Biogen — Institutional Ownership
Which tracked institutions hold BIIB, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.
55
Funds holding
$8429564604
Total value held
Buying
36 added/new · 17 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | $3453877982 | 15985736 | +11135 | +0.07% |
| 2 | State Street Corp | $1586815292 | 7344327 | +176405 | +2.46% |
| 3 | Morgan Stanley | $520979947 | 2411271 | +240331 | +11.07% |
| 4 | Jpmorgan Chase & Co | $394947245 | 1823140 | -192869 | -9.57% |
| 5 | Invesco Ltd. | $389760120 | 1803944 | +1803944 | NEW BUY |
| 6 | Ubs Group Ag | $331295601 | 1533350 | +1533350 | NEW BUY |
| 7 | Northern Trust Corp | $308855610 | 1429490 | -17089 | -1.18% |
| 8 | Goldman Sachs Group Inc | $274480421 | 1270390 | +92896 | +7.89% |
| 9 | Bank Of America Corp /De/ | $241172222 | 1116228 | -40141 | -3.47% |
| 10 | Citigroup Inc | $175185121 | 810817 | +143273 | +21.46% |
| 11 | Bank Of New York Mellon Corp | $167148200 | 773619 | -14904 | -1.89% |
| 12 | Royal Bank Of Canada | $153093000 | 708562 | +177185 | +33.34% |
| 13 | Barclays Plc | $92291542 | 427157 | -304317 | -41.60% |
| 14 | Principal Financial Group Inc | $39852265 | 184450 | -2609 | -1.39% |
| 15 | Franklin Resources Inc | $29694426 | 137436 | -7012 | -4.85% |
| 16 | Wells Fargo & Company/Mn | $27799131 | 128664 | +1530 | +1.20% |
| 17 | Bank Of Montreal /Can/ | $26849128 | 124267 | +31558 | +34.04% |
| 18 | Raymond James Financial Inc | $23372071 | 108174 | +11475 | +11.87% |
| 19 | Adams Diversified Equity Fund, Inc. | $21670818 | 100300 | +100300 | NEW BUY |
| 20 | Federated Hermes, Inc. | $21241939 | 98315 | +98315 | NEW BUY |
| 21 | Ameriprise Financial Inc | $19739811 | 91363 | +91363 | NEW BUY |
| 22 | Sei Investments Co | $17826173 | 82516 | +11003 | +15.39% |
| 23 | Nomura Holdings Inc | $17523546 | 81105 | -22025 | -21.36% |
| 24 | Prudential Financial Inc | $15630212 | 72342 | -91545 | -55.86% |
| 25 | Toronto Dominion Bank | $9669117 | 44752 | +1381 | +3.18% |
| 26 | Pnc Financial Services Group, Inc. | $8884171 | 41119 | +1635 | +4.14% |
| 27 | Stifel Financial Corp | $8758192 | 40536 | +40536 | NEW BUY |
| 28 | Banco Bilbao Vizcaya Argentaria, S.A. | $8131938 | 37631 | -4840 | -11.40% |
| 29 | Fifth Third Bancorp | $7095608 | 32841 | +125 | +0.38% |
| 30 | Us Bancorp \De\ | $7042904 | 32597 | +1374 | +4.40% |
| 31 | Jefferies Financial Group Inc. | $5933656 | 27463 | +27463 | NEW BUY |
| 32 | Bank Of Nova Scotia | $3553377 | 16446 | -3990 | -19.52% |
| 33 | Janus Henderson Group Plc | $3478118 | 18975 | +18975 | NEW BUY |
| 34 | M&T Bank Corp | $3474757 | 16084 | -677 | -4.04% |
| 35 | Allstate Corp | $2888506 | 13369 | +3697 | +38.22% |
| 36 | Truist Financial Corp | $2726967 | 12621 | +1055 | +9.12% |
| 37 | Pinnacle Financial Partners, Inc. | $2137285 | 9892 | -33 | -0.33% |
| 38 | Nicolet Bankshares Inc | $1370217 | 6476 | -40 | -0.61% |
| 39 | Citizens Financial Group Inc/Ri | $709109 | 3282 | +936 | +39.90% |
| 40 | Westwood Holdings Group Inc | $601079 | 2782 | +2782 | NEW BUY |
| 41 | Tompkins Financial Corp | $475332 | 2200 | +2200 | NEW BUY |
| 42 | Blackstone Inc. | $445084 | 2060 | +2060 | NEW BUY |
| 43 | Hancock Whitney Corp | $372919 | 1726 | -9 | -0.52% |
| 44 | Regions Financial Corp | $257544 | 1192 | +4 | +0.34% |
| 45 | Horizon Bancorp Inc /In/ | $210000 | 973 | -44 | -4.33% |
| 46 | First Horizon Corp | $94634 | 438 | +438 | NEW BUY |
| 47 | Itau Unibanco Holding S.A. | $75189 | 348 | -1 | -0.29% |
| 48 | Atlantic Union Bankshares Corp | $24847 | 115 | — | Held |
| 49 | Cullen/Frost Bankers, Inc. | $22902 | 106 | +106 | NEW BUY |
| 50 | Southstate Bank Corp | $9075 | 42 | +42 | NEW BUY |
| 51 | Prosperity Bancshares Inc | $8642 | 40 | +40 | NEW BUY |
| 52 | Amalgamated Financial Corp. | $7764 | 36865 | +36865 | NEW BUY |
| 53 | Wealthfront Corp | $2839 | 8036 | +3131 | +63.83% |
| 54 | Employers Holdings, Inc. | $642 | 2295 | — | Held |
| 55 | Peapack Gladstone Financial Corp | $367 | 1699 | +8 | +0.47% |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.