Follow-The-Filings

Security

BIIB

Biogen Inc. · COM

Equity holders as of 2026 Q1 (each manager’s latest book)

19 owners 1 exit max 3.8% (Hillman Capital Managemen...)

grid → activity → earnings →
owners 19
rank #289
master % 0.03%
max % 3.8%
tracked value $10B
qoq A 8 R 9 E 1

holders

sorted by % of portfolio · long equity only · exits show last held size

manager % port activity shares value history
Hillman Capital Management, Inc. 2026 Q1 3.8% Reduce +0.38 pp 29,540 $5.4B hist
Samantha Mclemore - Patient Capital Management, LLC 2026 Q1 2.6% Reduce -1.37 pp 379,741 $70M hist
Sarah Ketterer - Causeway Capital Management LLC 2026 Q1 0.6% Reduce -0.63 pp 280,783 $51M hist
Glenview Capital Management, LLC 2026 Q1 0.3% Reduce -0.78 pp 57,019 $10M hist
Steve Cohen - Point72 Asset Management, L.P. 2026 Q1 0.2% Reduce -0.36 pp 809,617 $148M hist
Joel Greenblatt - Gotham Asset Management, LLC 2026 Q1 0.2% Add -0.01 pp 298,437 $55M hist
Cliff Asness - Aqr Capital Management LLC 2026 Q1 0.2% Add +0.02 pp 1,923,557 $346M hist
Dmitry Balyasny - Balyasny Asset Management L.P. 2026 Q1 0.2% Add +0.02 pp 650,046 $119M hist
Two Sigma Investments, LP 2025 Q4 stale 0.1% Exit -0.06 pp 251,763 $44M hist
Renaissance Technologies LLC 2026 Q1 0.1% Reduce -0.05 pp 203,396 $37M hist
Norges Bank 2025 Q4 stale 0.1% Exit -0.05 pp 2,638,834 $464M hist
Vanguard Group Inc. 2025 Q4 stale 0.0% Add +0.01 pp 17,447,092 $3.1B hist
Marshall Wace - Marshall Wace, LLP 2026 Q1 0.0% Reduce -0.02 pp 229,879 $42M hist
Ken Fisher - Fisher Asset Management, LLC 2026 Q1 0.0% Add 0.00 pp 312,618 $57M hist
Israel Englander - Millennium Management LLC 2026 Q1 0.0% Reduce -0.08 pp 93,964 $17M hist
Natixis Advisors, LLC 2026 Q1 0.0% Add 0.00 pp 41,272 $8M hist
Murray Stahl - Horizon Kinetics Asset Management LLC 2026 Q1 0.0% Reduce 0.00 pp 2,857 $524 hist
Ken Griffin - Citadel Advisors LLC 2026 Q1 0.0% Add 0.00 pp 138,093 $25M hist
Ancora Advisors LLC 2026 Q1 0.0% Add 0.00 pp 224 $41 hist
D. E. Shaw & Co., Inc. exited 2026 Q1 last 2025 Q4 0.0% Exit -0.01 pp 53,754 $9M hist

19 current · 1 exited last period · options excluded

SEC filings

Recent issuer filings from EDGAR · 25 shown

Filed Form Detail Links
8-K 2.02,9.01 Filing Doc
10-Q 10-Q Filing Doc
8-K 2.02 Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc
8-K/A 9.01 Filing Doc
8-K 5.07 Filing Doc
8-K 1.01,2.01,2.03,7.01,9.01 Filing Doc
4 PRIMARY DOCUMENT Filing Doc
8-K 2.02,9.01 Filing Doc
10-Q 10-Q Filing Doc
DEFA14A DEFA14A Filing Doc
8-K 2.02 Filing Doc
4 PRIMARY DOCUMENT Filing Doc
8-K 1.01,8.01,9.01 Filing Doc
8-K 5.02 Filing Doc
4 PRIMARY DOCUMENT Filing Doc
4 PRIMARY DOCUMENT Filing Doc

Updated 12 minutes ago Source: SEC EDGAR submissions All on EDGAR

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $9.84B $9.68B $9.89B
Gross profit — — —
Gross margin — — —
Net income $1.16B $1.63B $1.29B
Net margin * 11.8% 16.9% 13.1%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $6.86B $7.46B $8.97B
Total non-current assets * $19.99B $20.59B $20.47B
Total assets $26.84B $28.05B $29.44B
Total current liabilities $3.43B $5.53B $3.35B
Total non-current liabilities * $8.61B $5.8B $7.83B
Total equity $14.8B — —

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $1.55B $2.88B $2.2B
Cash from investing -$4.1B -$799.2M -$1.37B
Cash from financing $149.3M -$683.5M -$301.9M
Net change in cash * -$2.4B $1.39B $531.6M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders