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Ken Griffin's ADMA Biologics, Inc. (ADMA) position

Yes: as of Q1 2026, Ken Griffin holds 5.8M shares of ADMA worth $53M (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
$53M
Shares held
5.8M
% of portfolio
0.0%
Est. average buy price (i)
$16.14
Quarter-end price
$9.04

Estimated trade prices

Average price in quarters with purchases
$13.65
Average prices in quarters with sales
  • Q4 2025: $16.85 (597K shares sold)
  • Q2 2024: $8.39 (264K shares sold)
  • Q4 2023: $3.70 (633K shares sold)
  • Q2 2023: $3.71 (187K shares sold)
  • Q4 2022: $3.08 (210K shares sold)
  • Q2 2022: $1.97 (76K shares sold)
  • Q1 2022: $1.56 (381K shares sold)
  • Q2 2021: $1.76 (92K shares sold)

ADMA price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$1$20$4020222023202420252026Added 28K shares (22.2%) · Q3 2021. Average closing price $1.40 · Price range $1.13–$1.6528KsharespurchasedAdded 462K shares (295.3%) · Q4 2021. Average closing price $1.31 · Price range $1.09–$1.66462KsharespurchasedSold 381K shares (61.6%) · Q1 2022. Average closing price $1.56 · Price range $1.28–$1.83381KsharessoldSold 76K shares (32.2%) · Q2 2022. Average closing price $1.97 · Price range $1.43–$2.2076KsharessoldAdded 202K shares (125.0%) · Q3 2022. Average closing price $2.40 · Price range $2.03–$2.86202KsharespurchasedSold 210K shares (57.9%) · Q4 2022. Average closing price $3.08 · Price range $2.47–$3.88210KsharessoldAdded 90K shares (59.0%) · Q1 2023. Average closing price $3.46 · Price range $3.01–$3.8790KsharespurchasedSold 187K shares (77.2%) · Q2 2023. Average closing price $3.71 · Price range $3.12–$4.22187KsharessoldAdded 812K shares (over 1,000%) · Q3 2023. Average closing price $3.85 · Price range $3.47–$4.61812KsharespurchasedSold 633K shares (72.9%) · Q4 2023. Average closing price $3.70 · Price range $3.08–$4.52633KsharessoldAdded 60K shares (25.5%) · Q1 2024. Average closing price $5.47 · Price range $4.40–$6.7460KsharespurchasedSold 264K shares (89.7%) · Q2 2024. Average closing price $8.39 · Price range $5.98–$11.18264KsharessoldNew position of 158K shares · Q4 2024. Average closing price $18.81 · Price range $15.62–$22.62158KsharespurchasedAdded 83K shares (52.2%) · Q1 2025. Average closing price $17.29 · Price range $15.44–$20.6183KsharespurchasedNew position of 2.1M shares · Q3 2025. Average closing price $17.14 · Price range $14.66–$19.912.1MsharespurchasedSold 597K shares (28.2%) · Q4 2025. Average closing price $16.85 · Price range $13.99–$20.38597KsharessoldAdded 4.3M shares (281.6%) · Q1 2026. Average closing price $15.79 · Price range $8.29–$18.824.3Msharespurchased← Earlier —1 sell
Average closing price · filing quarter
$15.79
Price range · filing quarter
$8.29 – $18.82
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +4.3M +$68M +281.6% 5.8M May 15, 2026
Q4 2025 Reduced −597K −$10M −28.2% 1.5M Feb 17, 2026
Q3 2025 New +2.1M +$36M – 2.1M Nov 14, 2025
Q1 2025 Added +83K +$1.4M +52.2% 241K May 15, 2025
Q4 2024 New +158K +$3.0M – 158K Feb 14, 2025
Q2 2024 Reduced −264K −$2.2M −89.7% 30K Aug 14, 2024
Q1 2024 Added +60K +$328K +25.5% 295K May 15, 2024
Q4 2023 Reduced −633K −$2.3M −72.9% 235K Feb 14, 2024
Q3 2023 Added +812K +$3.1M +1,469.6% 867K Nov 14, 2023
Q2 2023 Reduced −187K −$695K −77.2% 55K Aug 14, 2023
Q1 2023 Added +90K +$311K +59.0% 243K May 15, 2023
Q4 2022 Reduced −210K −$648K −57.9% 153K Feb 14, 2023
Q3 2022 Added +202K +$483K +125.0% 363K Nov 14, 2022
Q2 2022 Reduced −76K −$150K −32.2% 161K Aug 15, 2022
Q1 2022 Reduced −381K −$594K −61.6% 238K May 16, 2022
Q4 2021 Added +462K +$607K +295.3% 618K Feb 14, 2022
Q3 2021 Added +28K +$40K +22.2% 156K Nov 15, 2021
Q2 2021 Reduced −92K −$163K −41.9% 128K Aug 16, 2021
Q1 2021 First covered – – – 220K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

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Common questions

Does Ken Griffin own ADMA?

Yes. As of Q1 2026, Ken Griffin disclosed 5.8M shares of ADMA, worth $53M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy ADMA?

Ken Griffin held ADMA 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 Ken Griffin sell ADMA?

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

How many shares of ADMA does Ken Griffin own?

Ken Griffin disclosed 5.8M shares of ADMA as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for ADMA?

Ken Griffin's estimated average buy price for ADMA is $16.14, from quarter-average prices weighted by the shares added each quarter. 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.