MTSI — MACOM Technology Solutions Holdings, Inc.Today's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
18
all time
Members · 12m
1
1 buys · 7 sells · by trade date
Latest filing
10-12
2026-10-12
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
1
13F holders
419
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29

On Signals

ACTIVE HITS NAMING MTSI · NEWEST FILED FIRST · EVERY HIT CARRIES ITS RECEIPTSignals ↗
Active signal hits naming MTSI, newest filed first
KindWhoTraded → FiledSizeSrc
a disclosed trade in an issuer whose sector falls within a committee the member sat on as of the trade date (versioned mapping; membership dated) — context only: no legal, ethical, or causal conflict is established or impliedCisnerosTraded → Filed +13d$15.0K–$50.0K
a disclosed trade in an issuer whose sector falls within a committee the member sat on as of the trade date (versioned mapping; membership dated) — context only: no legal, ethical, or causal conflict is established or impliedCisnerosTraded → Filed +21d$1.0K–$15.0K
a disclosed trade in an issuer whose sector falls within a committee the member sat on as of the trade date (versioned mapping; membership dated) — context only: no legal, ethical, or causal conflict is established or impliedCisnerosTraded → Filed +50d$1.0K–$15.0K

1–3 of 3 lines · 3 hits · each kind word opens its exact rule · every hit is in signals.v1.json.

COMMITTEE: Context, not an allegation.

Congress 18Institutional 419

Congress · disclosure timeline

By trade date · 24 months · 10 rows ▲ buy, ▼ sell; height = lower bound (log scale); ringed = on Signals. Trade date, not filing date — the filing lag is in the table below.

10 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M; 3 ringed marks are lines of the Signals row above, pinned in the table below.

Members active in MTSI

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).
Members disclosing MTSI in the trailing 12 months
MemberRowsNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.Number of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
Gilbert Ray Cisneros, Jr. D–CA-318−$139K to −$6.0K2

1 member

Congressional disclosures

Signals rows first, then newestAll 18 rows ↗
Latest congressional filings mentioning MTSI, the rows on Signals first
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-10-12Gilbert Ray Cisneros, Jr. D–CA-31 On SignalsSELLTraded 09-29 +13d$15K–$50K
2026-10-12Gilbert Ray Cisneros, Jr. D–CA-31 On SignalsSELL partial (partial sale)Traded 09-21 +21d$1K–$15K
2026-09-04Gilbert Ray Cisneros, Jr. D–CA-31 On SignalsSELL partial (partial sale)Traded 07-16 LATE·50d$1K–$15K
2026-06-08Gilbert Ray Cisneros, Jr. D–CA-31SELL partial (partial sale)Traded 05-22 +17d$1K–$15K
2026-04-07Gilbert Ray Cisneros, Jr. D–CA-31SELL partial (partial sale)Traded 03-27 +11d$1K–$15K
2026-04-07Gilbert Ray Cisneros, Jr. D–CA-31BUYTraded 03-03 +35d$1K–$15K
2026-02-13Gilbert Ray Cisneros, Jr. D–CA-31SELL partial (partial sale)Traded 01-20 +24d$1K–$15K
2025-12-15Gilbert Ray Cisneros, Jr. D–CA-31SELL partial (partial sale)Traded 11-13 +32d$1K–$15K
2025-05-14Josh Gottheimer D–NJ-5SELL partial · JT (partial sale, jointly owned)Traded 04-09 +35d$1K–$15K
2025-03-07Robert P. Bresnahan, Jr. R–PA-8BUYTraded 02-10 +25d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of MTSI for quarter 2026-03-31, 1–25 of 419 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1FMR LLC$2.4B1
derived ·§ EDGAR ↗
2BlackRock, Inc.$1.9B1
derived ·§ EDGAR ↗
3Invesco Ltd.$816M1
derived ·§ EDGAR ↗
4VANGUARD PORTFOLIO MANAGEMENT LLC$797M1
derived ·§ EDGAR ↗
5VANGUARD CAPITAL MANAGEMENT LLC$665M1
derived ·§ EDGAR ↗
6STATE STREET CORP$478M1
derived ·§ EDGAR ↗
7WELLINGTON MANAGEMENT GROUP LLP$344M1
derived ·§ EDGAR ↗
8Capital Research Global Investors$272M1
derived ·§ EDGAR ↗
9Whale Rock Capital Management LLC$261M1
derived ·§ EDGAR ↗
10Artisan Partners Limited Partnership$233M1
derived ·§ EDGAR ↗
11Polar Capital Holdings Plc$207M1
derived ·§ EDGAR ↗
12MASSACHUSETTS FINANCIAL SERVICES CO /MA/$184M1
derived ·§ EDGAR ↗
13UBS Group AG$180M1
derived ·§ EDGAR ↗
14Janus Henderson Group Ltd.$174M1
derived ·§ EDGAR ↗
15BARCLAYS PLC$163M1
derived ·§ EDGAR ↗
16CHARLES SCHWAB INVESTMENT MANAGEMENT INC$147M1
derived ·§ EDGAR ↗
17NOMURA ASSET MANAGEMENT INTERNATIONAL INC.$141M1
derived ·§ EDGAR ↗
18ALLIANCEBERNSTEIN L.P.$135M1
derived ·§ EDGAR ↗
19CITADEL ADVISORS LLC$131M1
derived ·§ EDGAR ↗
20RAYMOND JAMES FINANCIAL INC$127M1
derived ·§ EDGAR ↗
21MORGAN STANLEY$123M1
derived ·§ EDGAR ↗
22NORTHERN TRUST CORP$118M1
derived ·§ EDGAR ↗
23DIMENSIONAL FUND ADVISORS LP$117M1
derived ·§ EDGAR ↗
24Stephens Investment Management Group LLC$115M1
derived ·§ EDGAR ↗
25FRANKLIN RESOURCES INC$111M1
derived ·§ EDGAR ↗
Show all 419 holders
Truncated by Public Filings. All 373 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · MTSI

Congress · last 90 days

Buyers
0 — —
Sellers
1 Gilbert Ray Cisneros, Jr. D–CA-31 $17K–$80K

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Trimming
1 Bridgewater Associates $2.4M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · MACOM TECH SOLUTIONS HLDGS I

Merged timeline of congressional filings and notable-manager moves on MTSI
DateWhoChangeSize
2026-10-12Gilbert Ray Cisneros, Jr. CongressSELL$15K–$50K
2026-10-12Gilbert Ray Cisneros, Jr. CongressSELL$1K–$15K
2026-09-04Gilbert Ray Cisneros, Jr. CongressSELL$1K–$15K
2026-05-15Gotham Asset Management 13FADD+8,017 sh
2026-05-15Bridgewater Associates 13FTRIM−6,399 sh
2026-05-14Caxton Associates 13FNEW+15,345 sh

6 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)1 buy / 7 sell
Congress net ($ bound)−$139K to −$6.0K
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.