Security Snapshot

Emergent BioSolutions Inc. - Common Stock (EBS) Institutional Ownership

CUSIP: 29089Q105

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

187

Shares (Excl. Options)

43,019,489

Price

$8.30

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Type / Class
Equity / Common Stock
Symbol
EBS on NYSE
Shares outstanding
51,688,294
Price per share
$8.81
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
43,019,489
Total reported value
$357,221,859
% of total 13F portfolios
0%
Share change
-884,300
Value change
-$10,793,292
Number of holders
187
Price from insider filings
$8.81
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • EBS - Emergent BioSolutions Inc. - Common Stock is tracked under CUSIP 29089Q105.
  • 187 institutions reported positions in Q1 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 182 to 187 between Q4 2025 and Q1 2026.
  • Reported value moved from $536,520,249 to $357,221,859.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 187 institutions filings for Q1 2026.

Open SEC Evidence

Security key

29089Q105

Latest holder period

Q1 2026

13F holders

187

13D/G owners

4

CIK / CUSIP context first

Open Q1 2026 holders EBS full holder history Emergent BioSolutions Inc. SEC filings Emergent BioSolutions Inc. company facts Emergent BioSolutions Inc. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
EBS
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 7.3% $25,376,673 3,977,535 BlackRock, Inc. 30 Jun 2025
DIMENSIONAL FUND ADVISORS LP 5.3% $22,887,169 2,757,158 Dimensional Fund Advisors LP 31 Mar 2026
STATE STREET CORP 5.1% $33,408,086 2,696,375 STATE STREET CORPORATION 31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC 5% $21,622,247 2,605,090 Vanguard Capital Management 31 Mar 2026

As of 31 Mar 2026, 187 institutional investors reported holding 43,019,489 shares of Emergent BioSolutions Inc. - Common Stock (EBS). This represents 83% of the company’s total 51,688,294 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
62%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 8.4% 4,341,462 +2% 0% $36,034,135
STATE STREET CORP 5.5% 2,849,701 +5.7% 0% $23,652,518
DIMENSIONAL FUND ADVISORS LP 5.3% 2,757,158 +22% 0% $22,883,646
AMERICAN CENTURY COMPANIES INC 4.7% 2,425,722 -0.56% 0.01% $20,133,492
VANGUARD CAPITAL MANAGEMENT LLC 4.4% 2,257,995 0% 0% $18,741,359
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.9% 1,506,075 -7% 0% $12,500,423
ACADIAN ASSET MANAGEMENT LLC 2.7% 1,381,624 +24% 0.02% $11,460,000
GEODE CAPITAL MANAGEMENT, LLC 2.5% 1,272,909 +1.8% 0% $10,567,751
PALISADE CAPITAL MANAGEMENT, LP 2.3% 1,201,323 -5.1% 0.33% $9,970,978
VANGUARD PORTFOLIO MANAGEMENT LLC 2.2% 1,117,278 0% 0% $9,273,407
OAK HILL ADVISORS LP 2.2% 1,113,338 -69% 1.1% $9,240,705
D. E. Shaw & Co., Inc. 1.9% 1,003,912 +39% 0.01% $8,332,470
AQR CAPITAL MANAGEMENT LLC 1.9% 989,677 +107% 0% $8,214,321
LSV ASSET MANAGEMENT 1.7% 896,700 -0.48% 0.02% $7,443,000
GOLDMAN SACHS GROUP INC 1.6% 811,560 +9.7% 0% $6,735,948
Prescott Group Capital Management, L.L.C. 1.5% 772,771 0% 0.64% $6,413,999
MORGAN STANLEY 1.4% 744,535 -36% 0% $6,179,646
RENAISSANCE TECHNOLOGIES LLC 1.3% 656,047 +14% 0.01% $5,445,190
Connor, Clark & Lunn Investment Management Ltd. 1.3% 648,377 -17% 0.01% $5,381,529
Prosight Management, LP 1.2% 639,118 0.87% $5,304,679
NORTHERN TRUST CORP 1.2% 600,912 +3.5% 0% $4,987,570
MARSHALL WACE, LLP 1.1% 577,734 -22% 0.01% $4,795,194
TWO SIGMA INVESTMENTS, LP 1.1% 577,128 +123% 0% $4,790,162
MILLENNIUM MANAGEMENT LLC 1% 532,001 +124% 0% $4,415,608
Trexquant Investment LP 1% 524,233 +74% 0.03% $4,351,134

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
49
Latest
Q1 2026
Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 43,019,489 $357,221,859 -$10,793,292 $8.30 187
2025 Q4 43,409,290 $536,520,249 +$24,748,817 $12.36 182
2025 Q3 41,696,734 $352,475,753 +$19,667,092 $8.82 167
2025 Q2 36,048,259 $229,963,501 +$8,627,423 $6.38 159
2025 Q1 36,190,861 $175,869,555 +$2,175,881 $4.86 158
2024 Q4 34,731,466 $332,026,231 +$28,116,282 $9.56 155
2024 Q3 31,685,912 $264,526,545 +$30,958,222 $8.35 137
2024 Q2 30,424,097 $207,508,937 -$26,587,800 $6.82 137
2024 Q1 35,915,952 $90,810,710 -$12,044,764 $2.53 115
2023 Q4 40,884,124 $98,125,874 -$3,033,553 $2.40 129
2023 Q3 41,326,491 $140,783,681 -$26,266,322 $3.40 159
2023 Q2 45,670,504 $335,708,725 +$1,389,547 $7.35 177
2023 Q1 44,931,082 $465,319,997 -$16,940,760 $10.36 187
2022 Q4 46,237,482 $546,050,427 +$42,157,405 $11.81 193
2022 Q3 40,630,823 $852,783,613 -$48,608,549 $20.99 192
2022 Q2 41,191,389 $1,278,322,431 -$19,204,360 $31.04 217
2022 Q1 41,761,849 $1,714,987,525 -$22,633,768 $41.06 234
2021 Q4 42,514,559 $1,849,372,320 -$107,864,716 $43.47 243
2021 Q3 44,511,870 $2,228,860,734 -$18,391,350 $50.07 270
2021 Q2 44,739,294 $2,817,444,749 -$43,662,628 $62.99 286
2021 Q1 44,459,246 $4,122,801,151 +$64,719,540 $92.91 334
2020 Q4 44,267,661 $3,967,537,088 +$93,758,805 $89.60 350
2020 Q3 42,899,052 $4,434,039,819 -$189,544,769 $103.33 355
2020 Q2 53,497,347 $4,185,752,138 +$625,343,109 $79.08 295
2020 Q1 44,884,797 $2,596,632,152 +$7,885,727 $57.86 257
2019 Q4 44,601,650 $2,406,425,656 -$6,082,616 $53.95 232
2019 Q3 44,748,551 $2,338,743,757 -$21,935,074 $52.28 241
2019 Q2 45,520,096 $2,198,644,219 +$64,447,863 $48.31 229
2019 Q1 44,845,040 $2,265,671,390 +$80,862,293 $50.52 265
2018 Q4 43,083,866 $2,553,149,934 +$34,101,099 $59.28 293
2018 Q3 42,429,433 $2,792,382,193 +$14,853,355 $65.83 269
2018 Q2 42,572,970 $2,149,894,709 +$23,723,394 $50.49 257
2018 Q1 42,080,510 $2,209,520,816 +$57,029,193 $52.65 270
2017 Q4 40,397,491 $1,878,364,516 +$151,859,986 $46.47 234
2017 Q3 37,088,695 $1,500,432,961 +$64,446,291 $40.45 193
2017 Q2 35,621,344 $1,199,488,524 +$6,414,221 $33.91 179
2017 Q1 35,579,837 $1,033,330,673 +$100,066,486 $29.04 173
2016 Q4 35,742,013 $1,173,028,889 -$3,279,137 $32.84 204
2016 Q3 35,869,477 $1,129,692,915 -$1,485,647 $31.53 197
2016 Q2 36,161,934 $1,016,934,072 +$82,512,424 $28.12 215
2016 Q1 33,583,921 $1,221,359,935 +$19,065,121 $36.35 211
2015 Q4 32,446,135 $1,298,005,471 +$24,674,059 $40.01 202
2015 Q3 32,168,577 $916,516,058 +$35,690,135 $28.49 191
2015 Q2 31,043,093 $1,022,845,909 +$25,560,178 $32.95 181
2015 Q1 30,395,864 $874,182,011 +$38,137,574 $28.76 169
2014 Q4 29,096,913 $792,405,069 -$719,286 $27.23 163
2014 Q3 28,825,281 $614,994,160 -$30,742 $21.31 158
2014 Q2 28,744,311 $645,587,994 -$436,657 $22.46 157
2014 Q1 28,580,751 $722,288,209 +$89,513,027 $25.27 163
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