HBK Investments L P
13F filer · CIK 0001011443Reported Aug 14, 2026
Net buyer this quarter
13F portfolio value$10.2BU.S. long equity reported on 13F
Positions15559 new · 82 closed
Net flow last quarter+$290MBuys minus sells
Top 10 positions weight53.0%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 2026155 positions | |||||
| TBLDTopBuild Corp | $931M | 9.09% | 9.33% | Not reported | Q3 2015 |
| EAEAElectronic Arts Inc. | $654M | 6.39% | Not reported | -2.5% | Q2 2013 |
| $581M | 5.67% | 4.67% | +12.5% | Q2 2018 | |
| $551M | 5.38% | 0.78% | +0.8% | Q2 2013 | |
| $535M | 5.23% | 1.46% | +33.3% | Q3 2023 | |
| $506M | 4.94% | 0.76% | +15.9% | Q1 2025 | |
| $482M | 4.71% | 4.37% | New | Q2 2026 | |
| NNUVLNuvalent, Inc. | $430M | 4.20% | 111.30% | New | Q2 2026 |
| ATAPGEApogee Therapeutics, Inc. | $378M | 3.70% | 3.78% | New | Q2 2026 |
| CIGTLSChart Industries Inc | $374M | 3.65% | 3.74% | +159.6% | Q4 2013 |
| $343M | 3.35% | Not reported | +264.2% | Q2 2013 | |
| $219M | 2.14% | 3.03% | Not reported | Q3 2014 | |
| $164M | 1.60% | 0.80% | Not reported | Q3 2018 | |
| $162M | 1.59% | 1.55% | Not reported | Q2 2013 | |
| LBLBRDKLiberty Broadband Corp | $150M | 1.46% | Not reported | +4.8% | Q1 2015 |
| $114M | 1.12% | 2.27% | New | Q2 2026 | |
| CPCPRXCatalyst Pharmaceuticals, Inc. | $88.6M | 0.87% | 2.30% | New | Q2 2026 |
| $40.6M | 0.40% | Not reported | New | Q2 2026 | |
| $38.3M | 0.37% | 1.71% | Not reported | Q1 2024 | |
| $31.7M | 0.31% | 0.23% | Not reported | Q2 2017 | |
| $31.1M | 0.30% | 0.82% | +21.1% | Q4 2024 | |
| $29.9M | 0.29% | 0.23% | Not reported | Q3 2024 | |
| $29.4M | 0.29% | 0.20% | Not reported | Q3 2014 | |
| $27.5M | 0.27% | 0.44% | -84.1% | Q2 2013 | |
| $26.1M | 0.25% | 0.02% | +20.9% | Q4 2019 | |
| $25.1M | 0.24% | 0.25% | -27.1% | Q3 2015 | |
| $23M | 0.22% | 0.02% | -12.2% | Q2 2013 | |
| $20.8M | 0.20% | 1.29% | -40.1% | Q2 2013 | |
| $18M | 0.18% | 0.45% | Not reported | Q3 2013 | |
| $16.1M | 0.16% | 0.16% | -6.7% | Q3 2013 | |
| $15.4M | 0.15% | 2.05% | -13.0% | Q3 2024 | |
| $14.7M | 0.14% | Not reported | New | Q2 2026 | |
| $14.5M | 0.14% | 0.46% | Not reported | Q3 2017 | |
| $14.4M | 0.14% | 0.49% | New | Q2 2026 | |
| $14.4M | 0.14% | 0.02% | +528.1% | Q2 2025 | |
| $12.8M | 0.13% | Not reported | -23.5% | Q4 2025 | |
| $9.65M | 0.09% | Not reported | -6.4% | Q1 2024 | |
| $9.55M | 0.09% | 0.08% | Not reported | Q1 2016 | |
| $8.43M | 0.08% | 0.12% | Not reported | Q2 2013 | |
| $8.06M | 0.08% | 0.37% | New | Q2 2026 | |
| $7.58M | 0.07% | Not reported | Not reported | Q1 2026 | |
| KUKPETKPET Ultra Paceline Corp | $7.49M | 0.07% | Not reported | New | Q2 2026 |
| $7.48M | 0.07% | Not reported | New | Q2 2026 | |
| $7.47M | 0.07% | Not reported | New | Q2 2026 | |
| $7.36M | 0.07% | Not reported | New | Q2 2026 | |
| $7.25M | 0.07% | Not reported | Not reported | Q3 2025 | |
| $7.06M | 0.07% | Not reported | New | Q2 2026 | |
| $7M | 0.07% | 1.62% | Not reported | Q1 2026 | |
| $6.84M | 0.07% | 0.48% | Not reported | Q3 2014 | |
| $6.71M | 0.07% | Not reported | New | Q2 2026 | |
| Q1 2026Reported May 15, 2026177 positions | |||||
| HHOLXHologic Inc | $741M | 7.52% | 4.39% | +16.7% | Q2 2013 |
| EAEAElectronic Arts Inc. | $667M | 6.77% | Not reported | +71.2% | Q2 2013 |
| $537M | 5.45% | 4.16% | Not reported | Q2 2018 | |
| $498M | 5.06% | 0.77% | -18.5% | Q2 2013 | |
| MMASIMasimo Corp | $458M | 4.65% | 4.94% | Not reported | Q3 2015 |
| $449M | 4.56% | 0.65% | +83.3% | Q1 2025 | |
| CSCTRACentra Software Inc | $371M | 3.77% | Not reported | Not reported | Q3 2013 |
| $362M | 3.67% | 1.09% | +728.4% | Q3 2023 | |
| SAALSumisho Air Lease Corporation | $359M | 3.64% | 4.93% | +20.1% | Q2 2013 |
| CACWANClearwater Analytics Holdings, Inc. | $328M | 3.33% | Not reported | +3616.8% | Q3 2021 |
| SASEESealed Air Corp | $307M | 3.12% | 4.96% | Not reported | Q3 2013 |
| AACLXArcellx, Inc. | $262M | 2.65% | 3.90% | New | Q1 2026 |
| LBLBRDKLiberty Broadband Corp | $216M | 2.19% | Not reported | -27.4% | Q1 2015 |
| $178M | 1.80% | 2.75% | +79.2% | Q2 2013 | |
| TPTERNTerns Pharmaceuticals, Inc. | $156M | 1.58% | 2.56% | New | Q1 2026 |
| APAPLSApellis Pharmaceuticals, Inc. | $143M | 1.45% | 2.78% | Not reported | Q4 2018 |
| CIGTLSChart Industries Inc | $142M | 1.45% | 1.44% | -65.0% | Q4 2013 |
| ATFOLDAmicus Therapeutics, Inc. | $127M | 1.29% | 2.80% | -42.4% | Q3 2015 |
| $82M | 0.83% | Not reported | Not reported | Q2 2013 | |
| $44.2M | 0.45% | 1.83% | Not reported | Q1 2024 | |
| $30.6M | 0.31% | 0.03% | Not reported | Q2 2013 | |
| $29.5M | 0.30% | 0.20% | Not reported | Q3 2014 | |
| $26.9M | 0.27% | 2.17% | +505.7% | Q2 2013 | |
| $26.9M | 0.27% | 0.35% | -30.9% | Q3 2015 | |
| $25.3M | 0.26% | 0.22% | Not reported | Q3 2024 | |
| $23.5M | 0.24% | 1.95% | Not reported | Q3 2024 | |
| $21.5M | 0.22% | 0.01% | +8.0% | Q4 2019 | |
| $18.9M | 0.19% | Not reported | +80.9% | Q4 2025 | |
| $18.9M | 0.19% | 0.43% | Not reported | Q3 2013 | |
| $18.5M | 0.19% | 0.67% | Not reported | Q4 2024 | |
| $18M | 0.18% | 0.17% | +132.5% | Q3 2013 | |
| $14.1M | 0.14% | 0.11% | Not reported | Q1 2024 | |
| $12.8M | 0.13% | 0.16% | Not reported | Q1 2024 | |
| $12.4M | 0.13% | 0.01% | Not reported | Q4 2017 | |
| $12M | 0.12% | 0.35% | -90.5% | Q4 2025 | |
| $11.3M | 0.11% | Not reported | -55.6% | Q3 2025 | |
| $8.47M | 0.09% | Not reported | -52.6% | Q1 2024 | |
| $7.99M | 0.08% | 0.00% | Not reported | Q3 2013 | |
| $7.52M | 0.08% | Not reported | New | Q1 2026 | |
| $7.5M | 0.08% | Not reported | New | Q1 2026 | |
| $7.44M | 0.08% | 0.00% | Not reported | Q4 2013 | |
| $7.28M | 0.07% | 0.08% | +23.3% | Q2 2020 | |
| $7.27M | 0.07% | Not reported | Not reported | Q1 2025 | |
| $7.2M | 0.07% | 0.09% | +212.9% | Q3 2014 | |
| $7.15M | 0.07% | Not reported | Not reported | Q3 2025 | |
| $6.9M | 0.07% | 1.62% | New | Q1 2026 | |
| $6.48M | 0.07% | 0.00% | Not reported | Q3 2016 | |
| $6.29M | 0.06% | 0.00% | Not reported | Q2 2013 | |
| $6.18M | 0.06% | 0.37% | Not reported | Q3 2024 | |
| $5.82M | 0.06% | 0.01% | -5.7% | Q2 2013 | |
| Q4 2025Reported Feb 17, 2026120 positions | |||||
| $777M | 6.10% | 2.92% | Not reported | Q3 2013 | |
| HHOLXHologic Inc | $626M | 4.92% | 3.77% | Not reported | Q2 2013 |
| $615M | 4.83% | 0.95% | +67.7% | Q2 2013 | |
| DDAYDayforce, Inc. | $543M | 4.27% | 4.91% | +82.6% | Q3 2025 |
| CCFLTConfluent, Inc. | $454M | 3.56% | 13.71% | New | Q4 2025 |
| CIGTLSChart Industries Inc | $406M | 3.19% | 4.38% | -7.5% | Q4 2013 |
| EAEAElectronic Arts Inc. | $390M | 3.07% | Not reported | Not reported | Q2 2013 |
| CCMAComerica Inc | $346M | 2.71% | 3.11% | Not reported | Q2 2013 |
| ABRNAMAvidity Biosciences, Inc. | $315M | 2.47% | 2.89% | New | Q4 2025 |
| FCFYBRFrontier Communications Parent, Inc. | $297M | 2.33% | Not reported | +121.3% | Q1 2025 |
| SAALSumisho Air Lease Corporation | $296M | 2.32% | 4.12% | +67.4% | Q2 2013 |
| LBLBRDKLiberty Broadband Corp | $287M | 2.26% | Not reported | +4.1% | Q1 2015 |
| CTCDTXCidara Therapeutics, Inc. | $278M | 2.19% | 4.01% | New | Q4 2025 |
| $257M | 2.02% | 0.36% | +410.0% | Q1 2025 | |
| ATFOLDAmicus Therapeutics, Inc. | $217M | 1.71% | 4.91% | Not reported | Q3 2015 |
| SFSNVSynovus Financial Corp | $189M | 1.49% | 2.73% | Not reported | Q2 2013 |
| AIAHLAspen Insurance Holdings Ltd | $167M | 1.31% | Not reported | +24.5% | Q2 2013 |
| $136M | 1.07% | 3.67% | New | Q4 2025 | |
| $99.9M | 0.79% | 1.56% | Not reported | Q2 2013 | |
| $57.1M | 0.45% | 1.57% | -39.5% | Q1 2024 | |
| $55.7M | 0.44% | 0.16% | 0.0% | Q3 2013 | |
| $43.7M | 0.34% | 0.13% | Not reported | Q3 2023 | |
| $33.7M | 0.26% | 0.50% | Not reported | Q3 2015 | |
| $33.3M | 0.26% | 1.51% | Not reported | Q3 2024 | |
| $30.9M | 0.24% | 0.20% | -1.7% | Q3 2014 | |
| $30.7M | 0.24% | 0.22% | +0.6% | Q3 2024 | |
| $23.5M | 0.18% | 0.44% | -3.8% | Q1 2016 | |
| $22.6M | 0.18% | 0.01% | -44.3% | Q4 2019 | |
| $19.4M | 0.15% | Not reported | +73.1% | Q3 2025 | |
| $17.7M | 0.14% | 5.16% | Not reported | Q3 2024 | |
| $17M | 0.13% | 0.67% | -0.9% | Q4 2024 | |
| $16.5M | 0.13% | Not reported | -2.1% | Q1 2024 | |
| $13.4M | 0.11% | 0.09% | New | Q4 2025 | |
| $11.9M | 0.09% | 0.01% | 0.0% | Q2 2013 | |
| $11.2M | 0.09% | 0.16% | +20.0% | Q1 2024 | |
| $9.87M | 0.08% | Not reported | New | Q4 2025 | |
| $9.4M | 0.07% | 0.17% | +25.0% | Q3 2023 | |
| CACWANClearwater Analytics Holdings, Inc. | $9M | 0.07% | Not reported | Not reported | Q3 2021 |
| $8.73M | 0.07% | 0.40% | Not reported | Q3 2024 | |
| $7.84M | 0.06% | Not reported | Not reported | Q4 2013 | |
| $7.12M | 0.06% | Not reported | 0.0% | Q3 2025 | |
| $6.8M | 0.05% | 0.06% | Not reported | Q2 2020 | |
| $6.76M | 0.05% | 0.08% | +483.2% | Q3 2013 | |
| $6.72M | 0.05% | Not reported | Not reported | Q1 2025 | |
| $6.07M | 0.05% | 0.36% | Not reported | Q2 2013 | |
| $5.97M | 0.05% | 0.01% | Not reported | Q2 2013 | |
| $5.7M | 0.04% | 0.01% | -48.1% | Q2 2025 | |
| $5.59M | 0.04% | 0.13% | Not reported | Q4 2016 | |
| $5.34M | 0.04% | 0.20% | -16.3% | Q2 2025 | |
| $5.18M | 0.04% | 0.29% | Not reported | Q2 2015 | |
| Q3 2025Reported Nov 14, 2025108 positions | |||||
| VPVRNAVerona Pharma plc | $455M | 4.99% | 0.62% | New | Q3 2025 |
| CIGTLSChart Industries Inc | $426M | 4.67% | 4.73% | Not reported | Q4 2013 |
| $382M | 4.19% | 0.57% | Not reported | Q2 2013 | |
| LBLBRDKLiberty Broadband Corp | $361M | 3.96% | Not reported | Not reported | Q1 2015 |
| IINFAInformatica LLC | $322M | 3.54% | 12.42% | +56.3% | Q3 2013 |
| DDAYDayforce, Inc. | $296M | 3.25% | 2.69% | New | Q3 2025 |
| ICIPGInterpublic Group of Companies, Inc. | $295M | 3.24% | 2.89% | +76.6% | Q3 2014 |
| MMRUSMerus N.V. | $268M | 2.94% | 3.76% | New | Q3 2025 |
| CBCOOPCooperative Bankshares Inc | $203M | 2.22% | Not reported | New | Q3 2025 |
| SAALSumisho Air Lease Corporation | $175M | 1.92% | 2.46% | Not reported | Q2 2013 |
| MMTSRMetsera, Inc. | $167M | 1.84% | 3.04% | New | Q3 2025 |
| WWNSWNS (Holdings) Limited | $150M | 1.65% | 4.59% | Not reported | Q3 2013 |
| AIAHLAspen Insurance Holdings Ltd | $133M | 1.46% | Not reported | Not reported | Q2 2013 |
| FCFYBRFrontier Communications Parent, Inc. | $132M | 1.44% | Not reported | Not reported | Q1 2025 |
| $124M | 1.36% | 2.37% | -0.5% | Q1 2024 | |
| SSCSSteelcase Inc | $95.4M | 1.05% | 4.83% | Not reported | Q2 2013 |
| VSVRNTVerint Systems Inc | $55.1M | 0.61% | 4.51% | Not reported | Q2 2013 |
| $48.7M | 0.53% | 0.02% | +3.7% | Q4 2019 | |
| $46.8M | 0.51% | 1.47% | +41.8% | Q3 2024 | |
| $37M | 0.41% | 0.21% | +4.1% | Q3 2014 | |
| $34.2M | 0.38% | 0.07% | -2.0% | Q1 2025 | |
| $33.1M | 0.36% | 0.14% | -57.5% | Q1 2024 | |
| $28.2M | 0.31% | 0.22% | +6.5% | Q3 2024 | |
| $26.3M | 0.29% | 0.16% | -14.4% | Q3 2013 | |
| $24.9M | 0.27% | 4.97% | +60.8% | Q3 2024 | |
| $24.5M | 0.27% | 0.45% | Not reported | Q1 2016 | |
| $18.2M | 0.20% | 0.68% | -0.6% | Q4 2024 | |
| $17.8M | 0.20% | Not reported | +1.6% | Q1 2024 | |
| $15.6M | 0.17% | 0.33% | Not reported | Q1 2024 | |
| $12.3M | 0.13% | 0.02% | +92.0% | Q2 2025 | |
| $12.2M | 0.13% | 0.44% | -70.8% | Q3 2024 | |
| $11.5M | 0.13% | 0.22% | Not reported | Q2 2025 | |
| $11.1M | 0.12% | 0.01% | -55.0% | Q2 2013 | |
| $10.1M | 0.11% | Not reported | New | Q3 2025 | |
| $9.58M | 0.11% | 0.16% | Not reported | Q3 2023 | |
| $8.01M | 0.09% | Not reported | New | Q3 2025 | |
| $7.39M | 0.08% | 0.14% | -44.4% | Q1 2024 | |
| $7.11M | 0.08% | Not reported | New | Q3 2025 | |
| $7.04M | 0.08% | 0.07% | Not reported | Q4 2023 | |
| $6.78M | 0.07% | 0.36% | -20.5% | Q2 2013 | |
| AEAEXAAmerican Exceptionalism Acquisition Corp. A | $5.47M | 0.06% | Not reported | New | Q3 2025 |
| $5.17M | 0.06% | 0.11% | New | Q3 2025 | |
| $5.16M | 0.06% | Not reported | -0.7% | Q4 2024 | |
| $5.11M | 0.06% | Not reported | New | Q3 2025 | |
| $5.09M | 0.06% | Not reported | New | Q3 2025 | |
| AIAACBArtius II Acquisition Inc. | $5.09M | 0.06% | Not reported | 0.0% | Q2 2025 |
| $4.97M | 0.05% | Not reported | New | Q3 2025 | |
| $4.82M | 0.05% | 0.24% | +89.0% | Q2 2025 | |
| $4.39M | 0.05% | 1.64% | Not reported | Q3 2024 | |
| $4.29M | 0.05% | Not reported | -75.5% | Q3 2024 | |
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