ALNY — ALNYLAM PHARMACEUTICALS, 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
0 buys · 1 sells · by trade date
Latest filing
09-09
2026-09-09
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
640
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 ALNY · NEWEST FILED FIRST · EVERY HIT CARRIES ITS RECEIPTSignals ↗
Active signal hits naming ALNY, newest filed first
KindWhoTraded → FiledSizeSrc
first disclosure of this ticker by this member within the corpus — era-scoped: coverage begins 2014-01-03, so an earlier first disclosure cannot be seen and is not claimed againstBookerTraded → Filed +29d$1.0K–$15.0K

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

Congress 18Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 2 rows ▲ buy, ▼ sell; height = lower bound (log scale); ringed = on Signals. Trade date, not filing date — the filing lag is in the table below.

2 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 ALNY

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 ALNY 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.
Cory A. Booker D–NJ1−$15.0K to −$1.0K4

1 member

Congressional disclosures

Signals rows first, then newestAll 18 rows ↗
Latest congressional filings mentioning ALNY, the rows on Signals first
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-09-09Cory A. Booker D–NJ On SignalsSELL SP (spouse-owned)Traded 08-11 +29d$1K–$15K
2025-06-22Jefferson Shreve R–IN-6SELLTraded 05-12 +41d$15K–$50K
2024-02-15Josh Gottheimer D–NJ-5SELL JT (jointly owned)Traded 01-29 +17d$1K–$15K
2024-02-15Josh Gottheimer D–NJ-5BUY JT (jointly owned)Traded 01-11 +35d$1K–$15K
2024-01-07Josh Gottheimer D–NJ-5SELL JT (jointly owned)Traded 2023-12-11 +27d$1K–$15K
2023-04-17Daniel S. Goldman D–NY-10BUYTraded 03-06 +42d$15K–$50K
2023-02-24Daniel S. Goldman D–NY-10SELLTraded 01-31 +24d$15K–$50K
2022-10-16Josh Gottheimer D–NJ-5BUY JT (jointly owned)Traded 09-28 +18d$1K–$15K
2020-12-09Josh Gottheimer D–NJ-5SELL JT (jointly owned)Traded 11-13 +26d$1K–$15K
2020-05-13Josh Gottheimer D–NJ-5BUY JT (jointly owned)Traded 04-06 +37d$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 ALNY for quarter 2026-03-31, 1–25 of 640 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·§
1FMR LLC$4.8B1
derived ·§ EDGAR ↗
2Capital World Investors$3.6B1
derived ·§ EDGAR ↗
3BlackRock, Inc.$3.5B1
derived ·§ EDGAR ↗
4Capital Research Global Investors$3.1B1
derived ·§ EDGAR ↗
5VANGUARD PORTFOLIO MANAGEMENT LLC$2.1B1
derived ·§ EDGAR ↗
6VANGUARD CAPITAL MANAGEMENT LLC$2.0B1
derived ·§ EDGAR ↗
7STATE STREET CORP$1.1B1
derived ·§ EDGAR ↗
8GEODE CAPITAL MANAGEMENT, LLC$885M1
derived ·§ EDGAR ↗
9BAILLIE GIFFORD & CO$825M1
derived ·§ EDGAR ↗
10TWO SIGMA INVESTMENTS, LP$659M1
derived ·§ EDGAR ↗
11WELLINGTON MANAGEMENT GROUP LLP$641M1
derived ·§ EDGAR ↗
12DODGE & COX$638M1
derived ·§ EDGAR ↗
13AMERICAN CENTURY COMPANIES INC$596M1
derived ·§ EDGAR ↗
14Clearbridge Investments, LLC$449M1
derived ·§ EDGAR ↗
15Orbis Allan Gray Ltd$442M1
derived ·§ EDGAR ↗
16Invesco Ltd.$427M1
derived ·§ EDGAR ↗
17D. E. Shaw & Co., Inc.$350M1
derived ·§ EDGAR ↗
18MORGAN STANLEY$332M1
derived ·§ EDGAR ↗
19BANK OF AMERICA CORP /DE/$320M1
derived ·§ EDGAR ↗
20Legal & General Group Plc$309M1
derived ·§ EDGAR ↗
21AQR CAPITAL MANAGEMENT LLC$298M1
derived ·§ EDGAR ↗
22NORTHERN TRUST CORP$284M1
derived ·§ EDGAR ↗
23VANGUARD FIDUCIARY TRUST CO$278M1
derived ·§ EDGAR ↗
24Qube Research & Technologies Ltd$277M1
derived ·§ EDGAR ↗
25ROYAL BANK OF CANADA$262M1
derived ·§ EDGAR ↗
Show the top 500 of 640 holders
Truncated by Public Filings. Top 500 of 640 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 · ALNY

Congress · last 90 days

Buyers
0 — —
Sellers
1 Cory A. Booker D–NJ $1K–$15K

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

Notable managers · quarter ended 2026-03-31

Trimming
0 — $0 held

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

Merged timeline of congressional filings and notable-manager moves on ALNY
DateWhoChangeSize
2026-09-09Cory A. Booker CongressSELL$1K–$15K
2026-05-15Bridgewater Associates 13FADD+20,975 sh
2026-05-15Gotham Asset Management 13FADD+4,088 sh

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

Congress vs filers

12 months
Congress net (rows)0 buy / 1 sell
Congress net ($ bound)−$15.0K to −$1.0K
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.