BIOGEN INC. (BIIB) — Institutional Holders, Q2 2026 (page 6)
1,048 institutional investment managers reported a BIIB position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $30.7B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 501 to 600. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.
BIIB 13F holders ranked 501–600 of 1,048
| # | Institution | Shares | Value | % of portfolio | QoQShares vs Q1 2026 |
|---|---|---|---|---|---|
| 501 | USA FINANCIAL FORMULAS#501 · 3,548 sh | 3,548 | $766.6K | 0.14% | — |
| 502 | Mount Yale Investment Advisors#502 · 3,519 sh | 3,519 | $760.3K | 0.01% | -5.5% |
| 503 | Pavaki Capital Management#503 · 3,500 sh | 3,500 | $756.2K | — | 0.0% |
| 504 | SYON CAPITAL#504 · 3,492 sh | 3,492 | $754.5K | 0.03% | +11.6% |
| 505 | PRAXIS INVESTMENT MANAGEMENT#505 · 3,450 sh | 3,450 | $745.0K | 0.04% | 0.0% |
| 506 | Ironwood Financial#506 · 3,535 sh | 3,535 | $738.9K | — | 0.0% |
| 507 | EMERALD MUTUAL FUND ADVISERS#507 · 3,389 sh | 3,389 | $732.2K | 0.03% | +8.7% |
| 508 | F/m Investments#508 · 3,389 sh | 3,389 | $732.2K | 0.04% | +8.7% |
| 509 | Avestar Capital#509 · 3,371 sh | 3,371 | $728.4K | 0.04% | -6.5% |
| 510 | Lifeworks Advisors#510 · 3,326 sh | 3,326 | $718.5K | 0.08% | -4.0% |
| 511 | NLB Skladi, upravljanje premozenja, d.o.o.#511 · 3,293 sh | 3,293 | $711.5K | — | +7.8% |
| 512 | CITIZENS FINANCIAL GROUP#512 · 3,282 sh | 3,282 | $709.1K | — | +39.9% |
| 513 | Vestcor#513 · 3,246 sh | 3,246 | $701.0K | 0.02% | 0.0% |
| 514 | XTX Topco Ltd#514 · 3,239 sh | 3,239 | $699.8K | <0.01% | New |
| 515 | Massachusetts Wealth Management#515 · 3,230 sh | 3,230 | $697.9K | — | +1.6% |
| 516 | OF TOLEDO NA#516 · 3,217 sh | 3,217 | $695.1K | — | +8.5% |
| 517 | South Dakota Investment Council#517 · 3,213 sh | 3,213 | $694.0K | 0.01% | 0.0% |
| 518 | STONERIDGE INVESTMENT PARTNERS#518 · 3,414 sh | 3,414 | $693.0K | 0.45% | -51.4% |
| 519 | Davis Investment Partners#519 · 3,184 sh | 3,184 | $687.9K | 0.21% | -11.1% |
| 520 | BROWN ADVISORY#520 · 3,155 sh | 3,155 | $681.7K | <0.01% | -53.9% |
| 521 | Pictet & Cie (Europe) SA#521 · 3,103 sh | 3,103 | $670.4K | — | +7.7% |
| 522 | Charles Schwab#522 · 3,101 sh | 3,101 | $670.0K | — | New |
| 523 | TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES#523 · 3,091 sh | 3,091 | $667.8K | <0.01% | +9.7% |
| 524 | Hills Bank#524 · 3,088 sh | 3,088 | $667.2K | 0.03% | -11.5% |
| 525 | SteelPeak Wealth#525 · 3,011 sh | 3,011 | $650.6K | — | +11.4% |
| 526 | Pitcairn Wealth Advisors#526 · 3,010 sh | 3,010 | $650.3K | 0.07% | +11.6% |
| 527 | Aprio Wealth Management#527 · 3,009 sh | 3,009 | $650.1K | 0.03% | +5.6% |
| 528 | EVERGREEN CAPITAL MANAGEMENT#528 · 3,003 sh | 3,003 | $648.8K | — | -2.5% |
| 529 | ROBERTS GLORE#529 · 3,001 sh | 3,001 | $648.4K | 0.16% | 0.0% |
| 530 | RDA Financial Network#530 · 3,000 sh | 3,000 | $648.2K | — | -4.0% |
| 531 | Motley Fool Asset Management#531 · 2,978 sh | 2,978 | $643.4K | 0.02% | +2.0% |
| 532 | WADDELL & ASSOCIATES#532 · 2,967 sh | 2,967 | $641.0K | 0.03% | +31.1% |
| 533 | ATLAS CAPITAL ADVISORS#533 · 2,930 sh | 2,930 | $633.1K | 0.07% | -0.9% |
| 534 | State of Wyoming#534 · 2,923 sh | 2,923 | $631.5K | 0.06% | +125.5% |
| 535 | EverSource Wealth Advisors#535 · 2,906 sh | 2,906 | $627.9K | 0.02% | -89.3% |
| 536 | HUNTER ASSOCIATES INVESTMENT MANAGEMENT#536 · 2,901 sh | 2,901 | $626.0K | — | -1.3% |
| 537 | Caerus Investment Advisors#537 · 2,893 sh | 2,893 | $625.1K | 0.21% | +3.3% |
| 538 | CSS#538 · 2,880 sh | 2,880 | $622.3K | 0.02% | +5.9% |
| 539 | ExodusPoint Capital Management#539 · 2,871 sh | 2,871 | $620.3K | <0.01% | -98.1% |
| 540 | SAX WEALTH ADVISORS#540 · 3,364 sh | 3,364 | $616.8K | — | +1.0% |
| 541 | HUNTINGTON NATIONAL BANK#541 · 2,848 sh | 2,848 | $615.3K | <0.01% | +9.2% |
| 542 | Legacy Capital Group California#542 · 2,844 sh | 2,844 | $614.5K | 0.19% | -2.0% |
| 543 | TOWER & INVESTMENT#543 · 2,818 sh | 2,818 | $608.8K | 0.37% | -1.7% |
| 544 | Baker Avenue Asset Management#544 · 2,808 sh | 2,808 | $606.8K | 0.01% | +27.2% |
| 545 | KCM INVESTMENT ADVISORS#545 · 2,799 sh | 2,799 | $604.8K | 0.02% | -0.1% |
| 546 | IKE Capital#546 · 2,794 sh | 2,794 | $603.7K | 0.32% | -12.5% |
| 547 | Compound Planning#547 · 2,792 sh | 2,792 | $603.2K | 0.02% | +1.8% |
| 548 | Premier Path Wealth Partners#548 · 2,786 sh | 2,786 | $601.9K | — | -20.9% |
| 549 | AZZAD ASSET MANAGEMENT#549 · 2,784 sh | 2,784 | $601.5K | 0.05% | New |
| 550 | WESTWOOD GROUP#550 · 2,782 sh | 2,782 | $601.1K | <0.01% | New |
| 551 | Wedmont Private Capital#551 · 3,012 sh | 3,012 | $599.8K | — | +3.6% |
| 552 | TEMA ETFS#552 · 2,772 sh | 2,772 | $598.9K | — | +5.5% |
| 553 | Uncommon Cents Investing#553 · 2,769 sh | 2,769 | $598.3K | — | -0.4% |
| 554 | ROTHSCHILD INVESTMENT#554 · 2,739 sh | 2,739 | $591.7K | 0.02% | +201.3% |
| 555 | KLINGENSTEIN FIELDS#555 · 2,731 sh | 2,731 | $590.1K | 0.02% | 0.0% |
| 556 | HORIZON KINETICS ASSET MANAGEMENT#556 · 2,726 sh | 2,726 | $589.0K | <0.01% | -4.6% |
| 557 | Crestwood Advisors Group#557 · 2,725 sh | 2,725 | $588.7K | <0.01% | +9.8% |
| 558 | Proficio Capital Partners#558 · 2,701 sh | 2,701 | $583.6K | 0.02% | New |
| 559 | Northwest & Ethical Investments L.P.#559 · 2,693 sh | 2,693 | $582.2K | 0.01% | +34.6% |
| 560 | OPPENHEIMER#560 · 2,666 sh | 2,666 | $576.0K | — | -2.0% |
| 561 | Westside Investment Management#561 · 2,634 sh | 2,634 | $569.1K | 0.07% | -0.1% |
| 562 | CHOREO#562 · 2,633 sh | 2,633 | $568.9K | <0.01% | +10.6% |
| 563 | Parcion Private Wealth#563 · 2,609 sh | 2,609 | $563.7K | 0.03% | +21.9% |
| 564 | EAGLE GLOBAL ADVISORS#564 · 2,609 sh | 2,609 | $563.6K | 0.02% | +0.3% |
| 565 | CIM INVESTMENT MANAGEMENT#565 · 2,571 sh | 2,571 | $555.5K | 0.13% | -9.2% |
| 566 | NWAM#566 · 2,553 sh | 2,553 | $551.6K | 0.03% | +123.8% |
| 567 | ASSETMARK#567 · 2,535 sh | 2,535 | $547.8K | — | -5.8% |
| 568 | TD PRIVATE CLIENT WEALTH#568 · 2,512 sh | 2,512 | $542.7K | 0.01% | +31.6% |
| 569 | Private Advisor Group#569 · 2,510 sh | 2,510 | $542.3K | <0.01% | -46.0% |
| 570 | DKRT Investments#570 · 2,500 sh | 2,500 | $540.1K | 0.13% | 0.0% |
| 571 | 9823 Capital, L.P.#571 · 2,494 sh | 2,494 | $538.9K | 0.36% | New |
| 572 | Ocean Capital Management#572 · 2,475 sh | 2,475 | $534.7K | 0.10% | -2.6% |
| 573 | BSW Wealth Partners#573 · 2,462 sh | 2,462 | $531.9K | 0.06% | +18.7% |
| 574 | TCW GROUP#574 · 2,461 sh | 2,461 | $531.7K | <0.01% | +5.3% |
| 575 | Prime Capital Investment Advisors#575 · 2,427 sh | 2,427 | $524.5K | — | -19.9% |
| 576 | HANTZ FINANCIAL SERVICES#576 · 2,424 sh | 2,424 | $524.0K | <0.01% | +12.4% |
| 577 | TFB Advisors#577 · 2,424 sh | 2,424 | $523.7K | 0.23% | 0.0% |
| 578 | PERSONAL CFO SOLUTIONS#578 · 2,416 sh | 2,416 | $522.0K | 0.08% | +2.3% |
| 579 | MISSION WEALTH MANAGEMENT#579 · 2,387 sh | 2,387 | $515.8K | — | +47.3% |
| 580 | TRANSCEND WEALTH COLLECTIVE#580 · 2,363 sh | 2,363 | $510.6K | 0.03% | +29.1% |
| 581 | FAYEZ SAROFIM#581 · 2,300 sh | 2,300 | $496.9K | <0.01% | 0.0% |
| 582 | Parallax Volatility Advisers, L.P.#582 · 2,291 sh | 2,291 | $495.0K | <0.01% | +35.6% |
| 583 | Concurrent Investment Advisors#583 · 2,272 sh | 2,272 | $490.9K | — | +2.3% |
| 584 | Richwood Investment Advisors#584 · 2,267 sh | 2,267 | $489.7K | 0.34% | +11.6% |
| 585 | Simplicity Wealth#585 · 2,259 sh | 2,259 | $488.1K | — | +5.1% |
| 586 | Apollon Wealth Management#586 · 2,210 sh | 2,210 | $477.5K | — | +53.3% |
| 587 | OPPENHEIMER ASSET MANAGEMENT#587 · 2,207 sh | 2,207 | $476.8K | <0.01% | +0.1% |
| 588 | TOMPKINS FINANCIAL#588 · 2,200 sh | 2,200 | $475.3K | — | New |
| 589 | Axxion S.A.#589 · 2,200 sh | 2,200 | $475.3K | — | — |
| 590 | NAVELLIER & ASSOCIATES#590 · 2,164 sh | 2,164 | $467.6K | 0.04% | 0.0% |
| 591 | Smartleaf Asset Management#591 · 2,125 sh | 2,125 | $460.4K | 0.01% | 0.0% |
| 592 | Evercore Wealth Management#592 · 2,112 sh | 2,112 | $456.3K | <0.01% | 0.0% |
| 593 | B. Riley Wealth Advisors#593 · 2,094 sh | 2,094 | $453.6K | — | +1.5% |
| 594 | Ramiah Investment Group#594 · 2,085 sh | 2,085 | $450.5K | — | New |
| 595 | Blackstone#595 · 2,060 sh | 2,060 | $445.1K | <0.01% | New |
| 596 | Capital Investment Advisors#596 · 2,045 sh | 2,045 | $441.8K | — | -2.0% |
| 597 | QTR Family Wealth#597 · 2,041 sh | 2,041 | $441.0K | 0.15% | +2.6% |
| 598 | EVOLVE PRIVATE WEALTH#598 · 2,032 sh | 2,032 | $439.1K | 0.03% | -42.5% |
| 599 | EP Wealth Advisors#599 · 2,024 sh | 2,024 | $437.3K | <0.01% | +19.0% |
| 600 | GROUPAMA ASSET MANAGMENT#600 · 2,017 sh | 2,017 | $435.8K | <0.01% | -77.0% |
Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.