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Equity · Healthcare

ALNY

Alnylam Pharmaceuticals, Inc. · NasdaqGS

$260 −2.31% 1D Finazon · prior-day close · Sep 8, 2026
Price · Chart
Our own end-of-day closes 61 sessions
$350 $200 11 Jun 8 Sep

The line runs $289.28 on 11 June through $260 on 8 September, on a scale from $200 to $350. Days the market did not trade hold the previous close, flat.

The chart above plots the price of ALNY over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 61 sessions over that window: $289.28 on 11 June 2026 through $260 on 8 September 2026.

Market cap $34.8B
P/E (TTM) 159.5
52-week range $203 – $491
Avg volume 353.7K

Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Sep 9, 2026

ALNY insider trades

SEC Form 4

ALNY has no Form 4 filing in the last 90 days, so there is no summary for that window. The most recent filings we hold are below, the newest dated 1 June 2026.

Date Insider Type Shares Value
01 Jun 2026 PYOTT DAVID E I Director Sell 3,830 $1.15M
06 Apr 2026 McLaughlin Melissa Chief Human Resources Officer Sell 2,286 $755K
02 Apr 2026 McLaughlin Melissa Chief Human Resources Officer Sell 1,624 $519K
17 Nov 2025 Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sell 12,128 $5.48M
13 Nov 2025 Greenstreet Yvonne Chief Executive Officer Sell 10,000 $4.51M
12 Nov 2025 Greenstreet Yvonne Chief Executive Officer Sell 15,650 $7.10M
03 Oct 2025 Garg Pushkal EVP Chief R&D Sell 3,022 $1.36M
02 Oct 2025 Garg Pushkal EVP Chief R&D Sell 2,937 $1.33M
02 Oct 2025 Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sell 2,441 $1.10M
02 Oct 2025 Tanguler Tolga EVP, Chief Commercial Officer Sell 1,405 $635K
02 Oct 2025 Greenstreet Yvonne Chief Executive Officer Sell 8,248 $3.73M

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
01 Jun 2026 PYOTT DAVID E I Director Option exercise 3,830
20 May 2026 Arbuckle Stuart A Director Award 671
20 May 2026 Ausiello Dennis A Director Award 671
20 May 2026 BRANDICOURT OLIVIER Director Award 671
20 May 2026 HAMBURG MARGARET A Director Award 671
20 May 2026 KELLOGG PETER N Director Award 671
20 May 2026 PYOTT DAVID E I Director Award 671
20 May 2026 Reitan Colleen F Director Award 671
20 May 2026 SCHULMAN AMY W Director Award 838
20 May 2026 Sigal Charles Elliott Director Award 671
13 May 2026 SCHULMAN AMY W Director Option exercise 11,250 $790K
26 Nov 2025 Greenstreet Yvonne Chief Executive Officer Tax withheld 1,121 $499K

Showing the 12 most recent of 16 compensation filings in this window. The figures above count all of them.

ALNY reported financials

SEC EDGAR XBRL

ALNY reported revenue of $3.7B for the fiscal year ended 31 Dec 2025. Net income over the same period was $313.7M.

Figure Reported Period
Revenue $3.7B 31 Dec 2025 fiscal year
Net income $313.7M 31 Dec 2025 fiscal year
Diluted EPS $2.33 31 Dec 2025 fiscal year
Total assets $5.6B 30 Jun 2026 at period end
Total equity $1.4B 30 Jun 2026 at period end

Source: SEC EDGAR XBRL company facts · latest period ended 30 Jun 2026

ALNY earnings

SEC EDGAR
Date Period EPS Revenue
30 Jun 2026 Q2 2026 $1.21
31 Dec 2025 FY 2025 $2.33
30 Sep 2025 FY 2025 $1.51
30 Jun 2025 FY 2025 $-0.70
31 Mar 2025 FY 2025 $-0.14
31 Dec 2024 FY 2024 $-2.18

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

ALNY institutional holders

SEC Form 13F

10 of the 45 institutional funds we track reported a ALNY position for the quarter ended 30 Jun 2026 — a combined $1.5B; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
Two Sigma Investments Held (±25%) −5.9% shares 1,875,937 $564.7M
D. E. Shaw & Co. Held (±25%) +4.3% shares 1,104,109 $332.4M
AQR Capital Management Held (±25%) −20.3% shares 728,039 $219.0M
Millennium Management Trimmed −29.4% shares 316,001 $95.1M
Marshall Wace Trimmed −76.4% shares 259,799 $78.2M
Citadel Advisors Added +715.8% shares 191,029 $57.5M
Man Group Trimmed −26.5% shares 170,907 $51.4M
Bridgewater Associates Held (±25%) −6.6% shares 99,584 $30.0M
Balyasny Asset Management New position 89,510 $26.9M
Fisher Asset Management Held (±25%) +3.4% shares 6,252 $1.9M

Source: SEC EDGAR 13F filings

ALNY fails-to-deliver

SEC CNS data

On 12 Aug 2026, 2 shares of ALNY failed to deliver (about $442).

Settlement date Shares failed Notional % of shares out
12 Aug 2026 2 $442 <0.001%
05 Aug 2026 16 $4K <0.001%
31 Jul 2026 65 $13K <0.001%
28 Jul 2026 100 $28K <0.001%

Source: SEC fails-to-deliver (CNS) data