Comparable stake leader
BERKSHIRE HATHAWAY INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001014473.
Comparable stake leader
BERKSHIRE HATHAWAY INC
Disclosed value leader
BERKSHIRE HATHAWAY INC
Comparable rows
50/50
Latest evidence
04 Aug 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 |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC |
3/4/5
13D/G
13F
10%+ Owner · Warren E. Buffett · Company
|
9.7%
from 13D/G
|
$2,536,494,642
8,989,880 shares
|
— | 30 Jul 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.7%
from 13D/G
|
$2,315,791,934
9,324,336 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
6.7%
|
$1,535,304,646
6,181,771 shares
|
$0 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.7%
|
$1,306,244,950
5,259,482 shares
|
$0 | 31 Mar 2026 |
| D. James Bidzos |
3/4/5
Exec. Chairman, Pres, & CEO, Director
|
0.45%
|
$122,674,600
409,639 shares
|
-$34,842,938 | 04 Aug 2026 |
| George E. Kilguss III |
3/4/5
EVP and CFO
|
0.13%
|
$34,697,203
123,197 shares
|
— | 15 May 2025 |
| Thomas C. Indelicarto |
3/4/5
EVP, Gen Counsel & Secretary
|
0.04%
|
$10,241,915
35,051 shares
|
-$2,878,569 | 03 Aug 2026 |
| Danny R. McPherson |
3/4/5
EVP - Technology & CSO
|
0.04%
|
$8,556,007
34,450 shares
|
-$1,947,282 | 15 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: -$40,227,700.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 16.12 | 36,000 | $4,929 | $9,880,630 | -$9,875,700 |
| 3-6 | 22.03 | 7,324 | $4,912 | $1,945,861 | -$1,940,949 |
| 6-9 | 15.91 | 42,996 | $3,980 | $10,607,501 | -$10,603,521 |
| 9-12 | 0 | 66,374 | $0 | $17,807,530 | -$17,807,530 |
Reporting owners
Showing 1-17 of 17 reporting-owner rows connected to VERISIGN INC/CA. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC | 10%+ Owner | $2,536,494,642 | Filing P/S | 30 Jul 2025 | ||
| D. James Bidzos | Exec. Chairman, Pres, & CEO, Director | $122,674,600 | -$34,842,938 | -22% | Filing P/S | 04 Aug 2026 |
| Louis A. Simpson | Director | $44,256,713 | Mixed | 19 Jul 2021 | ||
| George E. Kilguss III | EVP and CFO | $34,697,203 | Mixed | 15 May 2025 | ||
| Todd B. Strubbe | President & COO | $21,606,503 | Filing P/S | 20 Feb 2024 | ||
| Thomas C. Indelicarto | EVP, Gen Counsel & Secretary | $10,241,915 | -$2,878,569 | -22% | Filing P/S | 03 Aug 2026 |
| John Calys | EVP, Chief Financial Officer | $8,752,607 | -$383,732 | -4.2% | Filing P/S | 28 Jul 2026 |
| Danny R. McPherson | EVP - Technology & CSO | $8,556,007 | -$1,947,282 | -19% | Mixed | 15 Jun 2026 |
| Roger H/ca Moore | Director | $7,925,474 | Mixed | 22 Jul 2024 | ||
| Kathleen A. Cote | Director | $7,326,687 | Median | 20 Jul 2026 | ||
| Jamie S. Gorelick | Director | $5,824,622 | Median | 20 Jul 2026 | ||
| Timothy Tomlinson | Director | $4,126,680 | -$189,000 | -4.4% | Filing P/S | 20 Aug 2025 |
| Thomas F. Frist III | Director | $2,885,770 | Mixed | 22 Jul 2024 | ||
| Courtney D. Armstrong | Director | $1,812,199 | +$13,821 | +0.77% | Mixed | 20 Jul 2026 |
| Yehuda Ari Buchalter | Director | $1,387,102 | Median | 20 Jul 2026 | ||
| Debra McCann | Director | $699,337 | Median | 20 Jul 2026 | ||
| Matthew J. Desch | Director | $409,539 | Median | 20 Jul 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| D. James Bidzos | VRSN | Common Stock | Sale | -0.8% | $978,591 | $296.54 | -3,300 | 409,639 | 04 Aug 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.41% | $146,100 | $292.20 | -500 | 35,051 | 03 Aug 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.79% | $927,964 | $281.20 | -3,300 | 412,939 | 28 Jul 2026 | Direct |
| John Calys | VRSN | Common Stock | Sale | -1.58% | $140,778 | $281.56 | -500 | 31,087 | 28 Jul 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.79% | $892,466 | $270.44 | -3,300 | 416,239 | 21 Jul 2026 | Direct |
| Debra McCann | VRSN | Common Stock | Award | 47.9% | 900 | 2,780 | 20 Jul 2026 | Direct | ||
| Matthew J. Desch | VRSN | Common Stock | Award | 123.6% | 900 | 1,628 | 20 Jul 2026 | Direct | ||
| Jamie S. Gorelick | VRSN | Common Stock | Award | 4.04% | 900 | 23,154 | 20 Jul 2026 | By Jamie S. Gorelick Revocable Trust | ||
| Kathleen A. Cote | VRSN | Common Stock | Award | 3.19% | 900 | 29,125 | 20 Jul 2026 | Direct | ||
| Yehuda Ari Buchalter | VRSN | Common Stock | Award | 19.5% | 900 | 5,514 | 20 Jul 2026 | Direct | ||
| Courtney D. Armstrong | VRSN | Common Stock | Award | 17.2% | 900 | 6,117 | 20 Jul 2026 | by The Armstrong Family Trust | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.39% | $140,000 | $280.00 | -500 | 35,551 | 20 Jul 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.78% | $883,875 | $267.84 | -3,300 | 419,539 | 14 Jul 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -0.69% | $67,308 | $269.23 | -250 | 36,051 | 08 Jul 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.77% | $878,105 | $266.09 | -3,300 | 422,839 | 07 Jul 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -0.68% | $63,958 | $255.83 | -250 | 36,301 | 01 Jul 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.77% | $828,110 | $250.94 | -3,300 | 426,139 | 30 Jun 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.76% | $820,141 | $248.53 | -3,300 | 429,439 | 23 Jun 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.76% | $904,926 | $274.22 | -3,300 | 432,739 | 16 Jun 2026 | Direct |
| John Calys | VRSN | Common Stock | Tax liability | -0.91% | -290 | 31,587 | 15 Jun 2026 | Direct | ||
| Danny R. McPherson | VRSN | Common Stock | Tax liability | -0.24% | -82.22 | 34,450 | 15 Jun 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.35% | $141,770 | $283.54 | -500 | 36,551 | 09 Jun 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.75% | $938,169 | $284.29 | -3,300 | 436,039 | 09 Jun 2026 | Direct |
| D. James Bidzos | VRSN | Common Stock | Sale | -0.75% | $981,646 | $297.47 | -3,300 | 439,339 | 02 Jun 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.33% | $146,725 | $293.45 | -500 | 37,051 | 02 Jun 2026 | Direct |
| Courtney D. Armstrong | VRSN | Common Stock | Purchase | 0.26% | $714 | $309.01 | 2.31 | 885 | 27 May 2026 | Direct |
| Courtney D. Armstrong | VRSN | Common Stock | Purchase | 0.27% | $4,215 | $305.28 | 13.81 | 5,217 | 27 May 2026 | by The Armstrong Family Trust |
| John Calys | VRSN | Common Stock | Tax liability | -0.56% | -179 | 31,842 | 15 May 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Tax liability | -1.85% | -706 | 37,496 | 15 May 2026 | Direct | ||
| Danny R. McPherson | VRSN | Common Stock | Tax liability | -2.06% | -726 | 34,470 | 15 May 2026 | Direct | ||
| D. James Bidzos | VRSN | Common Stock | Tax liability | -0.37% | -1,646 | 442,490 | 15 May 2026 | Direct | ||
| Danny R. McPherson | VRSN | Common Stock | Sale | -12.4% | $1,355,106 | $271.02 | -5,000 | 35,195 | 28 Apr 2026 | Direct |
| Danny R. McPherson | VRSN | Common Stock | Tax liability | -0.07% | -26.73 | 40,195 | 15 Apr 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.29% | $134,490 | $270.06 | -498 | 38,202 | 14 Apr 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.27% | $136,452 | $274.00 | -498 | 38,700 | 07 Apr 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.25% | $124,500 | $250.00 | -498 | 39,198 | 25 Mar 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -0.83% | $79,886 | $240.62 | -332 | 39,696 | 10 Mar 2026 | Direct |
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -1.23% | $115,426 | $231.78 | -498 | 40,028 | 03 Mar 2026 | Direct |
| Courtney D. Armstrong | VRSN | Common Stock | Purchase | 0.37% | $712 | $219.44 | 3.24 | 882 | 27 Feb 2026 | Direct |
| Courtney D. Armstrong | VRSN | Common Stock | Purchase | 0.36% | $4,200 | $223.54 | 18.79 | 5,188 | 27 Feb 2026 | by The Armstrong Family Trust |
| John Calys | VRSN | Common Stock | Tax liability | -0.95% | -308 | 31,975 | 15 Feb 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Tax liability | -3.74% | -1,573 | 40,450 | 15 Feb 2026 | Direct | ||
| Danny R. McPherson | VRSN | Common Stock | Tax liability | -3.95% | -1,649 | 40,135 | 15 Feb 2026 | Direct | ||
| D. James Bidzos | VRSN | Common Stock | Tax liability | -0.85% | -3,799 | 443,928 | 15 Feb 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Sale | -0.39% | $36,394 | $219.24 | -166 | 42,023 | 10 Feb 2026 | Direct |
| John Calys | VRSN | Common Stock | Tax liability | -1.27% | -414 | 32,283 | 05 Feb 2026 | Direct | ||
| John Calys | VRSN | Common Stock | Award | 4.06% | 1,277 | 32,698 | 05 Feb 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Tax liability | -3.64% | -1,595 | 42,189 | 05 Feb 2026 | Direct | ||
| Thomas C. Indelicarto | VRSN | Common Stock | Award | 12.3% | 4,810 | 43,784 | 05 Feb 2026 | Direct | ||
| Danny R. McPherson | VRSN | Common Stock | Tax liability | -3.69% | -1,601 | 41,784 | 05 Feb 2026 | Direct |