insiders at RAPPORT THERAPEUTICS INC
Ceesay Abraham →Yeleswaram Krishnaswamy →Maraganore John →Paul Steven M →Perez Robert J →Huber Reid M →Healy James →Silva Paul M →