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RAPP

Rapport Therapeutics
RAPP

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: 5 → 6 (+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: 144 → 147 (+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

Top Buyers

1
PCH
Polar Capital Holdings
United Kingdom
+$17.9M
2
Capital World Investors
Capital World Investors
California
+$15.1M
3
VPC
Vestal Point Capital
New York
+$9.18M
4
CS
Candriam SCA
Luxembourg
+$5.23M
5
SCM
Sio Capital Management
New York
+$5.11M

Top Sellers

1
Capital International Investors
Capital International Investors
California
-$8.57M
2
Prudential Financial
Prudential Financial
New Jersey
-$3.94M
3
Renaissance Technologies
Renaissance Technologies
New York
-$3.07M
4
Invesco
Invesco
Georgia
-$2.68M
5
EI
EAM Investors
California
-$2.6M
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
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