London’s FTSE 250 was down 0.2% at 23,005.58 in afternoon trade on Wednesday.
Trustpilot tumbled after shareholders placed around 41m shares, or a 10% stake, in the online review company.
According to Bloomberg, holders Draper Esprit, Index Ventures, Northzone, Seed Capital, Sunley House Capital Management and Vitruvian Partners placed the shares, at around 345p each.
Travel stocks were under the cosh, with Tui, easyJet and Wizz all weaker.
Going the other way, property group Shaftesbury advanced after it said footfall and occupancy levels are continuing to recover.
FTSE 250 – Risers
Coats Group (COA) 69.30p 3.43%
Wood Group (John) (WG.) 235.00p 3.25%
Syncona Limited NPV (SYNC) 181.40p 3.07%
Centrica (CNA) 60.02p 2.60%
Hochschild Mining (HOC) 147.30p 2.58%
Oxford Biomedica (OXB) 1,546.00p 2.25%
Shaftesbury (SHB) 608.50p 2.18%
Quilter (QLT) 148.35p 1.99%
Ninety One (N91) 264.60p 1.93%
Airtel Africa (AAF) 98.30p 1.92%
FTSE 250 – Fallers
Trustpilot Group (TRST) 339.60p -10.30%
TUI AG Reg Shs (DI) (TUI) 231.50p -5.01%
Draper Esprit (GROW) 965.00p -4.46%
easyJet (EZJ) 587.60p -4.17%
SSP Group (SSPG) 242.00p -3.82%
Wizz Air Holdings (WIZZ) 4,304.00p -3.52%
Rank Group (RNK) 163.20p -3.43%
C&C Group (CDI) (CCR) 245.80p -3.30%
Reach (RCH) 333.50p -3.05%
Hammerson (HMSO) 32.40p -2.94%
