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Equibles

EBS

Emergent BioSolutions Inc.

Company with tickers: EBS

CIK
1367644
CUSIP
29089Q105
Shares Outstanding
51,596,296
13F Activity (30d)
142 filings 138 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 190
Total Value: $360,574,783
Total Shares: 43,442,758
Showing 1–100 of 195 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 190 13F filers · Δ vs Dec 31, 2025
Top Holder
10.0%
Jun 2023 → Mar 2026 · range 8.8% – 22.9%
+0.3 pts
Top 5
33.7%
Jun 2023 → Mar 2026 · range 30.5% – 50.7%
−3.9 pts
Top 10
48.6%
Jun 2023 → Mar 2026 · range 48.5% – 64.1%
−6.2 pts
HHI
347
Jun 2023 → Mar 2026 · range 345 – 801
Broadly held −60

Quarterly Activity

vs Dec 31, 2025
New
35
Increased
70
Decreased
54
Sold Out
29
Unchanged
31
Holder count: +6
Institutional value: -33.7%
Shares held: -1.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega AQR CAPITAL MANAGEMENT LLC +511,648 989,677
Mega DIMENSIONAL FUND ADVISORS LP +504,553 2,757,158
Large PRUDENTIAL FINANCIAL INC +358,880 448,815
Mega TWO SIGMA INVESTMENTS, LP +318,628 577,128
Mega MILLENNIUM MANAGEMENT LLC +294,327 532,001

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small OAK HILL ADVISORS LP −2,500,000 1,113,338
Large Jain Global LLC −743,707 198,984
Mega JANE STREET GROUP, LLC −427,942 200,115
Mega MORGAN STANLEY −413,160 744,536
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −303,573 260,239

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,257,995 $18,741,358
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 1,117,278 $9,273,407
Small Prosight Management, LP 639,118 $5,304,679
Mega VANGUARD FIDUCIARY TRUST CO 345,121 $2,864,504
Mega Vanguard Global Advisers, LLC 154,169 $1,279,602

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 3,553,999 $43,927,426
Micro Coppell Advisory Solutions LLC 161,307 $1,993,754
Large Brandywine Global Investment Management, LLC 130,310 $1,610,631
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 54,835 $677,760
Small SIERRA SUMMIT ADVISORS LLC 48,460 $598,965
Filter: New 35 Increased 70 Reduced 54 Sold out 29 Unchanged 31
Showing 100 of 195
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $36,034,132 9.99% 4,341,462
Mega STATE STREET CORP $23,652,518 6.56% 2,849,701
Mega DIMENSIONAL FUND ADVISORS LP $22,884,410 6.35% 2,757,158
Mega AMERICAN CENTURY COMPANIES INC $20,133,492 5.58% 2,425,722
Mega VANGUARD CAPITAL MANAGEMENT LLC $18,741,358 5.20% 2,257,995
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $12,500,422 3.47% 1,506,075
Large ACADIAN ASSET MANAGEMENT LLC $11,467,479 3.18% 1,381,624
Mega GEODE CAPITAL MANAGEMENT, LLC $10,565,144 2.93% 1,272,909
Mid PALISADE CAPITAL MANAGEMENT, LP $9,970,980 2.77% 1,201,323
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $9,273,407 2.57% 1,117,278
Small OAK HILL ADVISORS LP $9,240,705 2.56% 1,113,338
Mega D. E. Shaw & Co., Inc. $8,332,469 2.31% 1,003,912
Mega AQR CAPITAL MANAGEMENT LLC $8,214,315 2.28% 989,677
Large LSV ASSET MANAGEMENT $7,442,610 2.06% 896,700
Mega GOLDMAN SACHS GROUP INC $6,735,947 1.87% 811,560
Small Prescott Group Capital Management, L.L.C. $6,413,999 1.78% 772,771
Mega MORGAN STANLEY $6,179,646 1.71% 744,536
Large RENAISSANCE TECHNOLOGIES LLC $5,445,190 1.51% 656,047
Large Connor, Clark & Lunn Investment Management Ltd. $5,381,529 1.49% 648,377
Small Prosight Management, LP $5,304,679 1.47% 639,118
Mega NORTHERN TRUST CORP Bank $4,987,568 1.38% 600,912
Large MARSHALL WACE, LLP $4,795,191 1.33% 577,734
Mega TWO SIGMA INVESTMENTS, LP $4,790,162 1.33% 577,128
Mega MILLENNIUM MANAGEMENT LLC $4,415,608 1.22% 532,001
Large Trexquant Investment LP $4,351,133 1.21% 524,233
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $4,265,403 1.18% 513,904
Large Allianz Asset Management GmbH $3,897,397 1.08% 469,566
Large FEDERATED HERMES, INC. $3,787,447 1.05% 456,319
Large PRUDENTIAL FINANCIAL INC $3,725,164 1.03% 448,815
Mid Ancora Advisors LLC $3,396,915 0.94% 409,267
Mega UBS Group AG $3,263,758 0.91% 393,224
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $3,066,874 0.85% 369,503
Mega BNP PARIBAS ARBITRAGE, SA $2,936,780 0.81% 353,829
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,864,504 0.79% 345,121
Large Russell Investments Group, Ltd. $2,787,952 0.77% 335,898
Small Values First Advisors, Inc. $2,555,404 0.71% 307,880
Large Squarepoint Ops LLC $2,485,426 0.69% 299,449
Large HRT FINANCIAL LP $2,290,243 0.64% 275,933
Small GLOBEFLEX CAPITAL L P $2,002,773 0.56% 241,298
Large Cetera Investment Advisers $1,871,508 0.52% 225,483
Small Morse Asset Management, Inc $1,840,931 0.51% 221,799
Mega Bank of New York Mellon Corp Bank $1,784,855 0.50% 215,043
Large Jain Global LLC $1,651,567 0.46% 198,984
Mega DEUTSCHE BANK AG\ Bank $1,548,871 0.43% 186,611
Mega BANK OF AMERICA CORP /DE/ Bank $1,522,576 0.42% 183,443
Mega Invesco Ltd. $1,514,375 0.42% 182,455
Mid WOLVERINE ASSET MANAGEMENT LLC $1,451,943 0.40% 174,933
Mega FRANKLIN RESOURCES INC $1,344,126 0.37% 161,943
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,322,190 0.37% 159,300
Mid Susquehanna Portfolio Strategies, LLC $1,298,476 0.36% 156,443
Mega Vanguard Global Advisers, LLC $1,279,602 0.35% 154,169
Mega FMR LLC $1,277,269 0.35% 153,888
Mega WELLINGTON MANAGEMENT GROUP LLP $1,255,341 0.35% 151,246
Large CREDIT AGRICOLE S A $1,214,290 0.34% 146,300
Large STATE OF WISCONSIN INVESTMENT BOARD $1,044,704 0.29% 125,868
Mega JANE STREET GROUP, LLC $973,714 0.27% 117,315
Large FULLER & THALER ASSET MANAGEMENT, INC. $937,153 0.26% 112,910
Small SILVER OAK SECURITIES, INCORPORATED Broker-Dealer $885,610 0.25% 106,700
Mega Nuveen, LLC $880,189 0.24% 106,047
Mid SEGALL BRYANT & HAMILL, LLC $879,634 0.24% 105,980
Large Universal- Beteiligungs- und Servicegesellschaft mbH $802,610 0.22% 96,700
Large Rafferty Asset Management, LLC $707,151 0.20% 85,199
Small Palumbo Wealth Management LLC $666,191 0.18% 80,264
Large TRUIST FINANCIAL CORP $614,473 0.17% 74,033
Mega CITADEL ADVISORS LLC $613,370 0.17% 73,900
Mega JANE STREET GROUP, LLC $588,470 0.16% 70,900
Large LOS ANGELES CAPITAL MANAGEMENT LLC $576,758 0.16% 69,489
Mega RHUMBLINE ADVISERS $566,209 0.16% 68,218
Mid MARTINGALE ASSET MANAGEMENT L P $552,398 0.15% 66,554
Mega LPL Financial LLC $552,057 0.15% 66,513
Mid EVOLVE PRIVATE WEALTH, LLC $545,758 0.15% 65,754
Mid RITHOLTZ WEALTH MANAGEMENT $541,724 0.15% 65,268
Small JAMES INVESTMENT RESEARCH, INC. $514,292 0.14% 61,963
Mid Sanctuary Advisors, LLC $508,267 0.14% 61,237
Small OXFORD ASSET MANAGEMENT LLP $478,395 0.13% 57,638
Large Assenagon Asset Management S.A. $468,576 0.13% 56,455
Mid Aquatic Capital Management LLC $461,861 0.13% 55,646
Mega CITADEL ADVISORS LLC $450,690 0.12% 54,300
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $435,750 0.12% 52,500
Large IEQ CAPITAL, LLC $426,063 0.12% 51,333
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $402,043 0.11% 48,439
Mega ALLIANCEBERNSTEIN L.P. $375,492 0.10% 45,240
Large Man Group plc $375,160 0.10% 45,200
Large SG Americas Securities, LLC Broker-Dealer $351,870 0.10% 42,394
Mega PRICE T ROWE ASSOCIATES INC /MD/ $351,812 0.10% 42,387
Large Mariner, LLC $341,088 0.09% 41,095
Mid PROFUND ADVISORS LLC $315,972 0.09% 38,069
Large CWM, LLC $280,017 0.08% 33,737
Mid Cornerstone Investment Partners, LLC $279,046 0.08% 33,620
Large Creative Planning $278,415 0.08% 33,544
Mid Brevan Howard Capital Management LP $270,687 0.08% 32,613
Mega ENVESTNET ASSET MANAGEMENT INC $266,122 0.07% 32,063
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $259,499 0.07% 31,265
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $255,449 0.07% 30,777
Mega WELLS FARGO & COMPANY/MN $247,860 0.07% 29,863
Small Keystone Financial Group $238,940 0.07% 28,788
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $232,400 0.06% 28,000
Mega BANK OF MONTREAL /CAN/ Bank $227,685 0.06% 27,432
Small L2 Asset Management, LLC $213,990 0.06% 25,782
Large MetLife Investment Management, LLC $209,467 0.06% 25,237

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