Comparable stake leader
BlackRock, Inc.
SEC ownership of CarGurus, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001494259.
Disclosed value leader
Langley Steinert
Comparable rows
50/50
Latest evidence
02 Oct 2026
- Public ticker
- CARG on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
02 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001494259
- Issuer location
- Boston, MA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CarGurus, Inc. (13F + 13D/G + 3/4/5)
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.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
Langley Steinert
Comparable rows
50/50
Latest evidence
02 Oct 2026
13D/G
13F
3/4/5
Lead comparable stake: 14%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 14%.
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.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
14%
Langley Steinert
13%
ArrowMark Colorado Holdings LLC
4.4%
WELLINGTON MANAGEMENT GROUP LLP
4.3%
Jason Trevisan
1.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
14%
|
$405,608,839
12,118,579 shares
|
$0 | 30 Jun 2025 |
| Langley Steinert |
13D/G
3/4/5
Executive Chair, Director, 10%+ Owner
|
13%
|
$444,430,546
12,815,183 shares
|
-$15,679,868 | 30 Jun 2025 |
| ArrowMark Colorado Holdings LLC |
13D/G
13F
Company
|
4.4%
|
$139,368,606
3,743,449 shares
|
-$51,221,332 | 30 Jun 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
Company
|
4.3%
from 13D/G
|
$110,972,599
3,255,283 shares
|
— | 30 Jun 2026 |
| Jason Trevisan |
3/4/5
Chief Executive Officer, Director
|
1.2%
|
$30,791,894
903,253 shares
|
-$2,285,835 | 01 Oct 2026 |
| Samuel Zales |
3/4/5
COO and President
|
0.58%
|
$14,990,566
439,735 shares
|
-$1,794,100 | 01 Oct 2026 |
| Stephen Kaufer |
3/4/5
Director
|
0.44%
|
$11,280,019
331,278 shares
|
+$1,000,034 | 03 Jun 2026 |
| Matthew Todd Quinn |
3/4/5
Chief Technology Officer
|
0.3%
|
$7,045,400
226,104 shares
|
-$579,540 | 02 Oct 2026 |
How to read this table
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
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$7,136,475.
Buys
$1,000,034
Insiders: 1
Sells
$8,136,509
Insiders: 8
Net
-$7,136,475
Shares: -197,136
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 30,766
Shares: 227,902
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 77,144 | $0 | $2,728,813 | -$2,728,813 |
| 3-6 | 0 | 25,559 | $0 | $841,602 | -$841,602 |
| 6-9 | 30,766 | 14,497 | $1,000,034 | $484,038 | +$515,996 |
| 9-12 | 0 | 110,702 | $0 | $4,082,057 | -$4,082,057 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 25 reporting-owner rows connected to CarGurus, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
25
Largest Forms 3/4/5 holder
Anastasios Parafestas
Net 12M change
-$7,136,475
Latest report
02 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Anastasios Parafestas | Director | $76,316,100 | Mixed | 11 Jun 2021 | ||
| Langley Steinert | Executive Chair, Director, 10%+ Owner | $32,708,775 | Mixed | 01 Oct 2026 | ||
| Jason Trevisan | Chief Executive Officer, Director | $30,791,894 | -$2,285,835 | -6.9% | Mixed | 01 Oct 2026 |
| Samuel Zales | COO and President | $14,990,566 | -$1,794,100 | -11% | Mixed | 01 Oct 2026 |
| Stephen Kaufer | Director | $11,280,019 | +$1,000,034 | +9.7% | Mixed | 03 Jun 2026 |
| Matthew Todd Quinn | Chief Technology Officer | $7,045,400 | -$579,540 | -7.6% | Median | 02 Oct 2026 |
| Sarah Amory Welch | Chief Marketing Officer | $5,694,488 | Mixed | 01 Oct 2021 | ||
| Kyle Lomeli | Chief Technology Officer | $4,300,625 | Mixed | 01 Jul 2021 | ||
| Thomas Michael Caputo | Chief Product Officer | $4,175,500 | Mixed | 31 Mar 2023 | ||
| Zachary Emerson Hallowell | CEO, CarOffer | $3,892,692 | Mixed | 16 Oct 2025 | ||
| Ismail Elshareef | Chief Product Officer | $3,789,375 | -$515,481 | -12% | Filing P/S | 01 Oct 2026 |
| Ian G. Smith | Director | $3,416,152 | Mixed | 07 Jun 2022 | ||
| Dafna Sarnoff | Chief Marketing Officer | $3,140,772 | -$1,270,685 | -29% | Median | 02 Oct 2026 |
| Jennifer Ladd Hanson | Chief People Officer | $3,018,908 | -$323,367 | -9.7% | Mixed | 30 Sep 2026 |
| Scot Christopher Fredo | CFO and Treasurer | $2,824,908 | Mixed | 30 Sep 2022 | ||
| Andrea Lee Eldridge | Chief People Officer | $2,615,445 | Mixed | 01 Apr 2024 | ||
| Javier Zamora | General Counsel and Secretary | $2,589,851 | -$831,501 | -24% | Mixed | 01 Oct 2026 |
| Elisa Palazzo | CFO and Treasurer | $2,517,712 | Filing P/S | 06 Mar 2025 | ||
| Steven Conine | Director | $2,056,245 | Mixed | 03 Jun 2026 | ||
| Lori A. Hickok | Director | $1,847,348 | Mixed | 03 Jun 2026 |
Recent insider transactions for CarGurus, Inc.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Dafna Sarnoff | CARG | Class A Common Stock | Award | 6.23% | 5,911 | 100,795 | 02 Oct 2026 | Direct | ||
| Matthew Todd Quinn | CARG | Class A Common Stock | Award | 2.68% | 5,911 | 226,104 | 02 Oct 2026 | Direct | ||
| Dafna Sarnoff | CARG | Class A Common Stock | Sale | -7.08% | $214,271 | $29.62 | -7,234 | 94,884 | 02 Oct 2026 | Direct |
| Matthew Todd Quinn | CARG | Class A Common Stock | Sale | -1.71% | $113,267 | $29.62 | -3,824 | 220,193 | 02 Oct 2026 | Direct |
| Ismail Elshareef | CARG | Class A Common Stock | Sale | -2.05% | $79,174 | $29.62 | -2,673 | 127,933 | 02 Oct 2026 | Direct |
| Dafna Sarnoff | CARG | Class A Common Stock | Tax liability | -6.88% | -7,550 | 102,118 | 01 Oct 2026 | Direct | ||
| Matthew Todd Quinn | CARG | Class A Common Stock | Tax liability | -3.92% | -9,129 | 224,017 | 01 Oct 2026 | Direct | ||
| Ismail Elshareef | CARG | Class A Common Stock | Tax liability | -2.34% | -3,131 | 130,606 | 01 Oct 2026 | Direct | ||
| Javier Zamora | CARG | Class A Common Stock | Tax liability | -5.34% | -4,289 | 75,971 | 01 Oct 2026 | Direct | ||
| Samuel Zales | CARG | Class A Common Stock | Tax liability | -3.43% | -15,614 | 439,735 | 01 Oct 2026 | Direct | ||
| Jason Trevisan | CARG | Class A Common Stock | Tax liability | -3.19% | -21,509 | 653,253 | 01 Oct 2026 | Direct | ||
| Langley Steinert | CARG | Class A Common Stock | Tax liability | -1.41% | -12,653 | 884,483 | 01 Oct 2026 | Direct | ||
| Jennifer Ladd Hanson | CARG | Class A Common Stock | Tax liability | -1.59% | -1,434 | 88,557 | 01 Oct 2026 | Direct | ||
| Jennifer Ladd Hanson | CARG | Class A Common Stock | Tax liability | -1.26% | -1,144 | 89,991 | 30 Sep 2026 | Direct | ||
| Samuel Zales | CARG | Class A Common Stock | Sale | -2.15% | $346,200 | $34.62 | -10,000 | 455,349 | 15 Sep 2026 | Direct |
| Samuel Zales | CARG | Class A Common Stock | Sale | -2.1% | $365,000 | $36.50 | -10,000 | 465,349 | 28 Aug 2026 | Direct |
| Ismail Elshareef | CARG | Class A Common Stock | Sale | -6.28% | $340,366 | $38.00 | -8,957 | 133,737 | 14 Aug 2026 | Direct |
| Dafna Sarnoff | CARG | Class A Common Stock | Sale | -13.5% | $634,587 | $37.00 | -17,151 | 109,668 | 13 Aug 2026 | Direct |
| Greg M. Schwartz | CARG | Class A Common Stock | Sale | -53.4% | $360,700 | $36.07 | -10,000 | 8,716 | 12 Aug 2026 | Direct |
| Jason Trevisan | CARG | Class A Common Stock | Sale | -0.16% | $45,166 | $41.06 | -1,100 | 674,762 | 07 Aug 2026 | Direct |
| Javier Zamora | CARG | Class A Common Stock | Sale | -7.18% | $230,081 | $37.08 | -6,205 | 80,260 | 03 Aug 2026 | Direct |
| Javier Zamora | CARG | Class A Common Stock | Tax liability | -2.13% | -1,880 | 86,465 | 31 Jul 2026 | Direct | ||
| Ismail Elshareef | CARG | Class A Common Stock | Tax liability | -1.59% | -2,300 | 142,694 | 31 Jul 2026 | Direct | ||
| Javier Zamora | CARG | Class A Common Stock | Sale | -3.85% | $127,400 | $36.06 | -3,533 | 88,345 | 02 Jul 2026 | Direct |
| Matthew Todd Quinn | CARG | Class A Common Stock | Sale | -1.61% | $133,955 | $35.03 | -3,824 | 233,146 | 02 Jul 2026 | Direct |
| Jennifer Ladd Hanson | CARG | Class A Common Stock | Sale | -0.62% | $19,862 | $35.03 | -567 | 91,135 | 02 Jul 2026 | Direct |
| Samuel Zales | CARG | Class A Common Stock | Award | 4.98% | 22,548 | 475,349 | 01 Jul 2026 | Direct | ||
| Samuel Zales | CARG | Class A Common Stock | Tax liability | -2.48% | -11,526 | 452,801 | 01 Jul 2026 | Direct | ||
| Javier Zamora | CARG | Class A Common Stock | Tax liability | -4.29% | -4,119 | 91,878 | 01 Jul 2026 | Direct | ||
| Jason Trevisan | CARG | Class A Common Stock | Tax liability | -3.08% | -21,509 | 675,862 | 01 Jul 2026 | Direct | ||
| Langley Steinert | CARG | Class A Common Stock | Tax liability | -1.39% | -12,654 | 897,136 | 01 Jul 2026 | Direct | ||
| Ismail Elshareef | CARG | Class A Common Stock | Tax liability | -1.43% | -2,106 | 144,994 | 01 Jul 2026 | Direct | ||
| Jennifer Ladd Hanson | CARG | Class A Common Stock | Tax liability | -1.28% | -1,192 | 91,702 | 01 Jul 2026 | Direct | ||
| Jennifer Ladd Hanson | CARG | Class A Common Stock | Sale | -2.62% | $86,365 | $34.56 | -2,499 | 92,894 | 01 Jul 2026 | Direct |
| Dafna Sarnoff | CARG | Class A Common Stock | Tax liability | -5.62% | -7,550 | 126,819 | 01 Jul 2026 | Direct | ||
| Matthew Todd Quinn | CARG | Class A Common Stock | Tax liability | -3.71% | -9,128 | 236,970 | 01 Jul 2026 | Direct | ||
| Jennifer Ladd Hanson | CARG | Class A Common Stock | Tax liability | -1.08% | -1,039 | 95,393 | 30 Jun 2026 | Direct | ||
| Javier Zamora | CARG | Class A Common Stock | Sale | -3.55% | $120,371 | $34.08 | -3,532 | 95,997 | 29 Jun 2026 | Direct |
| Javier Zamora | CARG | Class A Common Stock | Sale | -3.43% | $115,253 | $32.63 | -3,532 | 99,529 | 26 Jun 2026 | Direct |
| Langley Steinert | CARG | Class A Common Stock | Conversion of derivative security | 3749900% | 74,998 | 75,000 | 09 Jun 2026 | See Footnote | ||
| Langley Steinert | CARG | Class A Common Stock | Conversion of derivative security | 71% | 377,639 | 909,790 | 09 Jun 2026 | Direct | ||
| Langley Steinert | CARG | Class B Common Stock | Conversion of derivative security | -4.43% | -74,998 | 1,618,021 | 09 Jun 2026 | See Footnote | ||
| Langley Steinert | CARG | Class B Common Stock | Conversion of derivative security | -3.02% | -377,639 | 12,144,424 | 09 Jun 2026 | Direct | ||
| Greg M. Schwartz | CARG | Class A Common Stock | Award | 64.5% | 7,339 | 18,716 | 03 Jun 2026 | Direct | ||
| Stephen Kaufer | CARG | Class A Common Stock | Award | 2.27% | 7,339 | 331,278 | 03 Jun 2026 | Direct | ||
| Lori A. Hickok | CARG | Class A Common Stock | Award | 15.6% | 7,339 | 54,254 | 03 Jun 2026 | Direct | ||
| Manik Gupta | CARG | Class A Common Stock | Award | 43.7% | 7,339 | 24,137 | 03 Jun 2026 | Direct | ||
| Steven Conine | CARG | Class A Common Stock | Award | 13.8% | 7,339 | 60,389 | 03 Jun 2026 | Direct | ||
| Javier Zamora | CARG | Class A Common Stock | Sale | -7.26% | $238,396 | $29.53 | -8,072 | 103,061 | 01 Jun 2026 | Direct |
| Javier Zamora | CARG | Class A Common Stock | Tax liability | -1.02% | -1,142 | 111,133 | 01 May 2026 | Direct |
* marks a reported price that did not pass the local price check.