Rapport Therapeutics
RAPP
30.86
-0.29
-0.93%
Rapport Therapeutics
US · RAPP
#2970 by market cap
Listed 2024
30.86
-0.29
-0.93%
Live - 5344 symbols - heartbeat 31s ago
· 2026-10-08 07:00
Pre-market
31.71
+2.75%
After-hours
30.86
0.00%
Overnight
30.86
0.00%
- Market cap
- 1.48B
- P/E (TTM)i
- -10.18
- P/Bi
- 3.50
- EPSi
- -2.86
- Div yieldi
- 0.00%
- 52W posi
- 24%
Reader sentiment
Are you bullish or bearish on RAPP?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Mixed / stable
- Total institutional ownership (as a % of shares) was little changed.
Institutional ownership
- Held by institutions
- 107.82% -0.04pp
- Institutions
- 187
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund54.13%
VC/PE Fund33.97%
Hedge Fund14.16%
Public Company4.47%
Individual/Insider4.06%
Private Company0.43%
Insurance Company0.39%
Government Pension Fund0.22%
Top holders as of 2026-06-30
Third Rock Ventures, LLC
15.11% · 7.25M sh
FMR
14.95% · 7.17M sh
Arch Venture Partners, L.P.
7.77% · 3.73M sh
Capital Research
7.24% · 3.47M sh
BlackRock
5.63% · 2.70M sh
Cormorant Asset Management, LP
5.54% · 2.66M sh
Sofinnova Investments, Inc.
3.97% · 1.90M sh
Johnson & Johnson Innovation - JJDC, Inc.
3.72% · 1.78M sh
The Goldman Sachs Group, Inc.
3.47% · 1.66M sh
Polar Capital Holdings Plc
3.35% · 1.61M sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 16 buys · 34 sells
| Name | Role | Stake |
|---|---|---|
| Third Rock Ventures, LLC | -- | 15.11% |
| Abraham Ceesay | CEO, President, Treasurer & Director | 1.17% |
| Steven Paul | Founder & Independent Chairman | 1.08% |
| David Bredt | Founder, Chief Scientific Officer & Director | 0.82% |
| Swamy Yeleswaram | Chief Development Officer | 0.41% |
| Cheryl Gault | Chief Operating Officer | 0.28% |
| Bradley Galer | Chief Medical Officer | 0.23% |
| Reid Huber | Director | 0.04% |
| Troy Ignelzi | Chief Financial Officer | 0.02% |
| Wendy Young | Officer | 0.01% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-29 | Cheryl Gault | Chief Operating Officer | Automatic Disposition | -10,000 | $33.04–33.76 |
| 2026-09-22 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -2,210 | $39.05–41.05 |
| 2026-09-07 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -8,210 | $45.56–46.01 |
| 2026-08-24 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -18,921 | $49.57 |
| 2026-08-24 | Swamy Yeleswaram | Chief Development Officer | Automatic Disposition | -50,160 | $50.00–51.06 |
| 2026-08-18 | Swamy Yeleswaram | Chief Development Officer | Automatic Disposition | -404 | $49.90 |
| 2026-08-10 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -51,499 | $45.97–48.62 |
| 2026-07-26 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -2,210 | $42.11–42.74 |
| 2026-07-13 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -8,210 | $39.72–40.57 |
| 2026-06-29 | Cheryl Gault | Chief Operating Officer | Automatic Disposition | -10,000 | $40.09–43.15 |
| 2026-06-28 | Abraham Ceesay | CEO, President, Treasurer & Director | Automatic Disposition | -8,220 | $39.77–40.34 |
| 2026-06-09 | John Michael Maraganore | Independent Director | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | James Healy | Independent Director | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | Steven Paul | Founder & Independent Chairman | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | Robert Perez | Director | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | Paul Silva | Director | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | Reid Huber | Director | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | Raymond Sanchez | Director | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-06-09 | Wendy Young | Officer | Other Derivative Acquisition | +15,200 | $35.21 |
| 2026-05-25 | Third Rock Ventures, LLC | -- | Automatic Disposition | -18,572 | $40.05 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 07:00:02 · For reference only, not investment advice and not tailored to your situation.