Comparable stake leader
INVESTOR AB
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000717826.
Comparable stake leader
INVESTOR AB
Disclosed value leader
INVESTOR AB
Comparable rows
50/50
Latest evidence
31 Mar 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 |
|---|---|---|---|---|---|
| INVESTOR AB |
13D/G
|
6.2%
|
$1,571,613,041
190,729,738 shares
|
$0 | 04 Apr 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$12,793,219
1,135,157 shares
|
— | 31 Mar 2026 |
| FIL Ltd |
13D/G
FIL Limited
|
3.8%
|
—
116,761,348 shares
|
$0 | 31 Mar 2025 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
Company
|
2.7%
|
$927,094,171
82,262,127 shares
|
— | 31 Mar 2026 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
2.1%
|
$730,418,000
64,816,105 shares
|
— | 31 Mar 2026 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
Company
|
1.2%
|
$422,670,226
37,504,013 shares
|
— | 31 Mar 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
0.45%
|
$154,471,906
13,706,469 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
0.3%
|
$104,152,570
9,241,575 shares
|
— | 31 Mar 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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 10 Aug 2025.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||