HolderBook

CENTESSA PHARMACEUTICALS PLC (CNTA)

Institutional ownership reported to the SEC as of Q2 2026, across 21 quarters.

1
Reporting holders
$231
Reported value
100.0%
Held as options
-158
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
SIMPLEX TRADING, LLC$231options only0.00%2qOPTIONS

Five percent filings

Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →

FiledFormFiler % of class
2026-08-1413G/APentwater Capital Management LPwith 1 co-filers0.0%
2026-08-1413G/AINDEX VENTURES LIFE VI (JERSEY) L.P.with 2 co-filers0.0%
2026-08-1213G/AAdage Capital Management, L.P.with 2 co-filers0.0%
2026-08-0413G/AMedicxi Growth I LPwith 9 co-filers0.0%
2026-07-0813G/AFMR LLCwith 1 co-filers0.0%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 20261$2310000100.0%
Q1 2026159$5.9B147,998,9755048440.9%
Q4 2025140$3.5B139,512,5413744440.5%
Q3 2025124$3.1B124,284,8232433501.7%
Q2 2025116$1.6B117,424,1141942370.7%
Q1 2025127$1.7B117,314,2583440350.8%
Q4 2024107$1.9B115,042,7621531350.2%
Q3 202498$1.6B100,248,7943041160.1%
Q2 202474$744.6M82,445,2581525170.0%
Q1 202463$848.9M75,097,724172560.0%
Q4 202354$545.2M68,469,975101590.0%
Q3 202346$452.9M69,976,191613100.0%
Q2 202340$412.9M66,691,68551270.0%
Q1 202337$246.3M63,975,52341270.0%
Q4 202236$223.9M60,944,45521050.0%
Q3 202242$300.4M74,754,08957130.0%
Q2 202240$350.3M71,831,75071290.0%
Q1 202243$669.1M74,581,598415130.0%
Q4 202147$807.8M71,874,085121870.0%
Q3 202139$947.5M56,915,301512120.0%
Q2 202149$1.0B47,409,92049000.0%