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RAPP

Rapport Therapeutics

147 hedge funds and large institutions have $1.64B invested in Rapport Therapeutics in 2026 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 53 increasing their positions, 34 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

56% more repeat investments, than reductions

Existing positions increased: 53 | Existing positions reduced: 34

45% more call options, than puts

Call options by funds: $638K | Put options by funds: $441K

30% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 23

20% more funds holding in top 10

Funds holding in top 10: 56 (+1)

6% more capital invested

Capital invested by funds: $1.55B → $1.64B (+$91.6M)

2.61% more ownership

Funds ownership: 107.18%109.8% (+2.6%)

2% more funds holding

Funds holding: 144147 (+3)

Holders
147
Holders Change
+3
Holders Change %
+2.08%
% of All Funds
1.81%
Holding in Top 10
6
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+20%
% of All Funds
0.07%
New
30
Increased
53
Reduced
34
Closed
23
Calls
$638K
Puts
$441K
Net Calls
+$197K
Net Calls Change
-$118K
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$224M +$1.61M +57,074 +0.8%
TGV
2
TRV GP V
Massachusetts
$223M
AVM
3
Arch Venture Management
Illinois
$117M
Capital International Investors
4
Capital International Investors
California
$96.9M -$8.57M -304,556 -9%
CAM
5
Cormorant Asset Management
Massachusetts
$92.5M -$1.97M -70,000 -2%
Goldman Sachs
6
Goldman Sachs
New York
$92.1M -$1.68M -59,628 -2%
BlackRock
7
BlackRock
New York
$78.4M +$2.08M +74,093 +3%
SI
8
Sofinnova Investments
California
$59.6M
JJ
9
Johnson & Johnson
New Jersey
$55.8M
PCH
10
Polar Capital Holdings
United Kingdom
$51.4M +$17.9M +637,733 +63%
BBA
11
Baker Bros. Advisors
New York
$48.4M
VPC
12
Vestal Point Capital
New York
$44.9M +$9.18M +326,229 +29%
VCM
13
Vanguard Capital Management
Pennsylvania
$41.5M +$37.3M +1,325,082 New
TGV
14
TRV GP VI
Massachusetts
$30.3M
UBS AM
15
UBS AM
Illinois
$28.8M -$942K -33,505 -4%
T. Rowe Price Associates
16
T. Rowe Price Associates
Maryland
$27.1M -$426K -15,153 -2%
State Street
17
State Street
Massachusetts
$23.8M +$1.26M +44,731 +6%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$22.6M +$756K +26,888 +4%
AllianceBernstein
19
AllianceBernstein
Tennessee
$22.1M -$1.7M -60,568 -8%
PA
20
Perceptive Advisors
New York
$21.1M
SL
21
Siren LLC
Connecticut
$20.1M -$1.88M -67,000 -9%
T. Rowe Price Investment Management
22
T. Rowe Price Investment Management
Maryland
$19.4M +$44.2K +1,571 +0.3%
Capital World Investors
23
Capital World Investors
California
$16.8M +$15.1M +536,607 New
SCM
24
Sio Capital Management
New York
$11.5M +$5.11M +181,544 +98%
VPM
25
Vanguard Portfolio Management
Pennsylvania
$10M +$9.03M +320,909 New

RAPP Hedge Fund Activity: Q1 2026 in Review

147 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Rapport Therapeutics (RAPP) for Q1 2026, worth a combined $1.64B — up 5.9% from $1.55B a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new RAPP positions and 23 closed out — a net gain of 7 holders — while 53 added to existing stakes and 34 trimmed.

The largest buyer was Polar Capital Holdings, adding an estimated $17.9M. The largest seller was Capital International Investors, cutting an estimated $8.57M.

  • 147 institutional investors held Rapport Therapeutics (RAPP) as of Q1 2026, up from 144 in Q4 2025.
  • Funds reported $1.64B of Rapport Therapeutics stock for Q1 2026, up 5.9% quarter-over-quarter.
  • 30 funds opened new Rapport Therapeutics positions in Q1 2026 and 23 closed out, a net change of +7 holders.
  • The largest Rapport Therapeutics buyer in Q1 2026 was Polar Capital Holdings, an estimated $17.9M added.
  • The largest Rapport Therapeutics seller in Q1 2026 was Capital International Investors, an estimated $8.57M sold.

Based on aggregated 13F filings for Q1 2026.