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Emergent BioSolutions Inc.

EBS
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001367644

In the last 90 days, Emergent BioSolutions Inc. insiders filed 0 open-market purchases and 1 sale; 194 institutions reported holding it in 13F filings for Q2 2026, worth $373.6M in total; no superinvestor holds it.

Holders of 5% or more of EBS

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Emergent BioSolutions Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of EBS
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G7.30%3.98M sharesNewJul 17, 20251 filingJul 17, 2025SEC
State Street Corp13G5.10%2.70M sharesNewFeb 9, 20261 filingFeb 9, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on Emergent BioSolutions Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on EBS
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 26, 20266:02 PM ETVanguard Group Inc13G/A0.00%0 shares−6.76 ppfrom 6.76%Below 5%Mar 13, 2026SEC
Feb 9, 20266:33 AM ETState Street Corp13G5.10%2.70M sharesNewDec 31, 2025SEC
Jan 30, 20261:31 PM ETVanguard Group Inc13G/A6.76%3.55M shares–Dec 31, 2025SEC
Jul 17, 20257:54 PM ETBlackRock, Inc.13G7.30%3.98M sharesNewJun 30, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Emergent BioSolutions Inc. shares.

No Form 144 notices for Emergent BioSolutions Inc. are on file.