Latest Period
Q1 2026
Security Snapshot
Emergent BioSolutions Inc. - Common Stock (EBS) Institutional Ownership
CUSIP: 29089Q105
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
188
Shares (Excl. Options)
43,435,680
Price
$8.30
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- Security type / class
- Equity / Common Stock
- Symbol
- EBS on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 43,435,680
- Total 13F value
- $360,675,859
- Portfolio coverage rank
- 0%
- Share change
- -468,109
- Value change
- -$7,339,292
- Number of holders
- 188
- Shares outstanding
- 51,688,294
- SEC-reported price per share
- $8.45
- Insider filing price
- $8.45
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- EBS - Emergent BioSolutions Inc. - Common Stock is tracked under CUSIP 29089Q105.
- 188 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 182 to 188 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $536,520,249 to $360,675,859.
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
Open SEC evidence
Latest holder context comes from 188 institutions filings for Q1 2026.
Security key
29089Q105
Latest holder period
Q1 2026
13F holders
188
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
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 29089Q105:
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, 188 institutional investors reported holding 43,435,680 shares of Emergent BioSolutions Inc. - Common Stock (EBS). This represents 84% 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
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 43,435,680 | $360,675,859 | -$7,339,292 | $8.30 | 188 |
| 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 |