COST — COSTCO WHOLESALE CORP /NEWToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
218
all time
Members · 12m
7
5 buys · 5 sells · by trade date
Latest filing
10-27
2026-10-27
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.
49
13F holders
3,708
top 500 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 COST · NEWEST FILED FIRST · EVERY HIT CARRIES ITS RECEIPTSignals ↗
Active signal hits naming COST, newest filed first
KindWhoTraded → FiledSizeSrc
amount lower bound ≥ $250K — the disclosed lower bound, never the upperSessionsTraded → Filed +25d$250K–$500K

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

Congress 218Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 34 rows ▲ buy, ▼ sell; height = lower bound (log scale); ringed = on Signals. Trade date, not filing date — the filing lag is in the table below.

34 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M; 1 ringed mark is a line of the Signals row above, pinned in the table below.

Members active in COST

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 COST 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-312−$14.0K to $14.0K2
Pete Sessions R–TX-172−$750K to −$350K2
Richard McCormick R–GA-72−$14.0K to $14.0K3
Alan Armstrong R–OK1$1.0K to $15.0K2
Dan Newhouse R–WA-41$1.0K to $15.0K3
Markwayne Mullin R–OK1$15.0K to $50.0K—
Rick W. Allen R–GA-121−$15.0K to −$1.0K2

7 members

Congressional disclosures

Signals rows first, then newestAll 218 rows ↗
Latest congressional filings mentioning COST, the rows on Signals first
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-10-27Pete Sessions R–TX-17 On SignalsSELL SP (spouse-owned)Traded 10-02 +25d$250K–$500K
2026-10-27Pete Sessions R–TX-17SELLTraded 10-13 +14d$100K–$250K
2026-10-14Rick W. Allen R–GA-12SELL SP (spouse-owned)Traded 09-18 +26d$1K–$15K
2026-08-14Richard McCormick R–GA-7SELLTraded 07-30 +15d$1K–$15K
2026-07-21Alan Armstrong R–OKBUYTraded 03-27 LATE·116d$1K–$15K
2026-07-17Dan Newhouse R–WA-4BUY SP (spouse-owned)Traded 07-10 +7d$1K–$15K
2026-02-13Gilbert Ray Cisneros, Jr. D–CA-31BUYTraded 01-30 +14d$1K–$15K
2026-01-16Markwayne Mullin R–OKBUY JT (jointly owned)Traded 2025-12-29 +18d$15K–$50K
2026-01-12Gilbert Ray Cisneros, Jr. D–CA-31SELL partial (partial sale)Traded 2025-12-24 +19d$1K–$15K
2025-12-09Richard McCormick R–GA-7BUYTraded 11-05 +34d$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

All holders ↗
Top institutional holders of COST for quarter 2026-03-31, 1–25 of 3,708 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 (the full holders view shows them), but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$34.8B1
derived ·§ EDGAR ↗
2VANGUARD CAPITAL MANAGEMENT LLC$28.7B1
derived ·§ EDGAR ↗
3STATE STREET CORP$18.1B1
derived ·§ EDGAR ↗
4VANGUARD PORTFOLIO MANAGEMENT LLC$10.7B1
derived ·§ EDGAR ↗
5GEODE CAPITAL MANAGEMENT, LLC$10.6B1
derived ·§ EDGAR ↗
6MORGAN STANLEY$9.9B1
derived ·§ EDGAR ↗
7BANK OF AMERICA CORP /DE/$7.5B1
derived ·§ EDGAR ↗
8FMR LLC$6.7B1
derived ·§ EDGAR ↗
9NORTHERN TRUST CORP$4.9B1
derived ·§ EDGAR ↗
10Invesco Ltd.$4.3B1
derived ·§ EDGAR ↗
11JPMORGAN CHASE & CO$4.0B1
derived ·§ EDGAR ↗
12ROYAL BANK OF CANADA$3.7B1
derived ·§ EDGAR ↗
13CHARLES SCHWAB INVESTMENT MANAGEMENT INC$3.4B1
derived ·§ EDGAR ↗
14Bank of New York Mellon Corp$3.4B1
derived ·§ EDGAR ↗
15Fisher Asset Management, LLC$3.2B1
derived ·§ EDGAR ↗
16GOLDMAN SACHS GROUP INC$3.2B1
derived ·§ EDGAR ↗
17WELLS FARGO & COMPANY/MN$3.1B1
derived ·§ EDGAR ↗
18Nuveen, LLC$3.1B1
derived ·§ EDGAR ↗
19UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$2.9B1
derived ·§ EDGAR ↗
20Amundi$2.8B1
derived ·§ EDGAR ↗
21Capital International Investors$2.7B1
derived ·§ EDGAR ↗
22VANGUARD FIDUCIARY TRUST CO$2.6B1
derived ·§ EDGAR ↗
23Legal & General Group Plc$2.5B1
derived ·§ EDGAR ↗
24UBS Group AG$2.5B1
derived ·§ EDGAR ↗
25ALLIANCEBERNSTEIN L.P.$2.4B1
derived ·§ EDGAR ↗
Show the top 500 of 3,708 holders
Truncated by Public Filings. Top 500 of 3,708 holders shown; the rest are on EDGAR. Method ↗

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

Congress ↔ notable managers · COST

Congress · last 90 days

Buyers
0 — —
Sellers
3 Pete Sessions R–TX-17, Richard McCormick R–GA-7, Rick W. Allen R–GA-12 $352K–$780K

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

Notable managers · quarter ended 2026-03-31

Adding
1 Tudor Investment Corp $17.0M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · COSTCO WHOLESALE CORPORATION

Merged timeline of congressional filings and notable-manager moves on COST
DateWhoChangeSize
2026-10-27Pete Sessions CongressSELL$100K–$250K
2026-10-27Pete Sessions CongressSELL$250K–$500K
2026-10-14Rick W. Allen CongressSELL$1K–$15K
2026-08-14Richard McCormick CongressSELL$1K–$15K
2026-05-15Tudor Investment Corp 13FNEW+17,013 sh
2026-05-15Bridgewater Associates 13FTRIM−2,724 sh
2026-05-15Gotham Asset Management 13FTRIM−2,690 sh
2026-05-14Caxton Associates 13FTRIM−94 sh

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

Congress vs filers

12 months
Congress net (rows)5 buy / 5 sell
Congress net ($ bound)−$776K to −$243K
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.