REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 198,204 Value ($000) $32,478 Avg Close $156.63 Range $134.19 - $174.01

Q3 2025

Shares 117,426 Value ($000) $15,696 Avg Close $121.47 Range $110.77 - $135.57

Q2 2025

Shares 118,609 Value ($000) $14,753 Avg Close $127.25 Range $102.97 - $148.94

Q1 2025

Shares 186,715 Value ($000) $23,758 Avg Close $153.93 Range $125.39 - $182.52

Q4 2024

Shares 119,907 Value ($000) $17,259 Avg Close $143.40 Range $121.52 - $161.24

Q3 2024

Shares 120,991 Value ($000) $18,006 Avg Close $143.39 Range $117.63 - $172.65

Q2 2024

Shares 173,426 Value ($000) $21,862 Avg Close $156.74 Range $113.50 - $184.98

Q1 2024

Shares 345,445 Value ($000) $63,534 Avg Close $190.44 Range $167.40 - $211.13

Q4 2023

Shares 262,708 Value ($000) $47,235 Avg Close $155.67 Range $110.45 - $188.31

Q3 2023

Shares 192,675 Value ($000) $30,637 Avg Close $163.47 Range $134.64 - $181.26

Q2 2023

Shares 195,824 Value ($000) $27,701 Avg Close $160.35 Range $135.37 - $182.42

Q1 2023

Shares 204,965 Value ($000) $34,508 Avg Close $178.42 Range $147.53 - $200.98

Q4 2022

Shares 204,099 Value ($000) $34,556 Avg Close $181.39 Range $158.58 - $225.62

Q3 2022

Shares 203,278 Value ($000) $38,035 Avg Close $210.87 Range $157.33 - $262.26

Q2 2022

Shares 204,669 Value ($000) $33,239 Avg Close $158.16 Range $137.21 - $190.59

Q1 2022

Shares 175,254 Value ($000) $32,963 Avg Close $189.96 Range $156.28 - $265.78

Q4 2021

Shares 191,114 Value ($000) $50,614 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 178,335 Value ($000) $51,537 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 179,356 Value ($000) $35,803 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 224,174 Value ($000) $43,582 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 152,452 Value ($000) $29,214 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 148,089 Value ($000) $21,849 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 148,708 Value ($000) $18,382 Avg Close $117.64 Range $92.00 - $143.93

Q1 2020

Shares 146,400 Value ($000) $14,134 Avg Close $96.54 Range $78.41 - $109.94

Q4 2019

Shares 206,891 Value ($000) $19,138 Avg Close $84.01 Range $72.32 - $93.50

Q3 2019

Shares 218,993 Value ($000) $16,794 Avg Close $87.47 Range $75.80 - $99.25

Q2 2019

Shares 356,325 Value ($000) $30,626 Avg Close $68.16 Range $52.87 - $86.16

Q1 2019

Shares 344,523 Value ($000) $20,355 Avg Close $57.51 Range $49.07 - $63.41

Q4 2018

Shares 346,823 Value ($000) $18,291 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 322,281 Value ($000) $17,874 Avg Close $51.54 Range $45.00 - $58.99

Q2 2018

Shares 298,578 Value ($000) $14,045 Avg Close $41.16 Range $34.61 - $47.87

Q1 2018

Shares 302,002 Value ($000) $10,926 Avg Close $35.17 Range $29.56 - $37.82

Q4 2017

Shares 299,667 Value ($000) $10,872 Avg Close $36.20 Range $31.96 - $40.05

Q3 2017

Shares 297,083 Value ($000) $11,384 Avg Close $41.91 Range $35.73 - $46.12

Q2 2017

Shares 296,902 Value ($000) $12,304 Avg Close $38.00 Range $32.73 - $46.81

Q1 2017

Shares 263,713 Value ($000) $9,283 Avg Close $31.67 Range $28.48 - $35.61

Q4 2016

Shares 248,222 Value ($000) $7,650 Avg Close $30.93 Range $26.16 - $34.06

Q3 2016

Shares 244,552 Value ($000) $7,383 Avg Close $30.18 Range $25.93 - $33.79

Q2 2016

Shares 236,825 Value ($000) $6,480 Avg Close $25.57 Range $21.11 - $28.97

Q1 2016

Shares 226,221 Value ($000) $6,067 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 216,985 Value ($000) $6,139 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 207,227 Value ($000) $5,771 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 193,776 Value ($000) $7,997 Avg Close $36.64 Range $28.88 - $42.48

Q1 2015

Shares 190,587 Value ($000) $5,786 Avg Close $25.94 Range $19.53 - $34.15

Q4 2014

Shares 186,315 Value ($000) $3,689 Avg Close $22.36 Range $19.02 - $26.75

Q3 2014

Shares 195,320 Value ($000) $3,889 Avg Close $21.05 Range $18.23 - $24.68

Q2 2014

Shares 184,584 Value ($000) $4,207 Avg Close $17.80 Range $12.60 - $23.14

Q1 2014

Shares 14,992 Value ($000) $193 Avg Close $14.34 Range $11.70 - $17.26

Q4 2013

Shares 15,134 Value ($000) $206 Avg Close $11.94 Range $9.89 - $14.05

Q3 2013

Shares 15,134 Value ($000) $168 Avg Close $9.95 Range $8.25 - $11.44

Q2 2013

Shares 14,670 Value ($000) $121 Avg Close $8.40 Range $6.65 - $9.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	198,204	$32,478	$156.63	$134.19 - $174.01
Q3 2025	117,426	$15,696	$121.47	$110.77 - $135.57
Q2 2025	118,609	$14,753	$127.25	$102.97 - $148.94
Q1 2025	186,715	$23,758	$153.93	$125.39 - $182.52
Q4 2024	119,907	$17,259	$143.40	$121.52 - $161.24
Q3 2024	120,991	$18,006	$143.39	$117.63 - $172.65
Q2 2024	173,426	$21,862	$156.74	$113.50 - $184.98
Q1 2024	345,445	$63,534	$190.44	$167.40 - $211.13
Q4 2023	262,708	$47,235	$155.67	$110.45 - $188.31
Q3 2023	192,675	$30,637	$163.47	$134.64 - $181.26
Q2 2023	195,824	$27,701	$160.35	$135.37 - $182.42
Q1 2023	204,965	$34,508	$178.42	$147.53 - $200.98
Q4 2022	204,099	$34,556	$181.39	$158.58 - $225.62
Q3 2022	203,278	$38,035	$210.87	$157.33 - $262.26
Q2 2022	204,669	$33,239	$158.16	$137.21 - $190.59
Q1 2022	175,254	$32,963	$189.96	$156.28 - $265.78
Q4 2021	191,114	$50,614	$269.41	$243.29 - $306.98
Q3 2021	178,335	$51,537	$256.54	$193.03 - $327.32
Q2 2021	179,356	$35,803	$193.99	$162.29 - $223.03
Q1 2021	224,174	$43,582	$205.03	$173.09 - $228.84
Q4 2020	152,452	$29,214	$181.94	$146.52 - $212.55
Q3 2020	148,089	$21,849	$142.94	$120.12 - $159.97
Q2 2020	148,708	$18,382	$117.64	$92.00 - $143.93
Q1 2020	146,400	$14,134	$96.54	$78.41 - $109.94
Q4 2019	206,891	$19,138	$84.01	$72.32 - $93.50
Q3 2019	218,993	$16,794	$87.47	$75.80 - $99.25
Q2 2019	356,325	$30,626	$68.16	$52.87 - $86.16
Q1 2019	344,523	$20,355	$57.51	$49.07 - $63.41
Q4 2018	346,823	$18,291	$58.65	$48.26 - $70.50
Q3 2018	322,281	$17,874	$51.54	$45.00 - $58.99
Q2 2018	298,578	$14,045	$41.16	$34.61 - $47.87
Q1 2018	302,002	$10,926	$35.17	$29.56 - $37.82
Q4 2017	299,667	$10,872	$36.20	$31.96 - $40.05
Q3 2017	297,083	$11,384	$41.91	$35.73 - $46.12
Q2 2017	296,902	$12,304	$38.00	$32.73 - $46.81
Q1 2017	263,713	$9,283	$31.67	$28.48 - $35.61
Q4 2016	248,222	$7,650	$30.93	$26.16 - $34.06
Q3 2016	244,552	$7,383	$30.18	$25.93 - $33.79
Q2 2016	236,825	$6,480	$25.57	$21.11 - $28.97
Q1 2016	226,221	$6,067	$24.47	$20.07 - $28.85
Q4 2015	216,985	$6,139	$28.84	$21.69 - $36.00
Q3 2015	207,227	$5,771	$36.14	$27.25 - $42.22
Q2 2015	193,776	$7,997	$36.64	$28.88 - $42.48
Q1 2015	190,587	$5,786	$25.94	$19.53 - $34.15
Q4 2014	186,315	$3,689	$22.36	$19.02 - $26.75
Q3 2014	195,320	$3,889	$21.05	$18.23 - $24.68
Q2 2014	184,584	$4,207	$17.80	$12.60 - $23.14
Q1 2014	14,992	$193	$14.34	$11.70 - $17.26
Q4 2013	15,134	$206	$11.94	$9.89 - $14.05
Q3 2013	15,134	$168	$9.95	$8.25 - $11.44
Q2 2013	14,670	$121	$8.40	$6.65 - $9.65