Investor AB
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Investor AB reported 10 stock positions worth $15.1 billion. Its top holding was Astrazeneca (AZN) at 67.3% of the portfolio, followed by Nasdaq (NDAQ, 32.6%) and Mediwound (MDWD, 0.1%). Compared with Q4 2025, it opened 4 new positions, sold out of 6, added to 2 and reduced 2. The biggest buy was a new position in Astrazeneca (AZN) and the biggest sale an exit from Capital One Financial (COF).
- Most Recent 13F
- Q2 2026
- Location
- STOCKHOLM, V7
- CIK
- 0000889232
- Portfolio Value
- $15.1B (Q1 2026)
- SEC Filing
- 0001493152-26-023718 ↗ filed May 15, 2026
Holdings Value
Holdings 10 stocks · $15.1B
| AZN Astrazeneca PLC | 67.27% | 51,587,810 | $10.2B | New |
| NDAQ Nasdaq Inc. | 32.61% | 58,382,426 | $4.9B | Add +0.3% |
| MDWD Mediwound Ltd. | 0.09% | 872,093 | $14.0M | No change |
| CLBT Cellebrite Di Ltd. | 0.01% | 55,000 | $758K | New |
| COHR Coherent Corp. | 0.00% | 3,000 | $715K | Reduce -50.0% |
| KYIV Kyivstar Group Ltd. | 0.00% | 59,402 | $601K | New |
| VZ Verizon Communications Inc. | 0.00% | 11,300 | $567K | New |
| CRSR Corsair Gaming Inc. | 0.00% | 99,711 | $553K | Reduce -20.1% |
| WHR Whirlpool Corp. | 0.00% | 4,700 | $253K | Add +27.0% |
| BMRN Biomarin Pharmaceutical Inc. | 0.00% | 3,700 | $209K | No change |
Portfolio Sells Q4 2025 → Q1 2026
| COF Capital One Financial Corp. | Sold out | 0.00% | −0.02 |
| CELLEBRITE DI LTD | Sold out | 0.00% | −0.02 |
| CHKP Check Point Software Tech | Sold out | 0.00% | −0.02 |
| COHR Coherent Corp. | Reduce -50.0% | 0.00% | −0.01 |
| CCL Carnival Corp. | Sold out | 0.00% | −0.01 |
| CRSR Corsair Gaming Inc. | Reduce -20.1% | 0.00% | −0.01 |
| QBTS D-Wave Quantum Inc. | Sold out | 0.00% | −0.01 |
| SSNC Ss&c Technologies Holdings | Sold out | 0.00% | −0.00 |
Portfolio Buys Q4 2025 → Q1 2026
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 7 | $14.4B | AZN, NDAQ, MDWD, CLBT, MU |
| Q1 2026 | 10 | $15.1B | AZN, NDAQ, MDWD, CLBT, COHR |
| Q4 2025 | 12 | $5.7B | NDAQ, MDWD, COF, COHR, CELLEBRITE DI LTD |
| Q3 2025 | 12 | $5.2B | NDAQ, MDWD, MCHP, TER, CHKP |
| Q2 2025 | 13 | $5.2B | NDAQ, MDWD, MCHP, TIGO, CDNS |
| Q1 2025 | 13 | $4.4B | NDAQ, MDWD, TIGO, CDNS, MCHP |
| Q4 2024 | 8 | $4.5B | NDAQ, MDWD, CHKP, CLBT, CCL |
| Q3 2024 | 7 | $4.3B | NDAQ, MDWD, CHKP, ONTO, COHR |
| Q2 2024 | 6 | $3.5B | NDAQ, ONTO, CHKP, CCL, COHR |
| Q1 2024 | 10 | $3.7B | NDAQ, MU, AMAT, ONTO, CHKP |