Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's MACOM Technology Solutions Holdings, Inc. (MTSI) position

Yes: as of Q1 2026, Ken Griffin holds 591K shares of MTSI worth $131M (0.1% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
View full portfolio →
Current value
$131M
Shares held
591K
% of portfolio
0.1%
Est. average buy price (i)
$195.29
est. since Q1 2021
Quarter-end price
$222.07

Estimated trade prices

Average price in quarters with purchases
$110.72
Average prices in quarters with sales
  • Q4 2025: $158.72 (262K shares sold)
  • Q3 2025: $131.97 (993K shares sold)
  • Q2 2024: $101.96 (217K shares sold)
  • Q2 2023: $60.58 (205K shares sold)
  • Q1 2023: $67.55 (141K shares sold)
  • Q3 2022: $54.76 (260K shares sold)
  • Q4 2021: $72.14 (13K shares sold)

MTSI price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$40$200$40020222023202420252026Added 163K shares (113.6%) · Q3 2021. Average closing price $61.44 · Price range $56.81–$67.59163KsharespurchasedSold 13K shares (4.3%) · Q4 2021. Average closing price $72.14 · Price range $62.64–$79.9413KsharessoldAdded 43K shares (14.6%) · Q1 2022. Average closing price $62.51 · Price range $53.97–$79.7543KsharespurchasedAdded 57K shares (16.9%) · Q2 2022. Average closing price $51.58 · Price range $44.52–$59.6057KsharespurchasedSold 260K shares (66.0%) · Q3 2022. Average closing price $54.76 · Price range $44.08–$64.73260KsharessoldAdded 213K shares (159.5%) · Q4 2022. Average closing price $62.45 · Price range $50.37–$71.82213KsharespurchasedSold 141K shares (40.5%) · Q1 2023. Average closing price $67.55 · Price range $61.57–$72.37141KsharessoldSold 205K shares (99.6%) · Q2 2023. Average closing price $60.58 · Price range $53.81–$70.10205KsharessoldAdded 458K shares (over 1,000%) · Q3 2023. Average closing price $73.97 · Price range $61.69–$84.56458KsharespurchasedAdded 311K shares (67.9%) · Q4 2023. Average closing price $82.23 · Price range $70.24–$95.51311KsharespurchasedAdded 17K shares (2.2%) · Q1 2024. Average closing price $88.40 · Price range $79.92–$98.5117KsharespurchasedSold 217K shares (27.6%) · Q2 2024. Average closing price $101.96 · Price range $92.81–$111.47217KsharessoldAdded 252K shares (44.3%) · Q3 2024. Average closing price $104.84 · Price range $95.67–$118.10252KsharespurchasedAdded 12K shares (1.4%) · Q4 2024. Average closing price $125.79 · Price range $107.00–$142.4612KsharespurchasedAdded 208K shares (24.9%) · Q1 2025. Average closing price $121.71 · Price range $96.88–$148.78208KsharespurchasedAdded 346K shares (33.2%) · Q2 2025. Average closing price $116.87 · Price range $87.64–$143.29346KsharespurchasedSold 993K shares (71.6%) · Q3 2025. Average closing price $131.97 · Price range $118.35–$142.11993KsharessoldSold 262K shares (66.3%) · Q4 2025. Average closing price $158.72 · Price range $122.18–$189.91262KsharessoldAdded 457K shares (343.6%) · Q1 2026. Average closing price $223.22 · Price range $167.66–$258.54457Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$223.22
Price range · filing quarter
$167.66 – $258.54
Sign in to see who bought

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +457K +$102M +343.6% 591K May 15, 2026
Q4 2025 Reduced −262K −$42M −66.3% 133K Feb 17, 2026
Q3 2025 Reduced −993K −$131M −71.6% 395K Nov 14, 2025
Q2 2025 Added +346K +$40M +33.2% 1.4M Aug 14, 2025
Q1 2025 Added +208K +$25M +24.9% 1.0M May 15, 2025
Q4 2024 Added +12K +$1.4M +1.4% 834K Feb 14, 2025
Q3 2024 Added +252K +$26M +44.3% 823K Nov 14, 2024
Q2 2024 Reduced −217K −$22M −27.6% 570K Aug 14, 2024
Q1 2024 Added +17K +$1.5M +2.2% 787K May 15, 2024
Q4 2023 Added +311K +$26M +67.9% 770K Feb 14, 2024
Q3 2023 Added +458K +$34M +56,736.7% 459K Nov 14, 2023
Q2 2023 Reduced −205K −$12M −99.6% 807 Aug 14, 2023
Q1 2023 Reduced −141K −$9.5M −40.5% 206K May 15, 2023
Q4 2022 Added +213K +$13M +159.5% 347K Feb 14, 2023
Q3 2022 Reduced −260K −$14M −66.0% 134K Nov 14, 2022
Q2 2022 Added +57K +$2.9M +16.9% 394K Aug 15, 2022
Q1 2022 Added +43K +$2.7M +14.6% 337K May 16, 2022
Q4 2021 Reduced −13K −$945K −4.3% 294K Feb 14, 2022
Q3 2021 Added +163K +$10M +113.6% 307K Nov 15, 2021
Q2 2021 Added +90K +$5.2M +165.8% 144K Aug 16, 2021
Q1 2021 First covered – – – 54K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

More Griffin positions

NVIDIA Corporation(NVDA)
$3.2B
2.3% of portfolio

Amazon.com, Inc.(AMZN)
$1.7B
1.2% of portfolio

Micron Technology, Inc.(MU)
$1.6B
1.1% of portfolio

Taiwan Semiconductor Manufacturing Company Limited(TSM)
$1.4B
1.0% of portfolio

Apple Inc.(AAPL)
$1.3B
0.9% of portfolio

Meta Platforms, Inc.(META)
$1.0B
0.7% of portfolio

Common questions

Does Ken Griffin own MTSI?

Yes. As of Q1 2026, Ken Griffin disclosed 591K shares of MTSI, worth $131M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy MTSI?

Ken Griffin held MTSI 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 MTSI?

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

How many shares of MTSI does Ken Griffin own?

Ken Griffin disclosed 591K shares of MTSI 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 MTSI?

Ken Griffin began building the MTSI 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.