AMKR — AMKOR TECHNOLOGY, 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
3
all time
Members · 12m
1
3 buys · 0 sells · by trade date
Latest filing
03-02
2026-03-02
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.
0
every row filed inside 45 days
13F holders
483
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
Congress 3Institutional 483

Congress · disclosure timeline

By trade date · 24 months · 3 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

3 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in AMKR

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 AMKR 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.
Markwayne Mullin R–OK3$45.0K to $150K

Committees: none of these members sat on a committee as of their latest trade in the window.

1 member

Congressional disclosures

Newest filed firstAll 3 rows ↗
Latest congressional filings mentioning AMKR
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-03-02Markwayne Mullin R–OKBUY JT (jointly owned)Traded 02-04 +26d$15K–$50K
2026-02-04Markwayne Mullin R–OKBUYTraded 01-05 +30d$15K–$50K
2026-02-04Markwayne Mullin R–OKBUY SP (spouse-owned)Traded 01-05 +30d$15K–$50K

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 AMKR for quarter 2026-03-31, 1–25 of 483 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·§
1BlackRock, Inc.$584M1
derived ·§ EDGAR ↗
2DIMENSIONAL FUND ADVISORS LP$495M1
derived ·§ EDGAR ↗
3VANGUARD PORTFOLIO MANAGEMENT LLC$410M1
derived ·§ EDGAR ↗
4VANGUARD CAPITAL MANAGEMENT LLC$245M1
derived ·§ EDGAR ↗
5STATE STREET CORP$163M1
derived ·§ EDGAR ↗
6EARNEST PARTNERS LLC$155M1
derived ·§ EDGAR ↗
7AQR CAPITAL MANAGEMENT LLC$141M1
derived ·§ EDGAR ↗
8Point72 Asset Management, L.P.$135M1
derived ·§ EDGAR ↗
9GEODE CAPITAL MANAGEMENT, LLC$123M1
derived ·§ EDGAR ↗
10AMERICAN CENTURY COMPANIES INC$122M1
derived ·§ EDGAR ↗
11PRINCIPAL FINANCIAL GROUP INC$118M1
derived ·§ EDGAR ↗
12JANE STREET GROUP, LLC$105M1
derived ·§ EDGAR ↗
13CHARLES SCHWAB INVESTMENT MANAGEMENT INC$94.6M1
derived ·§ EDGAR ↗
14Fisher Asset Management, LLC$90.6M1
derived ·§ EDGAR ↗
15Invesco Ltd.$85.1M1
derived ·§ EDGAR ↗
16FIRST TRUST ADVISORS LP$80.8M1
derived ·§ EDGAR ↗
17Bridgewater Associates, LP$71.2M1
derived ·§ EDGAR ↗
18D. E. Shaw & Co., Inc.$67.0M1
derived ·§ EDGAR ↗
19Allianz Asset Management GmbH$62.3M1
derived ·§ EDGAR ↗
20MORGAN STANLEY$61.8M1
derived ·§ EDGAR ↗
21TWO SIGMA INVESTMENTS, LP$54.7M1
derived ·§ EDGAR ↗
22UBS Group AG$51.2M1
derived ·§ EDGAR ↗
23Gotham Asset Management, LLC$48.3M1
derived ·§ EDGAR ↗
24Trexquant Investment LP$48.0M1
derived ·§ EDGAR ↗
25VOLORIDGE INVESTMENT MANAGEMENT, LLC$47.8M1
derived ·§ EDGAR ↗
Show all 483 holders
Truncated by Public Filings. All 424 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 · AMKR

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

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

Notable managers · quarter ended 2026-03-31

Trimming
1 Gotham Asset Management $48.3M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · AMKOR TECHNOLOGY INC

Merged timeline of congressional filings and notable-manager moves on AMKR
DateWhoChangeSize
2026-05-15Bridgewater Associates 13FADD+1,504,790 sh
2026-05-15Gotham Asset Management 13FTRIM−119,382 sh
2026-05-14Caxton Associates 13FNEW+4,887 sh

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

Congress vs filers

12 months
Congress net (rows)3 buy / 0 sell
Congress net ($ bound)$45.0K to $150K
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.