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RAPP

Rapport Therapeutics

124 hedge funds and large institutions have $1.46B invested in Rapport Therapeutics in 2025 Q3 according to their latest regulatory filings, with 51 funds opening new positions, 37 increasing their positions, 20 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

467% more first-time investments, than exits

New positions opened: 51 | Existing positions closed: 9

234% more capital invested

Capital invested by funds: $438M → $1.46B (+$1.03B)

85% more repeat investments, than reductions

Existing positions increased: 37 | Existing positions reduced: 20

51% more funds holding

Funds holding: 82124 (+42)

50% more funds holding in top 10

Funds holding in top 10: 46 (+2)

29.54% more ownership

Funds ownership: 105.47%135.01% (+30%)

17% more call options, than puts

Call options by funds: $7.6M | Put options by funds: $6.49M

Holders
124
Holders Change
+42
Holders Change %
+51.22%
% of All Funds
1.63%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
51
Increased
37
Reduced
20
Closed
9
Calls
$7.6M
Puts
$6.49M
Net Calls
+$1.11M
Net Calls Change
+$1.12M
Name Holding Trade Value Shares
Change
Change in
Stake
TGV
1
TRV GP V
Massachusetts
$212M
Fidelity Investments
2
Fidelity Investments
Massachusetts
$205M +$25.7M +1,442,362 +26%
AVM
3
Arch Venture Management
Illinois
$111M
Capital International Investors
4
Capital International Investors
California
$101M +$14.3M +800,000 +31%
CAM
5
Cormorant Asset Management
Massachusetts
$94.8M +$4.49M +251,600 +9%
Goldman Sachs
6
Goldman Sachs
New York
$71.9M +$21.2M +1,186,941 +96%
SI
7
Sofinnova Investments
California
$57.8M -$857K -48,015 -2%
JJ
8
Johnson & Johnson
New Jersey
$53M -$12.7M -713,534 -29%
Vanguard Group
9
Vanguard Group
Pennsylvania
$48.3M +$9.26M +519,047 +47%
BlackRock
10
BlackRock
New York
$46.6M +$6.22M +348,880 +29%
BBA
11
Baker Bros. Advisors
New York
$45.9M +$17.8M +997,000 +181%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$32.7M -$7.55M -423,128 -28%
SL
13
Siren LLC
Connecticut
$31.3M +$12M +675,000 +178%
TGV
14
TRV GP VI
Massachusetts
$28.8M
VPC
15
Vestal Point Capital
New York
$28.2M +$16.9M +950,000 New
PCH
16
Polar Capital Holdings
United Kingdom
$27.9M +$16.7M +938,952 New
UBS AM
17
UBS AM
Illinois
$26.5M +$11.6M +648,378 +266%
AllianceBernstein
18
AllianceBernstein
Tennessee
$25.4M -$5.33M -299,068 -26%
T. Rowe Price Investment Management
19
T. Rowe Price Investment Management
Maryland
$21M +$1.67M +93,689 +15%
UBS Group
20
UBS Group
Switzerland
$16.6M +$5.08M +284,566 +104%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$15.8M +$3.57M +200,244 +60%
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$13.4M +$8.03M +450,000 New
PA
23
Perceptive Advisors
New York
$12M +$7.21M +403,923 New
State Street
24
State Street
Massachusetts
$11M +$1.3M +72,918 +24%
Morgan Stanley
25
Morgan Stanley
New York
$8.15M +$3.66M +205,105 +295%

RAPP Hedge Fund Activity: Q3 2025 in Review

124 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Rapport Therapeutics (RAPP) for Q3 2025, worth a combined $1.46B — up 234% from $438M a quarter earlier.

Buyers outnumbered sellers: 51 funds opened new RAPP positions and 9 closed out — a net gain of 42 holders — while 37 added to existing stakes and 20 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $25.7M. The largest seller was Johnson & Johnson, cutting an estimated $12.7M.

  • 124 institutional investors held Rapport Therapeutics (RAPP) as of Q3 2025, up from 82 in Q2 2025.
  • Funds reported $1.46B of Rapport Therapeutics stock for Q3 2025, up 234% quarter-over-quarter.
  • 51 funds opened new Rapport Therapeutics positions in Q3 2025 and 9 closed out, a net change of +42 holders.
  • The largest Rapport Therapeutics buyer in Q3 2025 was Fidelity Investments, an estimated $25.7M added.
  • The largest Rapport Therapeutics seller in Q3 2025 was Johnson & Johnson, an estimated $12.7M sold.

Based on aggregated 13F filings for Q3 2025.