EMERGENT BIOSOLUTIONS INC (EBS) Institutional Shareholders
EMERGENT BIOSOLUTIONS INC (EBS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $363.65M in EBS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of EBS tracked by InsiderSet, reporting ownership valued at approximately $39.53M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $33.11M, representing an estimated loss of -16.23% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% of the total disclosed EBS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, State Street Corp, and several other long-term asset managers with concentrated positions in EMERGENT BIOSOLUTIONS INC (EBS).
This page ranks the largest institutional EBS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
190
Total Reported Value
$363.65M
Largest Holder
Blackrock, Inc.
Largest Position
$39.53M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
62
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 4,716,599 | $39,525,100 | $33,110,525 | -$6,414,575 | -16.23% | |
| Dimensional Fund Advisors Lp | 0.00% | 3,076,646 | $25,782,865 | $21,598,055 | -$4,184,810 | -16.23% | |
| State Street Corp | 0.00% | 2,929,238 | $24,556,367 | $20,563,251 | -$3,993,116 | -16.26% | |
| American Century Companies Inc | 0.01% | 2,770,448 | $23,216,354 | $19,448,545 | -$3,767,809 | -16.23% | |
| Vanguard Capital Management Llc | 0.00% | 2,198,839 | $18,426,271 | $15,435,850 | -$2,990,421 | -16.23% | |
| Lsv Asset Management | 0.03% | 1,695,851 | $14,211,000 | $11,904,874 | -$2,306,126 | -16.23% | |
| Acadian Asset Management Llc | 0.01% | 1,344,323 | $11,258,000 | $9,437,147 | -$1,820,853 | -16.17% | |
| Geode Capital Management, Llc | 0.00% | 1,337,243 | $11,208,910 | $9,387,446 | -$1,821,464 | -16.25% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,200,791 | $10,062,629 | $8,429,553 | -$1,633,076 | -16.23% | |
| Oak Hill Advisors Lp | 1.33% | 1,113,338 | $9,329,772 | $7,815,633 | -$1,514,139 | -16.23% | |
| Millennium Management Llc | 0.01% | 1,072,185 | $8,984,910 | $7,526,739 | -$1,458,171 | -16.23% | |
| Aqr Capital Management Llc | 0.00% | 1,041,151 | $8,724,846 | $7,308,880 | -$1,415,966 | -16.23% | |
| Goldman Sachs Group Inc | 0.00% | 1,035,421 | $8,676,828 | $7,268,655 | -$1,408,173 | -16.23% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,029,371 | $8,626,129 | $7,226,184 | -$1,399,945 | -16.23% | |
| D. E. Shaw & Co., Inc. | 0.00% | 900,108 | $7,542,905 | $6,318,758 | -$1,224,147 | -16.23% | |
| Russell Investments Group, Ltd. | 0.01% | 859,482 | $7,202,462 | $6,033,564 | -$1,168,898 | -16.23% | |
| Federated Hermes, Inc. | 0.01% | 831,125 | $6,964,828 | $5,834,498 | -$1,130,331 | -16.23% | |
| Prudential Financial Inc | 0.01% | 805,895 | $6,753,400 | $5,657,383 | -$1,096,017 | -16.23% | |
| Prescott Group Capital Management, L.L.C. | 0.56% | 772,771 | $6,475,821 | $5,424,852 | -$1,050,969 | -16.23% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 683,247 | $5,725,610 | $4,796,394 | -$929,216 | -16.23% |
| Northern Trust Corp | 0.00% | 621,473 | $5,207,944 | $4,362,740 | -$845,204 | -16.23% | |
| Allianz Asset Management Gmbh | 0.00% | 543,781 | $4,556,885 | $3,817,343 | -$739,542 | -16.23% | |
| Palisade Capital Management, Lp | 0.19% | 515,059 | $4,316,191 | $3,615,714 | -$700,477 | -16.23% | |
| New York State Common Retirement Fund | 0.01% | 513,904 | $4,306,516 | $3,607,606 | -$698,910 | -16.23% | |
| Two Sigma Investments, Lp | 0.00% | 488,284 | $4,091,820 | $3,427,754 | -$664,066 | -16.23% | |
| Morgan Stanley | 0.00% | 469,715 | $3,936,225 | $3,297,399 | -$638,826 | -16.23% | |
| Prosight Management, Lp | 0.66% | 459,952 | $3,854,398 | $3,228,863 | -$625,535 | -16.23% | |
| Trexquant Investment Lp | 0.02% | 447,858 | $3,753,050 | $3,143,963 | -$609,087 | -16.23% | |
| O'Shaughnessy Asset Management, Llc | 0.02% | 440,423 | $3,690,745 | $3,091,769 | -$598,976 | -16.23% | |
| Ubs Group Ag | 0.00% | 366,011 | $3,067,172 | $2,569,397 | -$497,775 | -16.23% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 353,983 | $2,966,378 | $2,484,961 | -$481,417 | -16.23% | |
| Vanguard Fiduciary Trust Co | 0.00% | 341,720 | $2,863,614 | $2,398,874 | -$464,740 | -16.23% | |
| Panagora Asset Management Inc | 0.01% | 329,060 | $2,757,523 | $2,310,001 | -$447,522 | -16.23% | |
| Values First Advisors, Inc. | 1.15% | 301,488 | $2,526,468 | $2,116,446 | -$410,022 | -16.23% | |
| Globeflex Capital L P | 0.26% | 241,298 | $2,022,077 | $1,693,912 | -$328,165 | -16.23% | |
| Bank Of New York Mellon Corp | 0.00% | 219,661 | $1,840,760 | $1,542,020 | -$298,740 | -16.23% | |
| Fmr Llc | 0.00% | 214,169 | $1,794,733 | $1,503,466 | -$291,267 | -16.23% | |
| Deutsche Bank Ag\ | 0.00% | 189,918 | $1,591,513 | $1,333,224 | -$258,289 | -16.23% | |
| Morse Asset Management, Inc | 0.25% | 183,334 | $1,536,339 | $1,287,005 | -$249,334 | -16.23% | |
| Wolverine Asset Management Llc | 0.02% | 174,933 | $1,465,939 | $1,228,030 | -$237,909 | -16.23% | |
| Y-Intercept (Hong Kong) Ltd | 0.03% | 165,879 | $1,390,066 | $1,164,471 | -$225,595 | -16.23% | |
| Aristeia Capital, L.L.C. | 0.02% | 161,753 | $1,355,490 | $1,135,506 | -$219,984 | -16.23% | |
| Bank Of America Corp | 0.00% | 152,219 | $1,275,596 | $1,068,577 | -$207,019 | -16.23% | |
| Wellington Management Group Llp | 0.00% | 151,966 | $1,273,476 | $1,066,801 | -$206,675 | -16.23% | |
| Squarepoint Ops Llc | 0.00% | 148,016 | $1,240,374 | $1,039,072 | -$201,302 | -16.23% | |
| Credit Agricole S A | 0.00% | 146,300 | $1,225,994 | $1,027,026 | -$198,968 | -16.23% | |
| Invesco Ltd. | 0.00% | 146,065 | $1,224,024 | $1,025,376 | -$198,648 | -16.23% | |
| Nomura Asset Management International Inc. | 0.00% | 122,700 | $1,028,000 | $861,354 | -$166,646 | -16.21% | |
| Nuveen, Llc | 0.00% | 114,334 | $958,119 | $802,625 | -$155,494 | -16.23% | |
| Fuller & Thaler Asset Management, Inc. | 0.00% | 112,965 | $946,647 | $793,014 | -$153,633 | -16.23% |
Frequently asked questions about EBS
Who owns the most EBS stock?
The largest holders of EBS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for EMERGENT BIOSOLUTIONS INC (EBS).
Is EBS widely held by superinvestors?
Many widely followed stocks like EBS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly EBS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.