LABU vs XBI overlap - what they share and where they differ
LABU and XBI share 76.5% of their weight across 137 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
LABU and XBI
76.5%
137 shared positions
LABU
Direxion Daily S&P Biotech Bull 3X Shares
Reported positions cover 82% of the fund, 145 positions · Apr 30, 2026
Top 10: 12.2%·Holdings of LABU
XBI
State Street(R) SPDR(R) S&P(R) Biotech ETF
Reported positions cover 100% of the fund, 149 positions · Jun 30, 2026
Top 10: 13.3%·Holdings of XBI
Reported positions cover LABU 82%, XBI 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XBI vs LABU side by side
LABUDirexion Daily S&P Biotech Bull 3X Shares
145
stock positions reported to the SEC
3.8% of its weight is in 8 names XBI does not hold
XBIState Street(R) SPDR(R) S&P(R) Biotech ETF
149
stock positions reported to the SEC
2.8% of its weight is in 12 names LABU does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Healthcare: XBI has 19.1 points more of it.
The figures side by side
| LABU | XBI | |
|---|---|---|
| Filing date | Apr 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 145 | 149 |
| Weight of the ten largest | 12.2% | 13.3% |
| Largest position | APELLIS PHARMACEUTICALS INC 1.5% | APGE 1.5% |
| Held alone | 8 positions, 3.8% | 12 positions, 2.8% |
| Covered by stock positions | 82% | 100% |
Holdings they share
| Stock | In LABU | In XBI | Counted |
|---|---|---|---|
| RVMDRevolution Medicines Inc | 1.35% | 1.20% | 1.20% |
| TWSTTwist Bioscience Corporation | 1.17% | 1.41% | 1.17% |
| TVTXTravere Therapeutics Inc | 1.33% | 1.13% | 1.13% |
| ALKSAlkermes PLC | 1.14% | 1.11% | 1.11% |
| TGTXTG Therapeutics Inc | 1.13% | 1.09% | 1.09% |
| BEAMBeam Therapeutics Inc. | 1.09% | 1.08% | 1.08% |
| ARWRARROWHEAD PHARMACEUTICALS INC | 1.18% | 1.07% | 1.07% |
| MDGLMadrigal Pharmaceuticals Inc | 1.12% | 1.06% | 1.06% |
| APGEApogee Therapeutics Inc. | 1.04% | 1.49% | 1.04% |
| SMMTSummit Therapeutics Inc. | 1.15% | 1.01% | 1.01% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in LABU
Only in XBI
Questions people ask
Is LABU the same as XBI?
76.5% of their weight sits in the same 137 holdings. LABU also reports APELLIS PHARMACEUTICALS INC, SOLENO THERAPEUTICS INC, CATALYST PHARMACEUTICALS INC., which the other does not. XBI also reports CATALYST PHARMACEUTICALS INC, AVTX, JBIO, which the other does not.
How is the overlap between LABU and XBI measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 82% of LABU and 100% of XBI, so the number cannot exceed the smaller coverage.
Which holds more, XBI or LABU?
LABU reports 145 stock positions and XBI reports 149. 3.8% of LABU's weight sits in names XBI does not hold, and 2.8% of XBI's weight in names LABU does not hold. The ten largest positions are 12.2% of LABU and 13.3% of XBI.
How do LABU and XBI differ by sector?
The widest gap is Healthcare: XBI has 19.1 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
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Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.