Who owns Ruddy Marcella K.?

No ownership or control links for Ruddy Marcella K. are resolved in the current sources yet — view the network graph to expand, or pull the cited JSON dossier.

What is Ruddy Marcella K.'s risk level?

WhiteIntel flags Ruddy Marcella K. as medium risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does Ruddy Marcella K. appear across sources?

Ruddy Marcella K. is indexed in the WhiteIntel corporate-ownership graph (US), with a source on every claim.

LIVE · CORPUS

Dossier

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Ruddy Marcella K.

Name: Ruddy Marcella K. — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, Ruddy Marcella K., Person, US

Medium

PersonUS

View network JSON / MCPsample

SnakeScore · reading…

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The finding

Controls or directs 6 companies in the resolved graph.

/01

Key facts

Risk signal

Controls: 6 companies
Risk: Medium
Jurisdiction: US

Medium

Risk

Ruddy Marcella K. controls or directs 6 companies (US).

/02

Control & directorships

Links are shown as observed in a source registry — we do not currently hold ownership end dates, so a link here may since have ended. Each row carries its source; check it before relying on currency.

Controlled by

None in current sources.

Directorships & controlled companies

Ruddy Marcella K.
- Sionna Therapeutics, Inc.· director· via SEC EDGAR (Form 3/4/5)
- Tectonic Therapeutic, Inc.· officer· via SEC EDGAR (Form 3/4/5)
- Upstream Bio, Inc.· director· via SEC EDGAR

/03

Directorship network

179 other roles

Where this entity’s officers also hold (or held) positions — the wider network reached through shared people. Roles are registry records, not a claim of control.

Sionna Therapeutics, Inc.

RA CAPITAL MANAGEMENT, L.P.10% owner
Shah Rajeev M.10% owner
RA Capital Nexus Fund, L.P.director
RA Capital Nexus Fund III, L.P.director
RA Capital Healthcare Fund LP10% owner
Kolchinsky Peter10% owner
TPG GP A, LLC10% owner
WINKELRIED JON10% owner
COULTER JAMES G10% owner
OrbiMed Capital GP VIII LLCdirector
ORBIMED ADVISORS LLCdirector
Viney Joanne L.director
Ridloff Elenaofficer
Cloonan Michaelofficer
Atlas Venture Fund XI, L.P.10% owner
Atlas Venture Associates XI, LLC10% owner
Atlas Venture Associates Opportunity II, LP10% owner
Atlas Venture Associates Opportunity II, LLC10% owner
Atlas Venture Opportunity Fund II, L.P.10% owner
Atlas Venture Associates XI, L.P.10% owner
Thompson Peter A.director
Booth Brucedirector
McKee Charlotteofficer
TPG GP A, LLC10% owner
WINKELRIED JON10% owner
COULTER JAMES G10% owner
Stelzer Lauriedirector
ORBIMED ADVISORS LLCdirector
OrbiMed Capital GP VIII LLCdirector
McKee Charlotteofficer
Iancovici Luciandirector
Atlas Venture Associates Opportunity II, LLC10% owner
Atlas Venture Associates XI, L.P.10% owner
Atlas Venture Associates Opportunity II, LP10% owner
Atlas Venture Associates XI, LLC10% owner
Atlas Venture Fund XI, L.P.10% owner
Atlas Venture Opportunity Fund II, L.P.10% owner
Cloonan Michaelofficer
Kolchinsky Peter10% owner
RA Capital Nexus Fund III, L.P.director
Shah Rajeev M.10% owner
RA CAPITAL MANAGEMENT, L.P.10% owner
RA Capital Nexus Fund, L.P.director
RA Capital Healthcare Fund LP10% owner
Thompson Peter A.director
Viney Joanne L.director
Resnick Joshuadirector
Fleming Harold Edwarddirector
Clancy Paul Jdirector
Ridloff Elenaofficer
Booth Brucedirector
Kolchinsky Peterdirector
RA Capital Nexus Fund III, L.P.director
RA Capital Nexus Fund, L.P.director
RA Capital Healthcare Fund LPdirector
Booth Brucedirector
Shah Rajeev M.director
RA CAPITAL MANAGEMENT, L.P.director
Kolchinsky Petertenpercentowner
Clancy Paul Jdirector
Viney Joanne L.director
ORBIMED ADVISORS LLCdirector
Resnick Joshuadirector
RA CAPITAL MANAGEMENT, L.P.tenpercentowner
Stelzer Lauriedirector
RA Capital Healthcare Fund LPtenpercentowner
Thompson Peter A.director
OrbiMed Capital GP VIII LLCdirector
Fleming Harold Edwarddirector
Shah Rajeev M.tenpercentowner
TPG GP A, LLCtenpercentowner
WINKELRIED JONtenpercentowner
COULTER JAMES Gtenpercentowner
Cloonan Michaeldirector
Ridloff Elenaofficer
FITZPATRICK JENNIFERofficer
McKee Charlotteofficer
BEER CAROLINE STARKofficer
Cloonan Michaelofficer
Atlas Venture Associates XI, L.P.tenpercentowner
Atlas Venture Opportunity Fund II, L.P.tenpercentowner
Atlas Venture Associates Opportunity II, LLCtenpercentowner
Atlas Venture Fund XI, L.P.tenpercentowner
Atlas Venture Associates XI, LLCtenpercentowner
Iancovici Luciandirector
Atlas Venture Associates Opportunity II, LPtenpercentowner

Tectonic Therapeutic, Inc.

SPRINGER TIMOTHY A10% owner
Lochner Danielofficer
Schwabish Marcofficer
McNamara Peterofficer
Lochner Danielofficer
REICIN ALISEofficer
Schwabish Marcofficer
SPRINGER TIMOTHY Adirector
REICIN ALISEdirector
Lochner Danielofficer
SPRINGER TIMOTHY Atenpercentowner
NADER FRANCOISdirector
TIPIRNENI PRAVEEN P.director
VITOROVIC STEFANdirector
CHUTTER JESSICA CAROLINEdirector
DONENBERG PHILIP Bdirector
REICIN ALISEofficer
Schwabish Marcofficer
McNamara Peterofficer
MCGUIRE TERRANCEdirector
CORTIS CHRISTIANofficer
Leonard Braden Michaeltenpercentowner
Leonard Braden Michaelother
RIDHA ESSRAofficer
Ostrowski Erikofficer
GOLIPOUR AZADEHofficer
AVRUCH STEVENofficer
CLARK IAN Tdirector
PAIGE CHRISTOPHERdirector
Jenkins Annalisadirector
Booth Brucedirector
FARFEL GAIL Mdirector
VICKERS PHILIP J.director
MACKAY GEOFFREYdirector
MACKAY GEOFFREYofficer
PETERSEN DEANNA Mofficer
ESCOLAR DIANAofficer
MASON CHRISTOPHERofficer
ATLAS VENTURE ASSOCIATES X, L.P.tenpercentowner
VOLCK BIRGITTEofficer
ATLAS VENTURE ASSOCIATES X, LLCtenpercentowner
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, LLCother
ATLAS VENTURE FUND X, L.P.tenpercentowner
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, L.P.other
ATLAS VENTURE OPPORTUNITY FUND I, L.P.other
CLARUS VENTURES III GP, L.P.tenpercentowner
CLARUS LIFESCIENCES III, L.P.tenpercentowner
SCHWARZMAN STEPHEN Atenpercentowner
Blackstone Holdings I/II GP L.L.C.tenpercentowner
BLACKSTONE HOLDINGS II L.P.tenpercentowner
SVLSF VI, LLCtenpercentowner
SV LIFE SCIENCES FUND VI STRATEGIC PARTNERS, L.P.tenpercentowner
SV LIFE SCIENCES FUND VI, L.P.tenpercentowner
SV LIFE SCIENCES FUND VI (GP), L.P.tenpercentowner
Blackstone Inc.tenpercentowner
BLACKSTONE CLARUS III L.L.C.tenpercentowner
Blackstone Group Management L.L.C.tenpercentowner
KREHER NERISSAofficer
Dorton Katinaofficer
REQUADT SCOTTdirector
CLARUS VENTURES III, LLCtenpercentowner
Resnick Joshuadirector

Upstream Bio, Inc.

Sutherland Everett Randofficer
GRAY MICHAELofficer
Houghton Adamofficer
Deykin Aaronofficer
Ambrose Allisonofficer
RATCLIFFE LIAMdirector
GRAY MICHAELofficer
Fleming Harold Edwarddirector
Houghton Adamofficer
Sutherland Everett Randofficer
Beckman Danielladirector
Deykin Aaronofficer
Sutherland Everett Randdirector
Ambrose Allisonofficer
RENAUD RONALD C JRdirector
CHIMOVITS EREZdirector
CHIMOVITS EREZtenpercentowner
AI BIOTECHNOLOGY LLCtenpercentowner
AI UPSTREAM LLCtenpercentowner
OrbiMed Capital GP VIII LLCtenpercentowner
ORBIMED ADVISORS ISRAEL II LTDdirector
OrbiMed Capital GP VIII LLCdirector
BLAVATNIK LENtenpercentowner
ACCESS INDUSTRIES MANAGEMENT, LLCtenpercentowner
ORBIMED ADVISORS LLCdirector
ORBIMED ADVISORS LLCtenpercentowner
ORBIMED ISRAEL GP II, L.P.tenpercentowner
ACCESS INDUSTRIES HOLDINGS LLCtenpercentowner
ORBIMED ADVISORS ISRAEL II LTDtenpercentowner
Wellington Biomedical Innovation Master Investors (Cayman) II L.P.tenpercentowner
ORBIMED ISRAEL GP II, L.P.director

Community intel

Crowd leads · unverified

Tips, corrections and leads contributed by the community on Ruddy Marcella K.. These are unverified leads, not WhiteIntel findings — we surface them for investigators to chase, and analyse the corroborated ones into SnakeScore.

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