# MACOM TECH SOLUTIONS HLDGS I (MTSI) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 55405Y100
Page URL: https://superinvestorclub.com/stock/MTSI
Last updated: 2026-08-29T13:48:59.644Z

## Summary

As of the most recent 13F filing period, MACOM TECH SOLUTIONS HLDGS I (MTSI) is held by 2 tracked superinvestors with an aggregate position value of $1.5M representing 020481792 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Polen Capital](https://superinvestorclub.com/manager/271) | Polen Capital Management | 2048 | $778,998 | 0.01% | 2026-06-30 |
| 2 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 1792 | $681,623 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $7.3M aggregate, 076466 shares
- 2025-09-30: 1 holders, $3.4M aggregate, 027192 shares
- 2025-12-31: 1 holders, $2.9M aggregate, 017122 shares
- 2026-03-31: 2 holders, $2.6M aggregate, 0107231063 shares
- 2026-06-30: 2 holders, $1.5M aggregate, 020481792 shares

## Recent congressional trades (9)

- 2026-05-22: Gilbert Cisneros (D-CA) sale $1,001 - $15,000
- 2026-03-27: Gilbert Cisneros (D-CA) sale $1,001 - $15,000
- 2026-03-03: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2026-01-20: Gil Cisneros (Democrat-CA) sale $1,001 - $15,000
- 2026-01-20: Gilbert Cisneros (D-CA) sale $1,001 - $15,000
- 2025-11-13: Gilbert Cisneros (D-CA) sale $1,001 - $15,000
- 2025-11-13: Gil Cisneros (Democrat-CA) sale $1,001 - $15,000
- 2025-04-09: Josh Gottheimer (Democrat-NJ) sale $1,001 - $15,000
- 2025-02-10: Rob Bresnahan (Republican-PA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "MACOM TECH SOLUTIONS HLDGS I (MTSI) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MTSI), aggregating SEC 13F, Form 4, and congressional disclosures."