SIMULATIONS PLUS INC

Ticker: SLP CUSIP: 829214105 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 348,234 Value ($000) $6,348 Avg Close $17.54 Range $14.70 - $20.77

Q3 2025

Shares 410,852 Value ($000) $6,191 Avg Close $14.54 Range $12.39 - $18.95

Q2 2025

Shares 485,404 Value ($000) $8,470 Avg Close $28.05 Range $16.72 - $36.45

Q1 2025

Shares 475,534 Value ($000) $11,660 Avg Close $30.30 Range $23.44 - $37.67

Q4 2024

Shares 419,241 Value ($000) $11,693 Avg Close $30.43 Range $27.07 - $34.76

Q3 2024

Shares 394,975 Value ($000) $12,647 Avg Close $36.94 Range $30.22 - $48.98

Q2 2024

Shares 414,005 Value ($000) $20,128 Avg Close $47.08 Range $37.64 - $51.14

Q1 2024

Shares 376,013 Value ($000) $15,473 Avg Close $40.84 Range $35.88 - $44.89

Q4 2023

Shares 363,324 Value ($000) $16,259 Avg Close $39.44 Range $32.55 - $45.95

Q3 2023

Shares 335,278 Value ($000) $13,981 Avg Close $45.05 Range $39.20 - $52.37

Q2 2023

Shares 315,807 Value ($000) $13,684 Avg Close $43.38 Range $39.70 - $48.73

Q1 2023

Shares 284,397 Value ($000) $12,496 Avg Close $39.71 Range $32.25 - $44.37

Q4 2022

Shares 297,513 Value ($000) $11 Avg Close $41.66 Range $35.22 - $51.44

Q3 2022

Shares 252,599 Value ($000) $12,261 Avg Close $57.69 Range $47.09 - $66.80

Q2 2022

Shares 196,237 Value ($000) $9,680 Avg Close $46.59 Range $39.62 - $51.99

Q1 2022

Shares 159,768 Value ($000) $8,144 Avg Close $42.33 Range $34.69 - $51.73

Q4 2021

Shares 80,316 Value ($000) $3,799 Avg Close $46.46 Range $36.28 - $57.07

Q3 2021

Shares 40,844 Value ($000) $1,613 Avg Close $44.85 Range $36.96 - $56.23

Q2 2021

Shares 41,939 Value ($000) $2,303 Avg Close $56.26 Range $48.44 - $69.22

Q1 2021

Shares 214,625 Value ($000) $13,569 Avg Close $71.97 Range $56.29 - $89.19

Q4 2020

Shares 487,543 Value ($000) $35,064 Avg Close $64.97 Range $50.22 - $76.28

Q3 2020

Shares 581,585 Value ($000) $43,828 Avg Close $62.82 Range $55.06 - $74.66

Q2 2020

Shares 586,087 Value ($000) $35,059 Avg Close $43.04 Range $31.44 - $60.04

Q1 2020

Shares 595,901 Value ($000) $20,809 Avg Close $32.60 Range $25.40 - $39.30

Q4 2019

Shares 620,802 Value ($000) $18,048 Avg Close $33.02 Range $27.75 - $35.37

Q3 2019

Shares 623,402 Value ($000) $21,632 Avg Close $34.28 Range $27.00 - $40.84

Q2 2019

Shares 610,303 Value ($000) $17,430 Avg Close $23.54 Range $19.13 - $29.14

Q1 2019

Shares 606,921 Value ($000) $12,812 Avg Close $19.39 Range $17.65 - $20.99

Q4 2018

Shares 571,865 Value ($000) $11,380 Avg Close $19.07 Range $16.60 - $20.53

Q3 2018

Shares 545,994 Value ($000) $11,029 Avg Close $18.80 Range $16.04 - $23.00

Q2 2018

Shares 506,064 Value ($000) $11,260 Avg Close $18.13 Range $13.73 - $22.95

Q1 2018

Shares 475,216 Value ($000) $7,009 Avg Close $15.28 Range $13.64 - $16.25

Q4 2017

Shares 437,405 Value ($000) $7,042 Avg Close $15.64 Range $14.49 - $16.58

Q3 2017

Shares 402,450 Value ($000) $6,238 Avg Close $13.78 Range $11.41 - $15.34

Q2 2017

Shares 400,308 Value ($000) $4,944 Avg Close $11.24 Range $9.95 - $12.31

Q1 2017

Shares 368,194 Value ($000) $4,326 Avg Close $9.51 Range $8.27 - $11.08

Q4 2016

Shares 351,832 Value ($000) $3,395 Avg Close $8.47 Range $7.56 - $10.09

Q3 2016

Shares 338,701 Value ($000) $2,987 Avg Close $7.73 Range $6.88 - $8.62

Q2 2016

Shares 339,427 Value ($000) $2,566 Avg Close $7.47 Range $6.25 - $8.92

Q1 2016

Shares 320,340 Value ($000) $2,829 Avg Close $9.01 Range $6.73 - $10.91

Q4 2015

Shares 277,667 Value ($000) $2,752 Avg Close $8.40 Range $7.31 - $9.37

Q3 2015

Shares 246,635 Value ($000) $2,328 Avg Close $6.44 Range $5.44 - $8.93

Q2 2015

Shares 242,512 Value ($000) $1,521 Avg Close $5.35 Range $5.00 - $5.73

Q1 2015

Shares 237,350 Value ($000) $1,457 Avg Close $5.70 Range $5.23 - $6.18

Q4 2014

Shares 234,033 Value ($000) $1,563 Avg Close $5.66 Range $4.95 - $6.32

Q3 2014

Shares 234,033 Value ($000) $1,627 Avg Close $5.62 Range $4.79 - $6.23

Q2 2014

Shares 234,033 Value ($000) $1,315 Avg Close $5.25 Range $4.62 - $5.97

Q1 2014

Shares 234,033 Value ($000) $1,559 Avg Close $4.96 Range $4.18 - $6.17

Q4 2013

Shares 234,033 Value ($000) $1,182 Avg Close $4.35 Range $4.00 - $4.80

Q3 2013

Shares 234,033 Value ($000) $1,126 Avg Close $4.00 Range $3.43 - $4.25

Q2 2013

Shares 238,500 Value ($000) $995 Avg Close $3.53 Range $3.22 - $3.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	348,234	$6,348	$17.54	$14.70 - $20.77
Q3 2025	410,852	$6,191	$14.54	$12.39 - $18.95
Q2 2025	485,404	$8,470	$28.05	$16.72 - $36.45
Q1 2025	475,534	$11,660	$30.30	$23.44 - $37.67
Q4 2024	419,241	$11,693	$30.43	$27.07 - $34.76
Q3 2024	394,975	$12,647	$36.94	$30.22 - $48.98
Q2 2024	414,005	$20,128	$47.08	$37.64 - $51.14
Q1 2024	376,013	$15,473	$40.84	$35.88 - $44.89
Q4 2023	363,324	$16,259	$39.44	$32.55 - $45.95
Q3 2023	335,278	$13,981	$45.05	$39.20 - $52.37
Q2 2023	315,807	$13,684	$43.38	$39.70 - $48.73
Q1 2023	284,397	$12,496	$39.71	$32.25 - $44.37
Q4 2022	297,513	$11	$41.66	$35.22 - $51.44
Q3 2022	252,599	$12,261	$57.69	$47.09 - $66.80
Q2 2022	196,237	$9,680	$46.59	$39.62 - $51.99
Q1 2022	159,768	$8,144	$42.33	$34.69 - $51.73
Q4 2021	80,316	$3,799	$46.46	$36.28 - $57.07
Q3 2021	40,844	$1,613	$44.85	$36.96 - $56.23
Q2 2021	41,939	$2,303	$56.26	$48.44 - $69.22
Q1 2021	214,625	$13,569	$71.97	$56.29 - $89.19
Q4 2020	487,543	$35,064	$64.97	$50.22 - $76.28
Q3 2020	581,585	$43,828	$62.82	$55.06 - $74.66
Q2 2020	586,087	$35,059	$43.04	$31.44 - $60.04
Q1 2020	595,901	$20,809	$32.60	$25.40 - $39.30
Q4 2019	620,802	$18,048	$33.02	$27.75 - $35.37
Q3 2019	623,402	$21,632	$34.28	$27.00 - $40.84
Q2 2019	610,303	$17,430	$23.54	$19.13 - $29.14
Q1 2019	606,921	$12,812	$19.39	$17.65 - $20.99
Q4 2018	571,865	$11,380	$19.07	$16.60 - $20.53
Q3 2018	545,994	$11,029	$18.80	$16.04 - $23.00
Q2 2018	506,064	$11,260	$18.13	$13.73 - $22.95
Q1 2018	475,216	$7,009	$15.28	$13.64 - $16.25
Q4 2017	437,405	$7,042	$15.64	$14.49 - $16.58
Q3 2017	402,450	$6,238	$13.78	$11.41 - $15.34
Q2 2017	400,308	$4,944	$11.24	$9.95 - $12.31
Q1 2017	368,194	$4,326	$9.51	$8.27 - $11.08
Q4 2016	351,832	$3,395	$8.47	$7.56 - $10.09
Q3 2016	338,701	$2,987	$7.73	$6.88 - $8.62
Q2 2016	339,427	$2,566	$7.47	$6.25 - $8.92
Q1 2016	320,340	$2,829	$9.01	$6.73 - $10.91
Q4 2015	277,667	$2,752	$8.40	$7.31 - $9.37
Q3 2015	246,635	$2,328	$6.44	$5.44 - $8.93
Q2 2015	242,512	$1,521	$5.35	$5.00 - $5.73
Q1 2015	237,350	$1,457	$5.70	$5.23 - $6.18
Q4 2014	234,033	$1,563	$5.66	$4.95 - $6.32
Q3 2014	234,033	$1,627	$5.62	$4.79 - $6.23
Q2 2014	234,033	$1,315	$5.25	$4.62 - $5.97
Q1 2014	234,033	$1,559	$4.96	$4.18 - $6.17
Q4 2013	234,033	$1,182	$4.35	$4.00 - $4.80
Q3 2013	234,033	$1,126	$4.00	$3.43 - $4.25
Q2 2013	238,500	$995	$3.53	$3.22 - $3.99