LyondellBasell Industries
798 hedge funds and large institutions have $10.2B invested in LyondellBasell Industries in 2025 Q4 according to their latest regulatory filings, with 132 funds opening new positions, 269 increasing their positions, 297 reducing their positions, and 135 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
4.36% more ownership
Funds ownership: 68.52% → 72.88% (+4.4%)
7% more call options, than puts
Call options by funds: $228M | Put options by funds: $214M
2% less first-time investments, than exits
New positions opened: 132 | Existing positions closed: 135
9% less repeat investments, than reductions
Existing positions increased: 269 | Existing positions reduced: 297
2% less funds holding
Funds holding: 815 → 798 (-17)
6% less capital invested
Capital invested by funds: $10.8B → $10.2B (-$628M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$282M |
| 2 |
Capital Research Global Investors
Los Angeles,
California
|
+$216M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$117M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$81.4M |
| 5 |
WorldQuant Millennium Advisors
New York
|
+$66.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital International Investors
Los Angeles,
California
|
-$138M |
| 2 |
HighTower Advisors
Chicago,
Illinois
|
-$104M |
| 3 |
EIP
Epoch Investment Partners
New York
|
-$57.4M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
-$57.1M |
| 5 |
SPC
Slate Path Capital
New York
|
-$55.3M |
LYB Hedge Fund Activity: Q4 2025 in Review
798 institutional investors reported a position in LyondellBasell Industries (LYB) for Q4 2025, worth a combined $10.2B — down 5.8% from $10.8B a quarter earlier.
Sellers outnumbered buyers: 135 funds closed out of LYB and 132 opened new positions — a net loss of 3 holders — while 297 trimmed existing stakes and 269 added.
The largest buyer was BlackRock, adding an estimated $282M. The largest seller was Capital International Investors, exiting entirely with an estimated $138M sold.
- 798 institutional investors held LyondellBasell Industries (LYB) as of Q4 2025, down from 815 in Q3 2025.
- Funds reported $10.2B of LyondellBasell Industries stock for Q4 2025, down 5.8% quarter-over-quarter.
- 132 funds opened new LyondellBasell Industries positions in Q4 2025 and 135 closed out, a net change of -3 holders.
- The largest LyondellBasell Industries buyer in Q4 2025 was BlackRock, an estimated $282M added.
- The largest LyondellBasell Industries seller in Q4 2025 was Capital International Investors, an estimated $138M sold.
Based on aggregated 13F filings for Q4 2025.