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Emergent BioSolutions Inc.

EBS
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001367644

No open-market purchases or sales by Emergent BioSolutions Inc. insiders were filed in the last 90 days; 194 institutions reported holding it in 13F filings for Q2 2026, worth $373.6M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Emergent BioSolutions Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
183
+17 vs. Q3 2025
Shares held
43.4M
+1.76M (+4.2%) vs. Q3 2025
Total value
$536.5M
+$184.4M (+52.4%) vs. Q3 2025
New holders
42
60 more added
Sold out
25
52 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting EBS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 183 institutions
Q1 2021: 340 institutionsQ2 2021: 290 institutionsQ3 2021: 277 institutionsQ4 2021: 254 institutionsQ1 2022: 254 institutionsQ2 2022: 233 institutionsQ3 2022: 211 institutionsQ4 2022: 198 institutionsQ1 2023: 192 institutionsQ2 2023: 183 institutionsQ3 2023: 163 institutionsQ4 2023: 134 institutionsQ1 2024: 121 institutionsQ2 2024: 141 institutionsQ3 2024: 140 institutionsQ4 2024: 156 institutionsQ1 2025: 161 institutionsQ2 2025: 161 institutionsQ3 2025: 169 institutionsQ4 2025: 183 institutionsQ1 2026: 190 institutionsQ2 2026: 194 institutions
Value heldQ4 2025: $536.5M
Q1 2021: $4.14BQ2 2021: $2.82BQ3 2021: $2.23BQ4 2021: $1.86BQ1 2022: $1.72BQ2 2022: $1.28BQ3 2022: $852.4MQ4 2022: $545.8MQ1 2023: $465.3MQ2 2023: $336.2MQ3 2023: $140.8MQ4 2023: $98.2MQ1 2024: $90.8MQ2 2024: $207.5MQ3 2024: $264.5MQ4 2024: $332.0MQ1 2025: $176.1MQ2 2025: $240.9MQ3 2025: $352.5MQ4 2025: $536.5MQ1 2026: $360.7MQ2 2026: $373.6M
Institutions holding EBS and their total value by quarter
QuarterHoldersValue
Q2 2026194$373.6M
Q1 2026190$360.7M
Q4 2025183$536.5M
Q3 2025169$352.5M
Q2 2025161$240.9M
Q1 2025161$176.1M
Q4 2024156$332.0M
Q3 2024140$264.5M
Q2 2024141$207.5M
Q1 2024121$90.8M
Q4 2023134$98.2M
Q3 2023163$140.8M
Q2 2023183$336.2M
Q1 2023192$465.3M
Q4 2022198$545.8M
Q3 2022211$852.4M
Q2 2022233$1.28B
Q1 2022254$1.72B
Q4 2021254$1.86B
Q3 2021277$2.23B
Q2 2021290$2.82B
Q1 2021340$4.14B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Emergent BioSolutions Inc.; share changes are against Q3 2025.

Institutions holding EBS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Weiss Asset Management LP37,785$467.0K0.01%+37,785New
Price T Rowe Associates Inc38,983$482.0K0.00%−1,458−3.6%Reduced
AdvisorShares Investments LLC39,900$493.2K0.08%+39,900New
SG Americas Securities, LLC40,529$501.0K0.00%+25,207+164.5%Added
Harbor Capital Advisors, Inc.40,859$505.0K0.04%+19,684+93.0%Added
Jump Financial, LLC42,142$520.9K0.01%−271,858−86.6%Reduced
Two Sigma Advisers, LP45,400$561.1K0.00%+2,200+5.1%Added
Sierra Summit Advisors LLC48,460$599.0K0.09%+48,460New
Alliancebernstein L.P.52,060$643.5K0.00%+32,980+172.9%Added
Arrowstreet Capital, Limited Partnership54,835$677.8K0.00%+21,128+62.7%Added
Assenagon Asset Management S.A.57,805$714.5K0.00%+1,350+2.4%Added
Martingale Asset Management L P57,848$715.0K0.02%+886+1.6%Added
BNP Paribas Arbitrage, SA60,361$746.1K0.00%+49,419+451.6%Added
James Investment Research Inc61,899$765.1K0.08%+61,899New
Rhumbline Advisers68,665$848.7K0.00%−12,193−15.1%Reduced
Wells Fargo & Company69,211$855.4K0.00%+17,107+32.8%Added
Los Angeles Capital Management LLC70,918$910.6K0.00%−63,982−47.4%Reduced
Franklin Resources Inc78,945$975.8K0.00%+1,764+2.3%Added
LPL Financial LLC80,100$990.0K0.00%+47,935+149.0%Added
Rafferty Asset Management, LLC89,018$1.10M0.00%−5,203−5.5%Reduced
Prudential Financial Inc89,935$1.11M0.00%−48,215−34.9%Reduced
Susquehanna Fundamental Investments, LLC95,070$1.18M0.04%00.0%Unchanged
Universal- Beteiligungs- und Servicegesellschaft mbH96,700$1.20M0.00%00.0%Unchanged
Campbell & CO Investment Adviser LLC100,504$1.24M0.06%+55,896+125.3%Added
Silver Oak Securities, Inc106,700$1.30M0.09%00.0%Unchanged
Nuveen, LLC105,378$1.30M0.00%−8,761−7.7%Reduced
Segall Bryant & Hamill, LLC105,980$1.31M0.02%+25,131+31.1%Added
Ritholtz Wealth Management108,920$1.35M0.02%+108,920New
Fuller & Thaler Asset Management, Inc.110,160$1.36M0.00%−1,900−1.7%Reduced
Palumbo Wealth Management LLC117,121$1.45M0.36%+68,925+143.0%Added
FMR LLC118,311$1.46M0.00%−69,863−37.1%Reduced
Credit Agricole S A125,000$1.54M0.00%+125,000New
Brandywine Global Investment Management, LLC130,310$1.61M0.01%−5,100−3.8%Reduced
Bank of America Corp146,944$1.82M0.00%+57,442+64.2%Added
Barclays PLC154,892$1.91M0.00%−25,258−14.0%Reduced
Susquehanna Portfolio Strategies, LLC156,443$1.93M0.03%00.0%Unchanged
Coppell Advisory Solutions LLC161,307$1.96M0.20%+161,307New
Wellington Management Group LLP168,643$2.08M0.00%−15,462−8.4%Reduced
Ancora Advisors, LLC170,469$2.11M0.04%+170,469New
Wolverine Asset Management LLC174,933$2.16M0.03%00.0%Unchanged
Squarepoint Ops LLC178,295$2.20M0.00%+5,498+3.2%Added
Deutsche Bank AG181,744$2.25M0.00%+1,941+1.1%Added
Invesco Ltd.206,002$2.55M0.00%−174,278−45.8%Reduced
Truist Financial Corp219,452$2.71M0.00%−49,842−18.5%Reduced
Cetera Investment Advisers219,483$2.71M0.00%+3,489+1.6%Added
Morse Asset Management, Inc229,308$2.83M0.57%+11,383+5.2%Added
Citadel Advisors LLC232,019$2.87M0.00%−107,632−31.7%Reduced
Millennium Management LLC237,674$2.94M0.00%+159,850+205.4%Added
Globeflex Capital L P241,298$2.98M0.46%00.0%Unchanged
Bank of New York Mellon Corp244,512$3.02M0.00%+91,174+59.5%Added
Two Sigma Investments, LP258,500$3.20M0.00%−2,831−1.1%Reduced
Russell Investments Group, Ltd.269,965$3.34M0.00%+106,252+64.9%Added
Allianz Asset Management GmbH290,701$3.59M0.00%+10,894+3.9%Added
Trexquant Investment LP301,689$3.73M0.03%−224,599−42.7%Reduced
Values First Advisors, Inc.305,046$3.77M1.96%−62,873−17.1%Reduced
HRT Financial LP311,784$3.85M0.01%+311,784New
UBS Group AG347,805$4.30M0.00%−91,570−20.8%Reduced
O'Shaughnessy Asset Management, LLC373,902$4.62M0.03%+225,918+152.7%Added
Susquehanna International Group, LLP377,712$4.67M0.01%+98,759+35.4%Added
Jane Street Group, LLC395,457$4.89M0.01%+395,457New
Federated Hermes, Inc.434,774$5.37M0.01%+33,516+8.4%Added
AQR Capital Management LLC478,029$5.91M0.00%−108,217−18.5%Reduced
New York State Common Retirement Fund522,004$6.45M0.01%00.0%Unchanged
Renaissance Technologies LLC577,147$7.13M0.01%+58,900+11.4%Added
Northern Trust Corp580,622$7.18M0.00%−57,210−9.0%Reduced
D. E. Shaw & Co., Inc.723,217$8.94M0.01%+402,050+125.2%Added
Goldman Sachs Group Inc740,100$9.15M0.00%+119,123+19.2%Added
Marshall Wace, LLP743,455$9.19M0.01%−168,933−18.5%Reduced
Prescott Group Capital Management, L.L.C.772,771$9.55M0.89%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.777,999$9.62M0.03%−354,306−31.3%Reduced
LSV Asset Management901,000$11.1M0.02%+36,500+4.2%Added
Jain Global LLC942,691$11.7M0.11%+433,984+85.3%Added
Acadian Asset Management LLC1,110,682$13.7M0.02%−66,979−5.7%Reduced
Morgan Stanley1,157,696$14.3M0.00%+628,821+118.9%Added
Geode Capital Management, LLC1,250,010$15.5M0.00%−28,683−2.2%Reduced
Palisade Capital Management LLC1,265,766$15.6M0.46%−160,253−11.2%Reduced
Charles Schwab Investment Management Inc1,618,903$20.0M0.00%+237,153+17.2%Added
Dimensional Fund Advisors LP2,252,605$27.8M0.01%+112,265+5.2%Added
American Century Companies Inc2,439,439$30.2M0.02%+57,061+2.4%Added
State Street Corp2,696,375$33.3M0.00%+250,616+10.2%Added
Vanguard Group Inc3,553,999$43.9M0.00%+13,329+0.4%Added
Oak Hill Advisors LP3,613,338$44.7M7.29%00.0%Unchanged
BlackRock, Inc.4,254,397$52.6M0.00%−8,726−0.2%Reduced
Pacer Advisors, Inc.0$00.00%−536,655−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−167,057−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−139,806−100.0%Sold out
Hilltop Holdings Inc.0$00.00%−60,861−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−51,072−100.0%Sold out
Advantage Alpha Capital Partners LP0$00.00%−45,936−100.0%Sold out
Man Group plc0$00.00%−30,376−100.0%Sold out
State of Wyoming0$00.00%−26,732−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−21,757−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−17,117−100.0%Sold out
Aegis Wealth Management LLC0$00.00%−15,150−100.0%Sold out
Omers Administration Corp0$00.00%−14,700−100.0%Sold out
Advyzon Investment Management, LLC0$00.00%−13,800−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−13,322−100.0%Sold out
STRS Ohio0$00.00%−13,100−100.0%Sold out
PFG Investments, LLC0$00.00%−11,495−100.0%Sold out
Avidian Wealth Solutions, LLC0$00.00%−10,440−100.0%Sold out