13FPulse
AL

ALNY ALNYLAM PHARMACEUTICALS INC

2026Q2 · CUSIP 02043Q107 · Sector: Healthcare & Biotech

Normal

Fund flows are within the usual range

Funds that own it
764
Institutions that reported holding it to the SEC
Net decrease in holders
21
Last quarter 785 → now 764
How unusual is that
Bottom 20%
Stronger than only 6% of US stocks
What the filings say, in one paragraph

764 funds held ALNY at the end of 2026Q2, down 21 from the quarter before. Fund flows are within the usual range — nothing unusual. On the business itself, revenue over the last 12 months was $3.7B(YoY +65.2%), the P/E is 114.8x, return on equity is 39.8%. ALNY has had 22 buying rushes in its history, and the price moved +10.0% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Healthcare & Biotech sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2013Q3: holders=158 2013Q4: holders=163 2014Q1: holders=195 2014Q2: holders=190 2014Q3: holders=183 2014Q4: holders=214 2015Q1: holders=232 2015Q2: holders=271 2015Q3: holders=256 2015Q4: holders=258 2016Q1: holders=252 2016Q2: holders=246 2016Q3: holders=253 2016Q4: holders=207 2017Q1: holders=198 2017Q2: holders=222 2017Q3: holders=228 2017Q4: holders=276 2018Q1: holders=291 2018Q2: holders=303 2018Q3: holders=302 2018Q4: holders=278 2019Q1: holders=284 2019Q2: holders=286 2019Q3: holders=280 2019Q4: holders=313 2020Q1: holders=325 2020Q2: holders=372 2020Q3: holders=353 2020Q4: holders=371 2021Q1: holders=387 2021Q2: holders=394 2021Q3: holders=402 2021Q4: holders=431 2022Q1: holders=438 2022Q2: holders=416 2022Q3: holders=491 2022Q4: holders=484 2023Q1: holders=474 2023Q2: holders=470 2023Q3: holders=452 2023Q4: holders=498 2024Q1: holders=494 2024Q2: holders=521 2024Q3: holders=562 2024Q4: holders=594 2025Q1: holders=624 2025Q2: holders=653 2025Q3: holders=818 2025Q4: holders=849 2026Q1: holders=785 2026Q2: holders=764 -165 -82.5 +0 +82.5 +165 142517892 13Q315Q116Q318Q119Q321Q122Q324Q125Q326Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 22 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2025Q4 Top 20% -12.0%
2025Q3 Top 1% in the market -26.3% -35.2%
2025Q2 Top 20% -1.7% -27.2%
2025Q1 Top 10% +57.0% +57.8%
2024Q4 Top 20% +11.3% +78.2%
2024Q3 Top 10% +7.9% +24.4%
2024Q2 Top 10% -3.9% -6.6%
2023Q4 Top 20% +1.6% +86.7%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
307
Change in large funds
+21
Total value they hold
$42.2B
Funds buying for the first time
90
Funds that sold out entirely
111
Price change that quarter
-6.6%
Funds holding puts (bearish)
17
Funds holding calls (bullish)
19

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
114.8
EPS (TTM)
$2.33
EPS YoY
Revenue (TTM)
$3.7B
Revenue YoY
+65.2%
Net margin
8.5%
ROE
39.8%
Debt ratio
84.1%
FCF (TTM)
$465M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2022-03-31: EPS -2.00 2022-06-30: EPS -2.29 2022-09-30: EPS -3.32 2022-12-31: EPS -1.69 2023-03-31: EPS -1.40 2023-06-30: EPS -2.21 2023-09-30: EPS 1.15 2023-12-31: EPS -1.06 2024-03-31: EPS -0.52 2024-06-30: EPS -0.13 2024-09-30: EPS -0.87 2024-12-31: EPS -0.66 2025-03-31: EPS -0.14 2025-06-30: EPS -0.51 2025-09-30: EPS 1.84 2025-12-31: EPS 1.14 0B 0.6B 1.2B $B -3.65 -0.81 2.02 20172018201920202021202220232024202512/25 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
121 506 890 2025

P/E = close around day 47 after quarter-end ÷ TTM EPS then; this is a consistent valuation date, not the company’s actual filing date; loss quarters hidden

Quarterly free cash flow
-266M38M342M 2016201720182019202020212022202320242025
Latest quarter $140M (2025-12-31)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2025-12-31 · SEC filings (XBRL)

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2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.