INVESTOR AB 13F: Quarter-over-Quarter Portfolio Changes
INVESTOR AB reported a disclosed portfolio value of approximately $15.1 billion in its latest SEC Form 13F-HR filing for Q1 2026, up 166.6% quarter on quarter. Over the quarter, the company initiated 4 new positions, bought more shares in 2 holdings, trimmed 2 holdings, and exited 6 positions.
INVESTOR AB's top buy was a new stake in Astrazeneca PLC (AZN) , equal to 67.3% of the disclosed portfolio. Its top sell was Capital One Finl CORP (COF) . The company exited the position completely after it had accounted for 0.0% of the previous portfolio.
New PositionsQ1 2026
Securities disclosed for the first time in Q1 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| ASTRAZENECA PLC | AZN | 67.3% | History → |
| CELLEBRITE DI LTD | CLBT | 0.0% | History → |
| KYIVSTAR GROUP LTD | KYIV | 0.0% | History → |
| VERIZON COMMUNICATIONS INC. | VZ | 0.0% | History → |
Top BuysQ1 2026
The company's top buys among existing positions in Q1 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| WHIRLPOOL CORP | WHR | +-0.0% | +27.0% | History → |
| NASDAQ INC | NDAQ | +-67.0% | +0.3% | History → |
Top SellsQ1 2026
The company's top sells among positions it retained in Q1 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| COHERENT CORP | COHR | -0.0% | 50.0% | History → |
| CORSAIR GAMING INC | CRSR | -0.0% | 20.0% | History → |
Full ExitsQ1 2026
Positions present in the prior 13F-HR filing that no longer appear in Q1 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| CAPITAL ONE FINL CORP | COF | 0.0% |
| CELLEBRITE DI LTD | UNKNOWN | 0.0% |
| CHECK POINT SOFTWARE TECHNOLOGIES LTD. | CHKP | 0.0% |
| CARNIVAL CORP | CCL | 0.0% |
| D-WAVE QUANTUM INC | QBTS | 0.0% |
| SS&C TECH HLDGS | SSNC | 0.0% |
Net Portfolio Value ChangeQ1 2026
- $5.7BPrior quarter
- $15.1BCurrent quarter
- +$9.5BNet delta
- +166.6%% change
Methodology & FAQ
How INVESTOR AB Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for INVESTOR AB: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description — including how confidential treatment filings are handled — is documented in the Methodology.
What stocks did INVESTOR AB buy in Q1 2026?
In Q1 2026, INVESTOR AB initiated 4 new positions (ASTRAZENECA PLC (AZN), CELLEBRITE DI LTD (CLBT), KYIVSTAR GROUP LTD (KYIV), VERIZON COMMUNICATIONS INC. (VZ)); bought more shares of WHIRLPOOL CORP (WHR), NASDAQ INC (NDAQ).
What stocks did INVESTOR AB sell in Q1 2026?
In Q1 2026, INVESTOR AB fully sold 6 positions (CAPITAL ONE FINL CORP (COF), CELLEBRITE DI LTD (UNKNOWN), CHECK POINT SOFTWARE TECHNOLOGIES LTD. (CHKP), CARNIVAL CORP (CCL), D-WAVE QUANTUM INC (QBTS), SS&C TECH HLDGS (SSNC)); reduced holdings in COHERENT CORP (COHR), CORSAIR GAMING INC (CRSR).
Which positions did INVESTOR AB initiate in Q1 2026?
INVESTOR AB established 4 new positions in Q1 2026: ASTRAZENECA PLC (AZN, 67.3%), CELLEBRITE DI LTD (CLBT, 0.0%), KYIVSTAR GROUP LTD (KYIV, 0.0%), VERIZON COMMUNICATIONS INC. (VZ, 0.0%).
Which existing positions saw the largest allocation increases for INVESTOR AB in Q1 2026?
Of 2 existing positions with share-count increases in Q1 2026, the largest were: WHIRLPOOL CORP (WHR, +-0.0% weight, +27.0% shares), NASDAQ INC (NDAQ, +-67.0% weight, +0.3% shares).
Which positions did INVESTOR AB fully exit in Q1 2026?
INVESTOR AB fully exited 6 positions in Q1 2026: CAPITAL ONE FINL CORP (COF, last-reported weight 0.0%), CELLEBRITE DI LTD (UNKNOWN, last-reported weight 0.0%), CHECK POINT SOFTWARE TECHNOLOGIES LTD. (CHKP, last-reported weight 0.0%), CARNIVAL CORP (CCL, last-reported weight 0.0%), D-WAVE QUANTUM INC (QBTS, last-reported weight 0.0%), SS&C TECH HLDGS (SSNC, last-reported weight 0.0%).
Which existing positions saw the largest allocation reductions for INVESTOR AB in Q1 2026?
Of 2 existing positions with share-count reductions in Q1 2026, the largest were: COHERENT CORP (COHR, -0.0% weight, -50.0% shares), CORSAIR GAMING INC (CRSR, -0.0% weight, -20.0% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.