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Invesco's Biogen Inc. (BIIB) position

Yes: as of Q1 2026, Invesco holds 1.7M shares of BIIB worth $320M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$320M
Shares held
1.7M
% of portfolio
0.0%
Est. average buy price (i)
$203.94
est. since Q3 2022
Quarter-end price
$183.33

Estimated trade prices

Average price in quarters with purchases
$211.12
Average prices in quarters with sales
  • Q4 2025: $163.32 (763K shares sold)
  • Q2 2024: $217.32 (379K shares sold)
  • Q1 2024: $234.20 (147K shares sold)
  • Q2 2023: $297.84 (32K shares sold)
  • Q4 2022: $282.44 (50K shares sold)
  • Q1 2022: $217.46 (177K shares sold)
  • Q3 2021: $327.75 (53K shares sold)

BIIB price vs Invesco's position

1Y 3Y 5Y MAX
Dates
$100$200$40020222023202420252026Sold 53K shares (5.1%) · Q3 2021. Average closing price $327.75 · Price range $282.99–$369.0553KsharessoldAdded 140K shares (14.2%) · Q4 2021. Average closing price $257.12 · Price range $223.92–$287.77140KsharespurchasedSold 177K shares (15.6%) · Q1 2022. Average closing price $217.46 · Price range $193.77–$244.14177KsharessoldAdded 2K shares (0.2%) · Q2 2022. Average closing price $204.43 · Price range $187.54–$223.022KsharespurchasedSold 50K shares (5.2%) · Q4 2022. Average closing price $282.44 · Price range $253.67–$306.7250KsharessoldAdded 103K shares (11.2%) · Q1 2023. Average closing price $276.70 · Price range $256.56–$292.34103KsharespurchasedSold 32K shares (3.1%) · Q2 2023. Average closing price $297.84 · Price range $275.25–$318.0632KsharessoldAdded 189K shares (19.1%) · Q3 2023. Average closing price $267.47 · Price range $253.30–$285.89189KsharespurchasedAdded 633K shares (53.6%) · Q4 2023. Average closing price $245.62 · Price range $222.59–$267.94633KsharespurchasedSold 147K shares (8.1%) · Q1 2024. Average closing price $234.20 · Price range $212.02–$267.71147KsharessoldSold 379K shares (22.7%) · Q2 2024. Average closing price $217.32 · Price range $190.52–$236.72379KsharessoldAdded 340K shares (26.4%) · Q3 2024. Average closing price $209.21 · Price range $189.07–$236.80340KsharespurchasedAdded 499K shares (30.6%) · Q4 2024. Average closing price $168.67 · Price range $146.47–$191.56499KsharespurchasedAdded 136K shares (6.4%) · Q1 2025. Average closing price $142.96 · Price range $133.43–$153.27136KsharespurchasedAdded 55K shares (2.4%) · Q2 2025. Average closing price $124.60 · Price range $113.38–$135.4955KsharespurchasedAdded 98K shares (4.2%) · Q3 2025. Average closing price $135.22 · Price range $122.68–$148.8498KsharespurchasedSold 763K shares (31.5%) · Q4 2025. Average closing price $163.32 · Price range $142.19–$182.07763KsharessoldAdded 90K shares (5.4%) · Q1 2026. Average closing price $184.10 · Price range $164.42–$201.1890Ksharespurchased
Average closing price · filing quarter
$184.10
Price range · filing quarter
$164.42 – $201.18
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +90K +$17M +5.4% 1.7M May 12, 2026
Q4 2025 Reduced −763K −$125M −31.5% 1.7M Feb 19, 2026
Q3 2025 Added +98K +$13M +4.2% 2.4M Nov 13, 2025
Q2 2025 Added +55K +$6.9M +2.4% 2.3M Aug 13, 2025
Q1 2025 Added +136K +$19M +6.4% 2.3M May 12, 2025
Q4 2024 Added +499K +$84M +30.6% 2.1M Feb 13, 2025
Q3 2024 Added +340K +$71M +26.4% 1.6M Nov 12, 2024
Q2 2024 Reduced −379K −$82M −22.7% 1.3M Aug 13, 2024
Q1 2024 Reduced −147K −$34M −8.1% 1.7M May 14, 2024
Q4 2023 Added +633K +$156M +53.6% 1.8M Feb 13, 2024
Q3 2023 Added +189K +$51M +19.1% 1.2M Nov 13, 2023
Q2 2023 Reduced −32K −$9.5M −3.1% 992K Aug 11, 2023
Q1 2023 Added +103K +$29M +11.2% 1.0M May 12, 2023
Q4 2022 Reduced −50K −$14M −5.2% 920K Feb 13, 2023
Q3 2022 First covered – – – 971K Nov 14, 2022
Q2 2022 Added +2K +$395K +0.2% 956K Aug 15, 2022
Q1 2022 Reduced −177K −$38M −15.6% 954K May 16, 2022
Q4 2021 Added +140K +$36M +14.2% 1.1M Feb 14, 2022
Q3 2021 Reduced −53K −$17M −5.1% 991K Nov 15, 2021
Q2 2021 First covered – – – 1.0M Aug 17, 2021
Q1 2021 First covered – – – 1.0M May 17, 2021
Data through Q1 2026 · filed May 12, 2026
21 grouped rows from 21 quarters

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Common questions

Does Invesco own BIIB?

Yes. As of Q1 2026, Invesco disclosed 1.7M shares of BIIB, worth $320M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Invesco buy BIIB?

Invesco held BIIB since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Invesco sell BIIB?

The quarter-by-quarter table above shows each sale and reduction Invesco disclosed in BIIB. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of BIIB does Invesco own?

Invesco disclosed 1.7M shares of BIIB as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Invesco pay for BIIB?

Invesco began building the BIIB position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.