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 $332.77M 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 $36.03M in its March 31, 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 $31.35M, representing an estimated loss of -13.01% 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., State Street Corp, Dimensional Fund Advisors Lp, 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
181
Total Reported Value
$332.77M
Largest Holder
Blackrock, Inc.
Largest Position
$36.03M
Insider Transactions (90d)
5
Latest Filing Quarter
Q2 2026
New Institutional Positions
161
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% | 4,341,462 | $36,034,135 | $31,345,356 | -$4,688,779 | -13.01% | |
| State Street Corp | 0.00% | 2,849,701 | $23,652,518 | $20,574,841 | -$3,077,677 | -13.01% | |
| Dimensional Fund Advisors Lp | 0.00% | 2,757,158 | $22,883,646 | $19,906,681 | -$2,976,965 | -13.01% | |
| American Century Companies Inc | 0.01% | 2,425,722 | $20,133,492 | $17,513,713 | -$2,619,779 | -13.01% | |
| Vanguard Capital Management Llc | 0.00% | 2,257,995 | $18,741,359 | $16,302,724 | -$2,438,635 | -13.01% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,506,075 | $12,500,423 | $10,873,862 | -$1,626,562 | -13.01% | |
| Geode Capital Management, Llc | 0.00% | 1,272,909 | $10,567,751 | $9,190,403 | -$1,377,348 | -13.03% | |
| Palisade Capital Management, Lp | 0.33% | 1,201,323 | $9,970,978 | $8,673,552 | -$1,297,426 | -13.01% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,117,278 | $9,273,407 | $8,066,747 | -$1,206,660 | -13.01% | |
| Oak Hill Advisors Lp | 1.05% | 1,113,338 | $9,240,705 | $8,038,300 | -$1,202,405 | -13.01% | |
| D. E. Shaw & Co., Inc. | 0.01% | 1,003,912 | $8,332,470 | $7,248,245 | -$1,084,225 | -13.01% | |
| Aqr Capital Management Llc | 0.00% | 989,595 | $8,213,640 | $7,144,876 | -$1,068,764 | -13.01% | |
| Goldman Sachs Group Inc | 0.00% | 811,560 | $6,735,948 | $5,859,463 | -$876,485 | -13.01% | |
| Prescott Group Capital Management, L.L.C. | 0.64% | 772,771 | $6,413,999 | $5,579,407 | -$834,592 | -13.01% | |
| Morgan Stanley | 0.00% | 744,536 | $6,179,661 | $5,375,550 | -$804,111 | -13.01% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 656,047 | $5,445,190 | $4,736,659 | -$708,531 | -13.01% |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 648,377 | $5,381,529 | $4,681,282 | -$700,247 | -13.01% | |
| Prosight Management, Lp | 0.87% | 639,118 | $5,304,679 | $4,614,432 | -$690,247 | -13.01% | |
| Northern Trust Corp | 0.00% | 600,912 | $4,987,570 | $4,338,585 | -$648,985 | -13.01% | |
| Marshall Wace, Llp | 0.01% | 577,734 | $4,795,194 | $4,171,239 | -$623,955 | -13.01% | |
| Two Sigma Investments, Lp | 0.00% | 577,128 | $4,790,162 | $4,166,864 | -$623,298 | -13.01% | |
| Millennium Management Llc | 0.00% | 532,001 | $4,415,608 | $3,841,047 | -$574,561 | -13.01% | |
| Trexquant Investment Lp | 0.03% | 524,233 | $4,351,134 | $3,784,962 | -$566,172 | -13.01% | |
| New York State Common Retirement Fund | 0.01% | 513,904 | $4,306,516 | $3,710,387 | -$596,129 | -13.84% | |
| Allianz Asset Management Gmbh | 0.00% | 469,566 | $3,897,398 | $3,390,267 | -$507,131 | -13.01% | |
| Federated Hermes, Inc. | 0.01% | 456,319 | $3,787,448 | $3,294,623 | -$492,825 | -13.01% | |
| Prudential Financial Inc | 0.00% | 448,815 | $3,725,165 | $3,240,444 | -$484,721 | -13.01% | |
| Ubs Group Ag | 0.00% | 393,224 | $3,263,760 | $2,839,077 | -$424,683 | -13.01% | |
| O'Shaughnessy Asset Management, Llc | 0.02% | 369,503 | $3,066,875 | $2,667,812 | -$399,063 | -13.01% | |
| Bnp Paribas Financial Markets | 0.00% | 353,829 | $2,936,781 | $2,554,645 | -$382,136 | -13.01% | |
| Vanguard Fiduciary Trust Co | 0.00% | 345,121 | $2,864,504 | $2,491,774 | -$372,730 | -13.01% | |
| Russell Investments Group, Ltd. | 0.00% | 335,898 | $2,787,955 | $2,425,184 | -$362,771 | -13.01% | |
| Values First Advisors, Inc. | 1.16% | 4,178 | $2,526,468 | $30,165 | -$2,496,303 | -98.81% | |
| Squarepoint Ops Llc | 0.01% | 299,449 | $2,485,427 | $2,162,022 | -$323,405 | -13.01% | |
| Globeflex Capital L P | 0.30% | 241,298 | $2,002,773 | $1,742,172 | -$260,601 | -13.01% | |
| Cetera Investment Advisers | 0.00% | 225,483 | $1,871,509 | $1,627,987 | -$243,522 | -13.01% | |
| Morse Asset Management, Inc | 0.38% | 221,799 | $1,840,932 | $1,601,389 | -$239,543 | -13.01% | |
| Bank Of New York Mellon Corp | 0.00% | 215,043 | $1,784,857 | $1,552,610 | -$232,247 | -13.01% | |
| Jain Global Llc | 0.02% | 198,984 | $1,651,567 | $1,436,664 | -$214,903 | -13.01% | |
| Deutsche Bank Ag\ | 0.00% | 186,611 | $1,548,871 | $1,347,331 | -$201,540 | -13.01% | |
| Bank Of America Corp | 0.00% | 183,443 | $1,522,577 | $1,324,458 | -$198,119 | -13.01% | |
| Invesco Ltd. | 0.00% | 182,455 | $1,514,376 | $1,317,325 | -$197,051 | -13.01% | |
| Wolverine Asset Management Llc | 0.02% | 174,933 | $1,451,944 | $1,263,016 | -$188,928 | -13.01% | |
| Y-Intercept (Hong Kong) Ltd | 0.03% | 165,879 | $1,390,066 | $1,197,646 | -$192,420 | -13.84% | |
| Franklin Resources Inc | 0.00% | 161,943 | $1,344,127 | $1,169,228 | -$174,899 | -13.01% | |
| Susquehanna Portfolio Strategies, Llc | 0.02% | 156,443 | $1,298,477 | $1,129,518 | -$168,959 | -13.01% | |
| Vanguard Global Advisers, Llc | 0.00% | 154,169 | $1,279,603 | $1,113,100 | -$166,503 | -13.01% | |
| Fmr Llc | 0.00% | 153,888 | $1,277,267 | $1,111,071 | -$166,196 | -13.01% | |
| Wellington Management Group Llp | 0.00% | 151,246 | $1,255,342 | $1,091,996 | -$163,346 | -13.01% | |
| Credit Agricole S A | 0.00% | 146,300 | $1,214,290 | $1,056,286 | -$158,004 | -13.01% |
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.