# HOLOGIC INC (HOLX) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 436440101
Page URL: https://superinvestorclub.com/stock/HOLX
Last updated: 2026-07-08T13:34:37.045Z

## Summary

As of the most recent 13F filing period, HOLOGIC INC (HOLX) is held by 2 tracked superinvestors with an aggregate position value of $1.2M representing 0113033964 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 11303 | $854,394 | 0.00% | 2026-03-31 |
| 2 | [Richard Pzena](https://superinvestorclub.com/manager/288) | Pzena Investment Management | 3964 | $299,639 | 0.00% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-09-30: 1 holders, $2.0M aggregate, 028491 shares
- 2023-12-31: 1 holders, $2.0M aggregate, 028491 shares
- 2024-03-31: 4 holders, $119.8M aggregate, 011085273092439200026491 shares
- 2024-06-30: 4 holders, $118.9M aggregate, 011661153173349200025591 shares
- 2024-09-30: 4 holders, $105.3M aggregate, 010169641648278500025591 shares
- 2024-12-31: 4 holders, $82.4M aggregate, 0970225900005379729591 shares
- 2025-03-31: 5 holders, $98.9M aggregate, 01383628115000513303187119757 shares
- 2025-06-30: 4 holders, $101.9M aggregate, 01382690115000582307314 shares
- 2025-09-30: 4 holders, $103.6M aggregate, 013376531130006105023572 shares
- 2025-12-31: 3 holders, $3.4M aggregate, 028000134484109 shares
- 2026-03-31: 2 holders, $1.2M aggregate, 0113033964 shares

## Recent congressional trades (20)

- 2025-11-07: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-11-07: Ro Khanna (Democrat-CA) sale $15,001 - $50,000
- 2025-11-06: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-10-21: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-10-20: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-06-26: Ro Khanna (Democrat-CA) sale $50,001 - $100,000
- 2025-05-09: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-05-08: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-05-02: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-09: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-04: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-03-31: Gil Cisneros (Democrat-CA) sale $1,001 - $15,000
- 2025-03-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-18: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-17: Ro Khanna (Democrat-CA) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "HOLOGIC INC (HOLX) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/HOLX), aggregating SEC 13F, Form 4, and congressional disclosures."