ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 1,134 Value ($000) $370 Avg Close $276.71 Range $205.87 - $327.21

Q1 2025

Shares 6,202 Value ($000) $1,675 Avg Close $257.00 Range $230.79 - $300.90

Q3 2022

Shares 1,999 Value ($000) $400 Avg Close $190.74 Range $135.46 - $236.80

Q2 2022

Shares 62,218 Value ($000) $9,075 Avg Close $141.87 Range $117.58 - $180.35

Q1 2022

Shares 23,996 Value ($000) $3,918 Avg Close $152.35 Range $125.00 - $174.66

Q4 2021

Shares 21,142 Value ($000) $3,585 Avg Close $185.86 Range $154.82 - $212.00

Q3 2021

Shares 11,786 Value ($000) $2,225 Avg Close $187.58 Range $166.16 - $209.73

Q2 2021

Shares 12,582 Value ($000) $2,133 Avg Close $146.46 Range $125.08 - $177.53

Q1 2021

Shares 37,998 Value ($000) $5,365 Avg Close $150.49 Range $124.00 - $178.41

Q2 2020

Shares 10,700 Value ($000) $1,585 Avg Close $134.81 Range $98.01 - $158.37

Q4 2018

Shares 1,990 Value ($000) $145 Avg Close $76.92 Range $60.27 - $90.00

Q3 2018

Shares 29,784 Value ($000) $2,607 Avg Close $100.59 Range $86.95 - $124.22

Q2 2018

Shares 13,863 Value ($000) $1,365 Avg Close $99.19 Range $87.35 - $118.71

Q4 2017

Shares 8,587 Value ($000) $1,091 Avg Close $125.65 Range $111.25 - $147.63

Q3 2017

Shares 68,743 Value ($000) $8,077 Avg Close $85.36 Range $70.76 - $119.02

Q2 2017

Shares 27,142 Value ($000) $2,165 Avg Close $63.91 Range $46.90 - $86.92

Q1 2017

Shares 36,889 Value ($000) $1,891 Avg Close $46.22 Range $35.98 - $60.41

Q4 2016

Shares 22,531 Value ($000) $844 Avg Close $41.87 Range $31.38 - $71.67

Q3 2016

Shares 11,366 Value ($000) $770 Avg Close $70.55 Range $53.56 - $80.11

Q4 2015

Shares 275 Value ($000) $26 Avg Close $92.72 Range $71.14 - $110.75

Q3 2015

Shares 15,975 Value ($000) $1,284 Avg Close $111.10 Range $76.46 - $137.89

Q2 2015

Shares 7,718 Value ($000) $925 Avg Close $119.50 Range $98.63 - $140.00

Q1 2015

Shares 2,881 Value ($000) $301 Avg Close $101.34 Range $82.06 - $121.93

Q3 2014

Shares 13,743 Value ($000) $1,073 Avg Close $64.51 Range $51.93 - $79.88

Q2 2014

Shares 7,565 Value ($000) $478 Avg Close $59.44 Range $47.03 - $71.40

Q1 2014

Shares 9,207 Value ($000) $618 Avg Close $77.42 Range $60.24 - $112.57

Q4 2013

Shares 435 Value ($000) $28 Avg Close $59.65 Range $48.16 - $67.97

Q2 2013

Shares 3,274 Value ($000) $102 Avg Close $26.61 Range $21.60 - $31.79

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,134	$370	$276.71	$205.87 - $327.21
Q1 2025	6,202	$1,675	$257.00	$230.79 - $300.90
Q3 2022	1,999	$400	$190.74	$135.46 - $236.80
Q2 2022	62,218	$9,075	$141.87	$117.58 - $180.35
Q1 2022	23,996	$3,918	$152.35	$125.00 - $174.66
Q4 2021	21,142	$3,585	$185.86	$154.82 - $212.00
Q3 2021	11,786	$2,225	$187.58	$166.16 - $209.73
Q2 2021	12,582	$2,133	$146.46	$125.08 - $177.53
Q1 2021	37,998	$5,365	$150.49	$124.00 - $178.41
Q2 2020	10,700	$1,585	$134.81	$98.01 - $158.37
Q4 2018	1,990	$145	$76.92	$60.27 - $90.00
Q3 2018	29,784	$2,607	$100.59	$86.95 - $124.22
Q2 2018	13,863	$1,365	$99.19	$87.35 - $118.71
Q4 2017	8,587	$1,091	$125.65	$111.25 - $147.63
Q3 2017	68,743	$8,077	$85.36	$70.76 - $119.02
Q2 2017	27,142	$2,165	$63.91	$46.90 - $86.92
Q1 2017	36,889	$1,891	$46.22	$35.98 - $60.41
Q4 2016	22,531	$844	$41.87	$31.38 - $71.67
Q3 2016	11,366	$770	$70.55	$53.56 - $80.11
Q4 2015	275	$26	$92.72	$71.14 - $110.75
Q3 2015	15,975	$1,284	$111.10	$76.46 - $137.89
Q2 2015	7,718	$925	$119.50	$98.63 - $140.00
Q1 2015	2,881	$301	$101.34	$82.06 - $121.93
Q3 2014	13,743	$1,073	$64.51	$51.93 - $79.88
Q2 2014	7,565	$478	$59.44	$47.03 - $71.40
Q1 2014	9,207	$618	$77.42	$60.24 - $112.57
Q4 2013	435	$28	$59.65	$48.16 - $67.97
Q2 2013	3,274	$102	$26.61	$21.60 - $31.79