Q2 2026 13F · SEC CIK 889232
Investor AB
Investment managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $14.4B
- Reported positions
- 7
- Top holdings a year, 3 yrs
- +18.8%
- Average holding period
- 4.0 yrs
Investor AB is an investment manager that reported 7 positions worth $14.4B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Astrazeneca PLC (AZN, 67.9%), Nasdaq Inc (NDAQ, 32.0%), Mediwound Ltd (MDWD, 0.1%). A portfolio copying its top holdings returned 18.8% a year over the last 3 years, against 20.4% for the S&P 500.
Investor AB holdings all 7 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| AZNAstrazeneca PLC | 67.9% | +0.0% | $9.8B |
| NDAQNasdaq Inc | 32.0% | +0.1% | $4.6B |
| MDWDMediwound Ltd | 0.1% | +0.0% | $12.8M |
| CLBTCellebrite Di Ltd | 0.0% | +36.4% | $1.1M |
| MUMicron Technology Inc | 0.0% | — | $543K |
| VZVerizon Communications Inc | 0.0% | +0.0% | $478K |
| BMRNBiomarin Pharmaceutical Inc | 0.0% | +0.0% | $212K |
What Investor AB bought and sold in Q2 2026, against Q1 2026.
New positions
- MU Micron Technology Inc0.0% of 13F
Added to
- CLBT Cellebrite Di Ltd+36.4% shares
Reduced
No position shrank by more than 5%.
Sold out
- COHR Coherent Corpwas 0.0%
- KYIV Kyivstar Group Ltdwas 0.0%
- CRSR Corsair Gaming Incwas 0.0%
- WHR Whirlpool Corp Comwas 0.0%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- -10.4% /yr
- S&P 500 +20.1%
- 3 years
- +18.8% /yr
- S&P 500 +20.4%
- 5 years
- +8.6% /yr
- S&P 500 +13.0%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $14.4B | 7 |
| Q1 2026 | $15.1B | 10 |
| Q4 2025 | $5.7B | 12 |
| Q3 2025 | $5.2B | 12 |
| Q2 2025 | $5.2B | 13 |
| Q1 2025 | $4.4B | 13 |
| Q4 2024 | $4.5B | 8 |
| Q3 2024 | $4.3B | 7 |
| Q2 2024 | $3.5B | 6 |
| Q1 2024 | $3.7B | 10 |
| Q4 2023 | $3.4B | 10 |
| Q3 2023 | $2.8B | 9 |
Questions about Investor AB's portfolio
What stocks does Investor AB own?
Investor AB's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 7 positions worth $14.4B. The largest are Astrazeneca PLC (AZN) at 67.9%, Nasdaq Inc (NDAQ) at 32.0%, Mediwound Ltd (MDWD) at 0.1%, Cellebrite Di Ltd (CLBT) at 0.0% and Micron Technology Inc (MU) at 0.0%.
What did Investor AB buy last quarter?
In Q2 2026, Investor AB added a new position in Micron Technology Inc (MU) and Cellebrite Di Ltd (CLBT) (+36.4% shares), compared with its Q1 2026 filing.
What did Investor AB sell last quarter?
In Q2 2026, Investor AB sold all of Coherent Corp (COHR), sold all of Kyivstar Group Ltd (KYIV), sold all of Corsair Gaming Inc (CRSR) and sold all of Whirlpool Corp Com (WHR), compared with its Q1 2026 filing.
How has Investor AB's portfolio performed?
A portfolio copying Investor AB's 20 largest 13F holdings each quarter, from the day each filing was public, returned +18.8% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: -10.4% against +20.1%. Over 5 years: +8.6% a year against +13.0%.
When is Investor AB's next 13F filing due?
13F filings are due 45 days after each quarter ends. Investor AB's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.