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Bookmarked by
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Avg position size
—
of holders' portfolios
13F filers
2
institutions
Market cap
$30.9B
148M shares
52-week range
$131.52 – $219.72
89% from low
Sector
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
Exchange
NASDAQ
CS
Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).
www.biogen.comNo one on the platform currently holds BIIB.
| Institution | Shares | Reported |
|---|---|---|
| Renaissance Technologiesas of 2026-03-31 | 203,396 | $37.3M |
| Bridgewater Associatesas of 2025-09-30 | 39,983 | $5.6M |
No one on the platform has traded BIIB yet.
Click to see transaction details on SEC.gov. Form 4s cover trades by officers, directors, and 10%+ owners, due within 2 business days of the trade.
| Year | Est. revenue | Growth | Est. EPS | EPS range | Fwd P/E | # Analysts |
|---|---|---|---|---|---|---|
| 2026 | $10.4B | +6.1% | $12.56 | $10.66–$15.21 | 16.7× | 18 |
| 2027 | $10.6B | +2.0% | $16.59 | $12.42–$19.42 | 12.6× | 21 |
| 2028 | $10.9B | +2.8% | $18.74 | $14.37–$24.78 | 11.2× | 8 |
| 2029 | $11.1B | +1.6% | $20.59 | $19.21–$21.62 | 10.2× | 5 |
Forward consensus · growth is YoY vs the prior fiscal-year estimate · Fwd P/E at the current price · source: Financial Modeling Prep
Beat consensus in 8 of the last 8 reported quarters
| Reported | Est. EPS | Actual | Surprise |
|---|---|---|---|
| 2026-07-29 | $2.94 | $3.60 | +22.4% |
| 2026-04-29 | $3.05 | $3.57 | +17.0% |
| 2026-02-06 | $1.63 | $1.99 | +22.1% |
| 2025-10-30 | $3.88 | $4.81 | +24.0% |
| 2025-07-31 | $3.90 | $5.47 | +40.3% |
| 2025-05-01 | $2.90 | $3.02 | +4.1% |
| 2025-02-12 | $3.43 | $3.44 | +0.3% |
| 2024-10-30 | $3.77 |
| $4.08 |
| +8.2% |
| $24.4B |
| — |
| LHLabcorp Holdings Inc. | $318.13 | -1.38% | $26.1B | — |
| PODDInsulet Corp. | $143.34 | -2.12% | $9.9B | — |
Source: Financial Modeling Prep · peers by sector/industry
$PMN PT Raised to $100 at Guggenheim Skipping Phase 2: Question of dosage has been resolved. If a 1b trial as PMN310 tests various escalating dose groups 5 mg to max. dose of 20 mg on actual patients, it has already accomplished the primary objective of Phase 2. Exceptional regarding biomarkers: When evidence is mathematically irrefutable—rendering it logically impossible to question the drug's efficacy— FDA no longer requires an artificial interim study. Impeccable safety at the maximum dose, if the DSMB records a 0.0% incidence of severe side effects at the max. dose during the Phase 1b trial, the primary regulatory hurdle is removed. High unmet medical need: FDA accelerates the process for fatal or incurable diseases like Alzheimer's. If PMN shows the potential to be safer than existing treatments $LLY $BIIB. FDA views it ethical imperative to expedite the approval process through fast-track programs. https://www.streetinsider.com/dr/news.php?id=26925256&gfv=1
View on StockTwits ↗There’s another $BIIB investor settlement to know about. The settlement centers on claims that Biogen misled investors about aducanumab’s clinical trial data and why the ENGAGE study failed. After FDA briefing materials raised concerns in 2020, the FDA Advisory Committee voted 10-0 against the drug’s effectiveness, and $BIIB fell 28%. This case covers purchases between 2019 and 2020. If you weren't eligible for the other Biogen case, you may want to check this one, since the class period is different and extends further back. Check if your eligible and file a claim: https://11th.com/cases/biogen-investor-settlement
View on StockTwits ↗Imagine buying $BIIB at its peak, only to watch it crash like this and then finding out there’s a way to get some money back. To all $BIIB investors out there, we’ve got some important news: a $18.9 million investor settlement is now open for claims from shareholders who purchased shares in 2021 The deadline is next months, you can check if you’re eligible and claim your share: https://11th.com/cases/biib-investor-settlement
View on StockTwits ↗$BIIB $GANX $JAZZ Very good give and take to this thread. I’ll never pretend to fully understand the science but I do understand statements made by the company. IMO they have a good idea where the 270 stands. If the 270 is a known negative, I would think some level of disclosure would be necessary after the company speak. As an investor, no issue waiting for the 360. If the 360 plays out, we’re solid gold with diamond hands. We’ll see!
View on StockTwits ↗$GANX Khalid and Gene are very wisely beginning to position Gain as a platform company, versus a single drug company, with a vast multi target franchise opportunity in neurodegeneration. With Magellan capable of generating an endless organic pipeline of additional molecules which may be advanced to the clinic, all building upon what they have learned from GT-00287. While we will never get there unfortunately, this is similar to how $BIIB (Biogen) was started way back when and trading at just a couple dollars a share, along with $JAZZ. Ironically, Gene was one of the first analysts to initiate and recommend both names in their infancy, early on on his career as an analyst.
View on StockTwits ↗$PMN $LLY $BIIB $RHHBY The real jackpot: PMN267 + PMN442 ProMIS describes three key antibody programs: PMN310 → Alzheimer's disease / Amyloid-ß oligomers => PMN310 potential $5-10 bn * PMN267 → ALS / misfolded TDP-43 => PMN267 potential $1-3 bn * PMN442 → Parkinson's disease, MSA, => PMN442 potential $1-3 bn and other synucleinopathies Other Platforms potential $0,5-2 bn means in total range from 7.5-18 bn with a potential Share price of => $405 to $970 This is not pure fantasy.
View on StockTwits ↗8/6 2:01 pm edt re-entry $BIIB Biogen, Inc Status Filled at $205.504 Symbol BIIB Symbol Description BIOGEN INC COM USD0.0005 Action Buy Quantity 20 Shares
View on StockTwits ↗Today's Trading Watchlist $AVAV - Hold $170, targets $184 and $193. $AVGO - Trigger over $422, target $440. $BB - Trigger over $8.95, target $10. $BE - Trigger over $236, targets $254 and $268. $BIIB - Trigger over $209, target $216. Keeping these names on radar as price action decides the next move. Focus is on confirmation, not chasing.
View on StockTwits ↗$CFG $GFI $BIIB $RDDT $ILMN Citizens Financial strengthens banking operations, Gold Fields benefits from higher gold prices, Biogen advances neurological therapies, Reddit continues improving advertising monetization, and Illumina leads genomic sequencing.
View on StockTwits ↗$CNC $LVS $AEE $SUNB $BIIB Centene benefits from managed healthcare growth, Las Vegas Sands gains from casino demand, Ameren provides regulated utility exposure, SUNB remains execution-driven, and Biogen advances neurological therapies.
View on StockTwits ↗Canaccord Genuity y'day⬇️ $STOK to $58 from $60 and reiterated Buy after STOK reported its 2Q26 results. $BIIB PRAX DRUG HLUBF HLBBF $IONS HRMY OVID SUPN UCBJY JAZZ Here's what Canaccord Genuity said in its note to investors: https://x.com/Quantumup1/status/2084604516561756445?s=20
View on StockTwits ↗Recent $TICKER stream from stocktwits.com — refreshed every 5 minutes. Sentiment tags are self-reported by posters. Not investment advice.