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Biogen (BIIB)
NASDAQ:BIIB
Biogen (BIIB) Ownership Overview
0.16% Insiders
32.69% Mutual Funds
20.95% Other Institutional Investors
36.01% ETFs
10.20% Public Companies and Individual Investors
The ownership structure of Biogen (BIIB) stock is a mix of institutional, retail, and individual investors. Approximately 89.64% of the company’s stock is owned by Institutional Investors, 0.16% is owned by Insiders, and 10.20% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
May 05, 2025 | xxxxxxxxxxxxx | $151559 | |
Mar 10, 2025 | xxxxxxxxxxxxx | $1314088 | |
Dec 09, 2024 | xxxxxxxxxxxxx | $17293 | |
Sep 05, 2024 | xxxxxxxxxxxxx | $88019 |
Recent Hedge Fund Trading Activity
Date | Firm | Activity | Value |
|---|---|---|---|
Mar 31, 2025 | xxxxxxxxxxxxx | $435014 | |
Mar 31, 2025 | xxxxxxxxxxxxx | $1853771 | |
Mar 31, 2025 | xxxxxxxxxxxxx | $4652560 | |
Mar 31, 2025 | xxxxxxxxxxxxx | $17127168 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 15,943,259 | Institution | 10.88% | 2,082,986,788 | |
| 15,644,650 | Institution | 10.68% | 2,043,973,523 | |
| 14,240,622 | Institution | 9.72% | 1,860,537,264 | |
| 9,009,361 | Institution | 6.15% | 1,177,073,015 | |
| 8,736,506 | Institution | 5.96% | 1,141,424,509 | |
| 7,802,138 | Institution | 5.32% | 1,019,349,330 | |
| 6,193,499 | Institution | 4.23% | 809,180,644 | |
| 6,068,476 | Institution | 4.14% | 792,846,389 | |
| 4,625,034 | Institution | 3.16% | 604,260,692 | |
| 2,492,130 | Institution | 1.70% | 325,596,785 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 14,240,622 | Institution | 9.72% | 1,860,537,264 | |
| 9,009,361 | Institution | 6.15% | 1,177,073,015 | |
| 4,625,034 | Institution | 3.16% | 604,260,692 | |
| 2,492,130 | Institution | 1.70% | 325,596,785 | |
| 2,345,677 | Institution | 1.60% | 306,462,700 | |
| 2,063,740 | Institution | 1.41% | 269,627,631 | |
| 1,382,946 | Institution | 0.94% | 180,681,895 | |
| 1,200,000 | Institution | 0.82% | 156,780,000 | |
| 975,437 | Institution | 0.67% | 127,440,844 | |
| 742,639 | Institution | 0.51% | 97,025,785 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 4,697,588 | Institution | 3.21% | 568,783,955 | |
| 4,134,250 | Institution | 2.82% | 500,574,990 | |
| 3,182,738 | Institution | 2.17% | 385,365,917 | |
| 3,021,405 | Institution | 2.06% | 394,746,563 | |
| 1,764,571 | Institution | 1.20% | 233,470,389 | |
| 1,764,571 | Institution | 1.20% | 233,470,389 | |
| 1,645,648 | Institution | 1.12% | 215,003,911 | |
| 1,286,873 | Institution | 0.88% | 155,814,583 | |
| 1,158,723 | Institution | 0.79% | 153,310,640 | |
| 1,028,120 | Institution | 0.70% | 136,030,557 |
FAQ
Who Owns Biogen (BIIB)?
According to the latest TipRanks data, approximately 20.95% of the company's stock is held by institutional investors, 0.16% is held by insiders, and 10.20% is held by retail investors.
What percentage of Biogen (BIIB) stock is held by institutional investors?
According to the latest TipRanks data, approximately 20.95% of Biogen (BIIB) stock is held by institutional investors.
What percentage of Biogen (BIIB) stock is held by retail investors?
According to the latest TipRanks data, approximately 10.20% of Biogen (BIIB) stock is held by retail investors.
Who owns the most shares of Biogen (BIIB)?
Theofanis Kolokotrones owns the most shares of Biogen (BIIB).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.