HOLX · Insider trading · 13F holders · Congress trades
Hologic, Inc. (HOLX) (HOLX)
Who is buying and selling HOLX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 2
HOLX at a glance
- No open-market insider purchases or sales of HOLX were filed in the last 90 days.
- 2 13F filers hold HOLX among their 50 largest positions, worth $16.9M combined. The biggest bets by portfolio weight are CIBRA Capital Ltd (7.6%) and Bck Capital Management LP (4.6%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- Members of Congress have disclosed 19 HOLX trades since 2016, 1 purchase and 1 sale in the past year; the latest was Alan Armstrong (R-OK), buying $1K–15K on Mar 27, 2026.
HOLX insider trading
No open-market insider purchases or sales of HOLX were filed in the last 90 days.
Who owns HOLX? Hedge funds and superinvestors
2 13F filers hold HOLX among their 50 largest positions, worth $16.9M combined. The biggest bets by portfolio weight are CIBRA Capital Ltd (7.6%) and Bck Capital Management LP (4.6%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| CIBRA Capital LtdHedge fund | 7.6% | $15.8M | 208,996 | +232.6% shares | Q1 2026 |
| Bck Capital Management LPHedge fund | 4.6% | $1.1M | 14,000 | New | Q1 2026 |
Each manager counts with its latest 13F (Q1 2026: 2). Screen HOLX in the grand portfolio →
HOLX stock trades by members of Congress
Members of Congress have disclosed 19 HOLX trades since 2016, 1 purchase and 1 sale in the past year; the latest was Alan Armstrong (R-OK), buying $1K–15K on Mar 27, 2026.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jul 21, 2026 | Alan ArmstrongR-OK · Senate | Buy | $1K–15K | Mar 27, 2026 | — |
| May 14, 2026 | Laura FriedmanD-CA · House | Sale | $1K–15K | Apr 8, 2026 | — |
| May 14, 2026 | Laura FriedmanD-CA · House | Exchange | $1K–15K | Apr 8, 2026 | — |
| Apr 7, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Mar 31, 2025 | — |
| Feb 2, 2023 | Thomas R. CarperD-DE · Senate | Sale | $1K–15K | Jan 11, 2023 | — |
| Dec 29, 2022 | Susie LeeD-NV · House | Sale | $1K–15K | Nov 30, 2022 | — |
| Aug 13, 2022 | Susie LeeD-NV · House | Buy | $1K–15K | Sep 30, 2021 | — |
| Jun 14, 2021 | Susie LeeD-NV · House | Sale | $1K–15K | May 26, 2021 | — |
| Apr 10, 2021 | Tom MalinowskiD-NJ · House | Sale | $1K–15K | Mar 12, 2021 | — |
| Mar 6, 2021 | Tom MalinowskiD-NJ · House | Sale | $15K–50K | Feb 23, 2021 | — |
| Dec 28, 2020 | Katherine M. ClarkD-MA · House | Sale | $1K–15K | Nov 5, 2020 | — |
| Dec 28, 2020 | Katherine M. ClarkD-MA · House | Sale | $1K–15K | Nov 5, 2020 | — |
| Dec 3, 2020 | Katherine M. ClarkD-MA · House | Buy | $1K–15K | Oct 22, 2020 | — |
| Dec 3, 2020 | Katherine M. ClarkD-MA · House | Buy | $1K–15K | Oct 22, 2020 | — |
| Oct 24, 2020 | Susie LeeD-NV · House | Buy | $1K–15K | Sep 18, 2020 | — |
| Mar 18, 2019 | Jack ReedD-RI · Senate | Sale | $1K–15K | Feb 28, 2019 | — |
| Dec 12, 2018 | Jack ReedD-RI · Senate | Buy | $1K–15K | Nov 28, 2018 | — |
| Jun 12, 2018 | Susan M. CollinsR-ME · Senate | Sale | $15K–50K | May 4, 2018 | — |
| May 10, 2017 | Susan M. CollinsR-ME · Senate | Buy | $15K–50K | Dec 1, 2016 | — |
9 members have traded HOLX: Alan Armstrong, Laura Friedman, Gilbert Ray Cisneros, Jr., Thomas R. Carper, Susie Lee, Tom Malinowski, Katherine M. Clark, Jack Reed and others.
HOLX questions and answers
Are insiders buying HOLX stock?
No open-market insider purchases or sales of HOLX were filed in the last 90 days.
Which hedge funds own HOLX?
2 13F filers hold HOLX among their 50 largest positions, worth $16.9M combined. The biggest bets by portfolio weight are CIBRA Capital Ltd (7.6%) and Bck Capital Management LP (4.6%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded HOLX?
Members of Congress have disclosed 19 HOLX trades since 2016, 1 purchase and 1 sale in the past year; the latest was Alan Armstrong (R-OK), buying $1K–15K on Mar 27, 2026.
Who is the largest holder of HOLX?
Among 13F filers, CIBRA Capital Ltd reports the largest HOLX position, $15.8M (208,996 shares) in its Q1 2026 13F. The biggest bet by portfolio weight is CIBRA Capital Ltd's: 7.6% of its portfolio.
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