Stock profile

BIOGEN INC (BIIB)

BIIB · Latest close $220.54 as of Oct 2, 2026 · 13F data as of Jun 30, 2026 (2026 Q2)
Latest close
$220.54
As of Oct 2, 2026
Tracked funds holding
3 of 83
2026 Q2 13F filings
Opened / added
0 / 0
vs previous quarter
Trimmed / exited
3
vs previous quarter

Super-investor holdings · 2026 Q2

FundPortfolio weightSharesChange vs prev. quarter
Hillman Capital Management3.75%23,993TRIMMED (-18.8%)
Patient Capital Management2.01%283,697TRIMMED (-25.3%)
Causeway Capital Management0.65%278,283TRIMMED (-0.9%)

Source: SEC Form 13F filings for the quarter ended Jun 30, 2026. Change labels compare each fund’s 2026 Q2 filing with its previous filing. 13F filings cover long positions only and arrive up to 45 days after quarter-end.

All institutions · Form 13F

Institutions holding1,043 of 8,857 filers
Long-only filers among them1,035
Change vs 2026 Q1+57 net · 941 entered · 884 exited
Shares reported, all filers140,647,629
Reported value, all filers$30.5B

Source: SEC Form 13F data sets — every filer's latest report for the quarter ended Jun 30, 2026, not just the tracked funds above; changes compare with the quarter ended Mar 31, 2026. Share counts and values are summed as reported in the filings (a small number of filers report values in thousands of dollars, so value totals are as-filed sums).

Insider trading · Form 4

0 insiders bought on the open market in the last 90 days (0 purchases, $0), against 2 sales by 1 insiders ($239.7K).

Source: SEC Form 4 filings, as of Oct 3, 2026. Open-market transactions only.

Politician trading · U.S. House

2 House members reported buying (4 purchases vs 2 sales). Bought by Democrats and Republicans. Latest buy: Jun 5, 2026.

Source: U.S. House Clerk STOCK Act periodic transaction reports, as of Oct 3, 2026. Reported amounts are ranges, and reports can arrive up to 45 days after the trade. Senate reports are not included yet.

Screens & lenses

Politicians

· Bought by Members — Last 6 months: bought by a U.S. House member

· Bought by Both Parties — Last 6 months: bought by both Democratic and Republican members

Financial Screens

· Graham — Sound finances and a long run of profits

· Cash Flow (FCF) — Positive free cash flow in each of the last 3 years, with an FCF yield of at least 5%

· Gross Profitability (Novy-Marx) — High gross profit relative to total assets

· Earnings Quality (Cash Conversion) — Profits that actually come back as cash

Chart Signals

· Monthly Uptrend — Price above its 12-month moving average

· 52-Week High — Recently printed a new 52-week high

Key figures

· Graham — Current ratio: 2.68 · Straight profitable years: 19 · Debt ratio: 0.61 · Latest net income: $1.3B

· Cash Flow (FCF) — Latest FCF: $2.1B · FCF yield: 6.3% · Positive FCF years: 3

· Gross Profitability (Novy-Marx) — Gross profit / assets: 47.3% · Gross margin: 86.6%

· Earnings Quality (Cash Conversion) — Cash conversion (3-yr avg): 1.60 · Operating cash flow: $2.2B · Net income: $1.3B

· Bought by Members — Members buying: 2 · Buy txns: 4 · Sell txns: 2 · Latest buy: Jun 5, 2026

· Bought by Both Parties — Members buying: 2 · Buy txns: 4 · Sell txns: 2 · Latest buy: Jun 5, 2026

Financial screens are computed from SEC company financial statements; red-flag models are screens, not verdicts — see Methodology.

Signal record

· Politician BEST — appeared in 1 of the last 20 quarterly lists; latest 2026 Q2, ranked #11 of 50.

13F signal (2021 Q3 – 2026 Q1)EventsWin rateAvg returnSPYExcess
Heavy accumulation — 3+ tracked funds increased together560.0%+11.4%+3.5%+7.9%

Measured from SEC 13F filings: entry at the close on the first trading day after each quarter’s filing deadline, exit one quarter later on the same rule, dividend-adjusted closes. Past records do not guarantee future results — see Track Record and Methodology.

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