SUPERNUS PHARMACEUTICALS INC

Ticker: SUPN CUSIP: 868459108 Class: EQTY

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 703,625 Value ($000) $34,970 Avg Close $48.62 Range $43.11 - $57.65

Q3 2025

Shares 732,489 Value ($000) $35,006 Avg Close $40.27 Range $31.35 - $48.44

Q2 2025

Shares 748,641 Value ($000) $23,597 Avg Close $32.05 Range $29.16 - $34.26

Q1 2025

Shares 746,149 Value ($000) $24,436 Avg Close $35.44 Range $30.37 - $40.28

Q4 2024

Shares 753,363 Value ($000) $27,242 Avg Close $35.21 Range $30.83 - $39.37

Q3 2024

Shares 712,395 Value ($000) $22,212 Avg Close $31.21 Range $25.55 - $35.41

Q2 2024

Shares 621,041 Value ($000) $16,613 Avg Close $28.98 Range $25.53 - $34.49

Q1 2024

Shares 592,646 Value ($000) $20,215 Avg Close $29.77 Range $26.27 - $35.44

Q4 2023

Shares 555,930 Value ($000) $16,089 Avg Close $26.51 Range $21.99 - $29.90

Q3 2023

Shares 531,246 Value ($000) $14,646 Avg Close $30.44 Range $27.26 - $32.98

Q2 2023

Shares 542,508 Value ($000) $16,308 Avg Close $34.99 Range $29.59 - $39.09

Q1 2023

Shares 509,806 Value ($000) $18,470 Avg Close $38.45 Range $34.33 - $42.09

Q4 2022

Shares 507,451 Value ($000) $18,101 Avg Close $34.75 Range $30.00 - $38.40

Q3 2022

Shares 467,774 Value ($000) $15,834 Avg Close $32.54 Range $28.16 - $36.08

Q2 2022

Shares 429,451 Value ($000) $12,420 Avg Close $28.64 Range $24.95 - $34.45

Q1 2022

Shares 402,290 Value ($000) $13,003 Avg Close $30.66 Range $27.87 - $33.30

Q4 2021

Shares 369,092 Value ($000) $10,763 Avg Close $30.34 Range $26.13 - $34.50

Q3 2021

Shares 362,005 Value ($000) $9,655 Avg Close $26.84 Range $23.15 - $31.73

Q2 2021

Shares 418,540 Value ($000) $12,887 Avg Close $30.66 Range $25.84 - $34.29

Q1 2021

Shares 450,929 Value ($000) $11,806 Avg Close $27.97 Range $23.18 - $31.99

Q4 2020

Shares 439,497 Value ($000) $11,058 Avg Close $21.52 Range $17.20 - $27.55

Q3 2020

Shares 446,714 Value ($000) $9,310 Avg Close $22.70 Range $19.97 - $25.82

Q2 2020

Shares 343,082 Value ($000) $8,149 Avg Close $22.09 Range $16.55 - $25.73

Q1 2020

Shares 320,144 Value ($000) $5,760 Avg Close $21.01 Range $13.12 - $25.16

Q4 2019

Shares 405,368 Value ($000) $9,616 Avg Close $24.29 Range $19.35 - $29.36

Q3 2019

Shares 399,048 Value ($000) $10,966 Avg Close $29.63 Range $25.32 - $34.11

Q2 2019

Shares 356,724 Value ($000) $11,804 Avg Close $34.26 Range $29.60 - $39.15

Q1 2019

Shares 330,037 Value ($000) $11,565 Avg Close $37.21 Range $32.24 - $43.05

Q4 2018

Shares 317,688 Value ($000) $10,554 Avg Close $43.00 Range $30.05 - $51.38

Q3 2018

Shares 311,599 Value ($000) $15,690 Avg Close $49.38 Range $41.80 - $59.75

Q2 2018

Shares 287,937 Value ($000) $17,234 Avg Close $51.80 Range $43.53 - $61.25

Q1 2018

Shares 316,446 Value ($000) $14,494 Avg Close $41.73 Range $34.90 - $48.65

Q4 2017

Shares 286,003 Value ($000) $11,398 Avg Close $39.52 Range $33.30 - $43.25

Q3 2017

Shares 237,271 Value ($000) $9,491 Avg Close $43.28 Range $36.16 - $50.05

Q2 2017

Shares 203,197 Value ($000) $8,758 Avg Close $35.59 Range $29.55 - $44.95

Q1 2017

Shares 195,279 Value ($000) $6,113 Avg Close $26.80 Range $23.10 - $32.00

Q4 2016

Shares 184,707 Value ($000) $4,664 Avg Close $22.34 Range $17.25 - $27.10

Q3 2016

Shares 191,317 Value ($000) $4,732 Avg Close $22.63 Range $20.19 - $26.84

Q2 2016

Shares 137,023 Value ($000) $2,792 Avg Close $17.74 Range $14.14 - $20.38

Q1 2016

Shares 128,636 Value ($000) $1,962 Avg Close $13.05 Range $9.51 - $15.99

Q4 2015

Shares 313,091 Value ($000) $4,208 Avg Close $15.47 Range $12.54 - $20.39

Q3 2015

Shares 354,785 Value ($000) $4,978 Avg Close $18.59 Range $13.32 - $23.30

Q2 2015

Shares 150,786 Value ($000) $2,561 Avg Close $14.23 Range $11.11 - $18.55

Q1 2015

Shares 104,208 Value ($000) $1,260 Avg Close $9.45 Range $7.97 - $12.38

Q4 2014

Shares 65,669 Value ($000) $546 Avg Close $8.40 Range $7.31 - $9.53

Q3 2014

Shares 43,000 Value ($000) $374 Avg Close $9.03 Range $7.94 - $11.47

Q2 2014

Shares 43,000 Value ($000) $471 Avg Close $8.91 Range $7.09 - $11.20

Q1 2014

Shares 31,800 Value ($000) $285 Avg Close $9.21 Range $7.36 - $10.55

Q4 2013

Shares 31,800 Value ($000) $240 Avg Close $6.99 Range $5.84 - $9.05

Q3 2013

Shares 31,800 Value ($000) $234 Avg Close $6.72 Range $6.10 - $8.40

Q2 2013

Shares 39,709 Value ($000) $255 Avg Close $5.89 Range $4.45 - $7.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	703,625	$34,970	$48.62	$43.11 - $57.65
Q3 2025	732,489	$35,006	$40.27	$31.35 - $48.44
Q2 2025	748,641	$23,597	$32.05	$29.16 - $34.26
Q1 2025	746,149	$24,436	$35.44	$30.37 - $40.28
Q4 2024	753,363	$27,242	$35.21	$30.83 - $39.37
Q3 2024	712,395	$22,212	$31.21	$25.55 - $35.41
Q2 2024	621,041	$16,613	$28.98	$25.53 - $34.49
Q1 2024	592,646	$20,215	$29.77	$26.27 - $35.44
Q4 2023	555,930	$16,089	$26.51	$21.99 - $29.90
Q3 2023	531,246	$14,646	$30.44	$27.26 - $32.98
Q2 2023	542,508	$16,308	$34.99	$29.59 - $39.09
Q1 2023	509,806	$18,470	$38.45	$34.33 - $42.09
Q4 2022	507,451	$18,101	$34.75	$30.00 - $38.40
Q3 2022	467,774	$15,834	$32.54	$28.16 - $36.08
Q2 2022	429,451	$12,420	$28.64	$24.95 - $34.45
Q1 2022	402,290	$13,003	$30.66	$27.87 - $33.30
Q4 2021	369,092	$10,763	$30.34	$26.13 - $34.50
Q3 2021	362,005	$9,655	$26.84	$23.15 - $31.73
Q2 2021	418,540	$12,887	$30.66	$25.84 - $34.29
Q1 2021	450,929	$11,806	$27.97	$23.18 - $31.99
Q4 2020	439,497	$11,058	$21.52	$17.20 - $27.55
Q3 2020	446,714	$9,310	$22.70	$19.97 - $25.82
Q2 2020	343,082	$8,149	$22.09	$16.55 - $25.73
Q1 2020	320,144	$5,760	$21.01	$13.12 - $25.16
Q4 2019	405,368	$9,616	$24.29	$19.35 - $29.36
Q3 2019	399,048	$10,966	$29.63	$25.32 - $34.11
Q2 2019	356,724	$11,804	$34.26	$29.60 - $39.15
Q1 2019	330,037	$11,565	$37.21	$32.24 - $43.05
Q4 2018	317,688	$10,554	$43.00	$30.05 - $51.38
Q3 2018	311,599	$15,690	$49.38	$41.80 - $59.75
Q2 2018	287,937	$17,234	$51.80	$43.53 - $61.25
Q1 2018	316,446	$14,494	$41.73	$34.90 - $48.65
Q4 2017	286,003	$11,398	$39.52	$33.30 - $43.25
Q3 2017	237,271	$9,491	$43.28	$36.16 - $50.05
Q2 2017	203,197	$8,758	$35.59	$29.55 - $44.95
Q1 2017	195,279	$6,113	$26.80	$23.10 - $32.00
Q4 2016	184,707	$4,664	$22.34	$17.25 - $27.10
Q3 2016	191,317	$4,732	$22.63	$20.19 - $26.84
Q2 2016	137,023	$2,792	$17.74	$14.14 - $20.38
Q1 2016	128,636	$1,962	$13.05	$9.51 - $15.99
Q4 2015	313,091	$4,208	$15.47	$12.54 - $20.39
Q3 2015	354,785	$4,978	$18.59	$13.32 - $23.30
Q2 2015	150,786	$2,561	$14.23	$11.11 - $18.55
Q1 2015	104,208	$1,260	$9.45	$7.97 - $12.38
Q4 2014	65,669	$546	$8.40	$7.31 - $9.53
Q3 2014	43,000	$374	$9.03	$7.94 - $11.47
Q2 2014	43,000	$471	$8.91	$7.09 - $11.20
Q1 2014	31,800	$285	$9.21	$7.36 - $10.55
Q4 2013	31,800	$240	$6.99	$5.84 - $9.05
Q3 2013	31,800	$234	$6.72	$6.10 - $8.40
Q2 2013	39,709	$255	$5.89	$4.45 - $7.20