Comparable stake leader
Janus Henderson Group Ltd.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001262976.
Comparable stake leader
Janus Henderson Group Ltd.
Disclosed value leader
Prescott General Partners LLC
Comparable rows
50/50
Latest evidence
30 Jun 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Janus Henderson Group Ltd. |
13D/G
JANUS HENDERSON GROUP PLC
|
15%
|
$284,891,086
3,620,423 shares
|
+$21,424,139 | 31 Dec 2025 |
| Rubric Capital Management LP |
13F
13D/G
Company
|
6.2%
from 13D/G
|
$177,975,000
1,750,000 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$137,276,696
1,349,820 shares
|
— | 30 Jun 2026 |
| SPRUCE HOUSE INVESTMENT MANAGEMENT LLC |
13F
13D/G
Company · ZACHARY STERNBERG
|
4.3%
from 13D/G
|
$124,341,776
1,222,633 shares
|
— | 30 Jun 2026 |
| ArrowMark Colorado Holdings LLC |
13D/G
13F
Company
|
3.6%
|
$69,480,909
882,970 shares
|
-$29,514,258 | 31 Dec 2025 |
| Jupiter Topco LLC |
13F
Company
|
16%
|
$383,887,958
3,774,708 shares
|
— | 30 Jun 2026 |
| Prescott General Partners LLC |
3/4/5
13F
Member of Section 13(d) Group, 10%+ Owner · Company
|
15%
from 13F
|
$427,724,866
5,407,394 shares
|
— | 07 Nov 2024 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
3.6%
|
$87,429,659
859,682 shares
|
— | 30 Jun 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$6,649,501.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 34,489 | $0 | $3,550,520 | -$3,550,520 |
| 3-6 | 0 | 19,251 | $0 | $1,789,550 | -$1,789,550 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 4,000 | 22,830 | $251,175 | $1,560,606 | -$1,309,431 |
Reporting owners
Showing 1-11 of 11 reporting-owner rows connected to CIMPRESS plc. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Prescott General Partners LLC | Member of Section 13(d) Group, 10%+ Owner | $427,724,866 | Mixed | 07 Nov 2024 | ||
| Scott J. Vassalluzzo | Director, Member of Section 13(d) Group, 10%+ Owner | $244,296,367 | Mixed | 17 Dec 2025 | ||
| Robert S. Keane | CEO, Chairman, Director | $207,513,050 | -$624,611 | -0.3% | Median | 15 Aug 2026 |
| Zachary Sternberg | Director | $167,139,013 | Mixed | 15 Nov 2024 | ||
| Thomas W. Smith | Member of Section 13(d) Group, 10%+ Owner | $128,126,729 | Mixed | 31 Dec 2022 | ||
| Florian Baumgartner | EVP and CEO, Vista | $8,373,164 | Median | 15 Aug 2026 | ||
| Sean E. Quinn | EVP, Chief Financial Officer | $4,167,564 | -$2,674,735 | -39% | Median | 15 Aug 2026 |
| Maarten Wensveen | EVP & Chief Technology Officer | $3,338,505 | -$3,350,156 | -50% | Median | 15 Aug 2026 |
| Dessislava Temperley | Director | $285,338 | Mixed | 17 Dec 2025 | ||
| Sophie Gasperment | Director | $268,024 | Mixed | 17 Dec 2025 | ||
| Wayne Hsing-Yuan Ting | Director | $22,046 | Mixed | 15 May 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Robert S. Keane | CMPR | Ordinary Shares | Tax liability | -14.6% | -17,624 | 103,167 | 15 Aug 2026 | Direct | ||
| Robert S. Keane | CMPR | Ordinary Shares | Options Exercise | 58.6% | 44,614 | 120,791 | 15 Aug 2026 | Direct | ||
| Robert S. Keane | CMPR | Performance Share Unit | Options Exercise | -20.1% | -146 | 581 | 15 Aug 2026 | Direct | ||
| Robert S. Keane | CMPR | Performance Share Units | Options Exercise | -98.5% | -44,468 | 695 | 15 Aug 2026 | Direct | ||
| Sean E. Quinn | CMPR | Ordinary Shares | Tax liability | -21.6% | -11,277 | 40,979 | 15 Aug 2026 | Direct | ||
| Sean E. Quinn | CMPR | Ordinary Shares | Options Exercise | 80.6% | 23,319 | 52,256 | 15 Aug 2026 | Direct | ||
| Sean E. Quinn | CMPR | Performance Share Units | Options Exercise | -61.4% | -21,020 | 13,203 | 15 Aug 2026 | Direct | ||
| Sean E. Quinn | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -100% | -2,299 | 0 | 15 Aug 2026 | Direct | ||
| Maarten Wensveen | CMPR | Ordinary Shares | Tax liability | -21.5% | -8,968 | 32,827 | 15 Aug 2026 | Direct | ||
| Maarten Wensveen | CMPR | Ordinary Shares | Options Exercise | 79.8% | 18,543 | 41,795 | 15 Aug 2026 | Direct | ||
| Maarten Wensveen | CMPR | Performance Share Units | Options Exercise | -61.5% | -16,683 | 10,424 | 15 Aug 2026 | Direct | ||
| Maarten Wensveen | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -100% | -1,860 | 0 | 15 Aug 2026 | Direct | ||
| Florian Baumgartner | CMPR | Ordinary Shares | Tax liability | -9.57% | -8,716 | 82,332 | 15 Aug 2026 | Direct | ||
| Florian Baumgartner | CMPR | Ordinary Shares | Options Exercise | 25.2% | 18,354 | 91,048 | 15 Aug 2026 | Direct | ||
| Florian Baumgartner | CMPR | Performance Share Units | Options Exercise | -61.5% | -16,663 | 10,424 | 15 Aug 2026 | Direct | ||
| Florian Baumgartner | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -100% | -1,691 | 0 | 15 Aug 2026 | Direct | ||
| Robert S. Keane | CMPR | Ordinary Shares | Sale | -7.86% | $624,611 | $96.09 | -6,500 | 76,177 | 11 Aug 2026 | Direct |
| Florian Baumgartner | CMPR | Performance Share Units | Award | 47,239 | 47,239 | 07 Aug 2026 | Direct | |||
| Maarten Wensveen | CMPR | Performance Share Units | Award | 46,731 | 46,731 | 07 Aug 2026 | Direct | |||
| Sean E. Quinn | CMPR | Performance Share Units | Award | 59,194 | 59,194 | 07 Aug 2026 | Direct | |||
| Robert S. Keane | CMPR | Performance Share Units | Award | 124,618 | 121,503 | 07 Aug 2026 | Direct | |||
| Florian Baumgartner | CMPR | Ordinary Shares | Tax liability | -0.67% | -488 | 72,694 | 15 Jul 2026 | Direct | ||
| Florian Baumgartner | CMPR | Ordinary Shares | Options Exercise | 1.42% | 1,026 | 73,182 | 15 Jul 2026 | Direct | ||
| Florian Baumgartner | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -33.3% | -1,026 | 2,051 | 15 Jul 2026 | Direct | ||
| Sean E. Quinn | CMPR | Ordinary Shares | Sale | -14.8% | $522,038 | $104.22 | -5,009 | 28,937 | 28 May 2026 | Direct |
| Sean E. Quinn | CMPR | Ordinary Shares | Options Exercise | 17.3% | 5,009 | 33,946 | 28 May 2026 | Direct | ||
| Sean E. Quinn | CMPR | Option (right to buy) | Options Exercise | -6.75% | -5,009 | 69,189 | 28 May 2026 | Direct | ||
| Sean E. Quinn | CMPR | Ordinary Shares | Sale | -44.3% | $2,403,871 | $104.61 | -22,980 | 28,937 | 27 May 2026 | Direct |
| Florian Baumgartner | CMPR | Ordinary Shares | Tax liability | -4.13% | -3,108 | 72,156 | 15 May 2026 | Direct | ||
| Florian Baumgartner | CMPR | Ordinary Shares | Options Exercise | 9.52% | 6,544 | 75,264 | 15 May 2026 | Direct | ||
| Florian Baumgartner | CMPR | Performance Share Units | Options Exercise | -29.3% | -4,853 | 11,727 | 15 May 2026 | Direct | ||
| Florian Baumgartner | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -50% | -1,691 | 1,691 | 15 May 2026 | Direct | ||
| Sean E. Quinn | CMPR | Ordinary Shares | Tax liability | -6.25% | -3,463 | 51,917 | 15 May 2026 | Direct | ||
| Sean E. Quinn | CMPR | Ordinary Shares | Options Exercise | 18.2% | 8,521 | 55,380 | 15 May 2026 | Direct | ||
| Sean E. Quinn | CMPR | Performance Share Units | Options Exercise | -29.5% | -6,221 | 14,854 | 15 May 2026 | Direct | ||
| Sean E. Quinn | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -50% | -2,300 | 2,299 | 15 May 2026 | Direct | ||
| Maarten Wensveen | CMPR | Ordinary Shares | Tax liability | -12.4% | -3,282 | 23,252 | 15 May 2026 | Direct | ||
| Maarten Wensveen | CMPR | Ordinary Shares | Options Exercise | 34.9% | 6,860 | 26,534 | 15 May 2026 | Direct | ||
| Maarten Wensveen | CMPR | Performance Share Units | Options Exercise | -29.9% | -5,000 | 11,727 | 15 May 2026 | Direct | ||
| Maarten Wensveen | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -50% | -1,860 | 1,860 | 15 May 2026 | Direct | ||
| Wayne Hsing-Yuan Ting | CMPR | Ordinary Shares | Tax liability | -48.1% | -280 | 302 | 15 May 2026 | Direct | ||
| Wayne Hsing-Yuan Ting | CMPR | Ordinary Shares | Options Exercise | 582 | 582 | 15 May 2026 | Direct | |||
| Wayne Hsing-Yuan Ting | CMPR | Restricted Share Units (right to acquire) | Options Exercise | -25% | -582 | 1,743 | 15 May 2026 | Direct | ||
| Robert S. Keane | CMPR | Ordinary Shares | Tax liability | -5.19% | -4,522 | 82,677 | 15 May 2026 | Direct | ||
| Robert S. Keane | CMPR | Ordinary Shares | Options Exercise | 17.7% | 13,112 | 87,199 | 15 May 2026 | Direct | ||
| Robert S. Keane | CMPR | Performance Share Unit | Options Exercise | -16.6% | -145 | 727 | 15 May 2026 | Direct | ||
| Robert S. Keane | CMPR | Performance Share Units | Options Exercise | -29.8% | -12,967 | 30,489 | 15 May 2026 | Direct | ||
| Maarten Wensveen | CMPR | Ordinary Shares | Sale | -49.5% | $1,789,550 | $92.96 | -19,251 | 19,674 | 05 May 2026 | Direct |
| Maarten Wensveen | CMPR | Ordinary Shares | Options Exercise | 34.6% | 10,000 | 38,925 | 05 May 2026 | Direct | ||
| Maarten Wensveen | CMPR | Option (right to buy) | Options Exercise | -16.7% | -10,000 | 50,013 | 05 May 2026 | Direct |