Atom Investors LP: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1738902) · Explore on the interactive board
Atom Investors LP disclosed 818 US equity positions worth $1.1bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is VOO at 4.1% of the reported book, followed by VTRS, INTC. The top ten holdings are 11.0% of the book, and the portfolio behaves like about 245 equal-weight positions. Versus the prior filing it opened 418 new positions, added to 143, reduced 250 and exited 25. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Atom Investors LP own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 418 new, 143 added, 250 reduced, 25 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | VOO VANGUARD INDEX FDS | 4.1% | $46.0m | 66,972 | -0% | held | |
| 2 | VTRS VIATRIS INC | Healthcare | 1.0% | $11.2m | 705,683 | 561% | added |
| 3 | INTC INTEL CORP | Technology | 0.9% | $10.6m | 76,015 | 262% | added |
| 4 | HPE HEWLETT PACKARD ENTERPRISE C | Technology | 0.9% | $9.7m | 215,283 | – | new |
| 5 | RYTM RHYTHM PHARMACEUTICALS INC | Healthcare | 0.7% | $8.2m | 73,465 | 29% | added |
| 6 | ESAB ESAB CORPORATION | Industrials | 0.7% | $8.1m | 82,405 | 238% | added |
| 7 | EWZ ISHARES INC | 0.7% | $8.1m | 234,771 | – | new | |
| 8 | GXO GXO LOGISTICS INCORPORATED | Industrials | 0.7% | $8.0m | 156,873 | 44% | added |
| 9 | AMAT APPLIED MATLS INC | Technology | 0.6% | $7.0m | 9,715 | -50% | reduced |
| 10 | AVGO BROADCOM INC | Technology | 0.6% | $6.8m | 18,060 | -51% | reduced |
| 11 | NVDA NVIDIA CORPORATION | Technology | 0.6% | $6.8m | 33,901 | -41% | reduced |
| 12 | VSEC VSE CORP | Industrials | 0.6% | $6.5m | 28,386 | – | new |
| 13 | AAPL APPLE INC | Technology | 0.6% | $6.3m | 21,814 | – | new |
| 14 | IMNM IMMUNOME INC | Healthcare | 0.6% | $6.3m | 297,489 | -3% | reduced |
| 15 | JBTM JBT MAREL CORPORATION | Industrials | 0.5% | $6.2m | 42,492 | – | new |
| 16 | VRSN VERISIGN INC | Technology | 0.5% | $6.1m | 24,293 | 308% | added |
| 17 | EQIX EQUINIX INC | Real Estate | 0.5% | $6.0m | 5,714 | -52% | reduced |
| 18 | RSP INVESCO EXCHANGE TRADED FD T | 0.5% | $5.9m | 27,764 | – | new | |
| 19 | HD HOME DEPOT INC | Consumer Cyclical | 0.5% | $5.9m | 16,683 | – | new |
| 20 | RARE ULTRAGENYX PHARMACEUTICAL IN | Healthcare | 0.5% | $5.7m | 171,771 | 83% | added |
| 21 | GGG GRACO INC | Industrials | 0.5% | $5.7m | 74,973 | – | new |
| 22 | AME AMETEK INC | Industrials | 0.5% | $5.5m | 22,891 | 62% | added |
| 23 | MSFT MICROSOFT CORP | Technology | 0.5% | $5.4m | 14,579 | 31% | added |
| 24 | TTMI TTM TECHNOLOGIES INC | Technology | 0.5% | $5.4m | 28,908 | 245% | added |
| 25 | AMZN AMAZON COM INC | Consumer Cyclical | 0.5% | $5.4m | 22,644 | -54% | reduced |
| 26 | GOOG ALPHABET INC | Communication Services | 0.5% | $5.4m | 15,198 | -1% | reduced |
| 27 | ZETA ZETA GLOBAL HOLDINGS CORP | Technology | 0.5% | $5.2m | 264,086 | – | new |
| 28 | SLGN SILGAN HLDGS INC | Consumer Cyclical | 0.4% | $5.0m | 107,324 | – | new |
| 29 | FERG FERGUSON ENTERPRISES INC | Industrials | 0.4% | $5.0m | 20,966 | – | new |
| 30 | SMTC SEMTECH CORP | Technology | 0.4% | $4.9m | 30,064 | 303% | added |
| 31 | MU MICRON TECHNOLOGY INC | Technology | 0.4% | $4.7m | 4,068 | – | new |
| 32 | ABT ABBOTT LABORATORIES | Healthcare | 0.4% | $4.6m | 50,174 | 140% | added |
| 33 | LECO LINCOLN ELEC HLDGS INC | Industrials | 0.4% | $4.5m | 16,908 | 5% | added |
| 34 | LRCX LAM RESEARCH CORP | Technology | 0.4% | $4.1m | 9,535 | – | new |
| 35 | ED CONSOLIDATED EDISON INC | Utilities | 0.4% | $3.9m | 35,657 | 300% | added |
| 36 | MGRC MCGRATH RENTCORP | Industrials | 0.3% | $3.9m | 32,013 | – | new |
| 37 | LOW LOWES COS INC | Consumer Cyclical | 0.3% | $3.9m | 17,565 | – | new |
| 38 | MA MASTERCARD INCORPORATED | Financial Services | 0.3% | $3.8m | 7,408 | – | new |
| 39 | NPK NATIONAL PRESTO INDS INC | Industrials | 0.3% | $3.8m | 30,383 | 7% | added |
| 40 | HNI HNI CORP | Consumer Cyclical | 0.3% | $3.8m | 93,877 | 42% | added |
| 41 | RS RELIANCE INC | Basic Materials | 0.3% | $3.7m | 10,023 | -66% | reduced |
| 42 | SUPN SUPERNUS PHARMACEUTICALS | Healthcare | 0.3% | $3.7m | 79,936 | 75% | added |
| 43 | GILD GILEAD SCIENCES INC | Healthcare | 0.3% | $3.7m | 29,028 | – | new |
| 44 | DNTH DIANTHUS THERAPEUTICS INC | Healthcare | 0.3% | $3.6m | 37,228 | -65% | reduced |
| 45 | CNM CORE & MAIN INC | Industrials | 0.3% | $3.6m | 74,801 | 941% | added |
| 46 | CELC CELCUITY INC | Healthcare | 0.3% | $3.6m | 34,488 | -55% | reduced |
| 47 | PEP PEPSICO INC | Consumer Defensive | 0.3% | $3.6m | 26,345 | – | new |
| 48 | SNDX SYNDAX PHARMACEUTICALS INC | Healthcare | 0.3% | $3.6m | 162,524 | 4% | added |
| 49 | NRG NRG ENERGY INC | Utilities | 0.3% | $3.5m | 24,183 | -48% | reduced |
| 50 | MBUU MALIBU BOATS INC | Consumer Cyclical | 0.3% | $3.5m | 127,366 | -45% | reduced |
What did Atom Investors LP sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| TECH BIO-TECHNE CORP | 3.8% | $16.7m |
| SMG SCOTTS MIRACLE-GRO CO | 2.4% | $10.5m |
| WEX WEX INC | 2.0% | $8.7m |
| HRB BLOCK H & R INC | 2.0% | $8.7m |
| ALK ALASKA AIR GROUP INC | 1.9% | $8.4m |
| WHD CACTUS INC | 1.8% | $7.8m |
| REZI RESIDEO TECHNOLOGIES INC | 1.8% | $7.7m |
| CDE COEUR MNG INC | 1.7% | $7.7m |
| STZ CONSTELLATION BRANDS INC | 1.7% | $7.3m |
| PFGC PERFORMANCE FOOD GROUP CO | 1.7% | $7.3m |
| CNP CENTERPOINT ENERGY INC | 1.6% | $7.1m |
| BURL BURLINGTON STORES INC | 1.6% | $6.9m |
| CSX CSX CORP | 1.4% | $6.3m |
| CNTA CENTESSA PHARMACEUTICALS PLC | 1.4% | $6.3m |
| JBS JBS N.V. | 1.4% | $6.2m |
| SPGI S&P GLOBAL INC | 1.4% | $6.1m |
| VSH VISHAY INTERTECHNOLOGY INC | 1.3% | $5.8m |
| PRA PROASSURANCE CORP | 1.3% | $5.7m |
| IWM ISHARES TR | 1.3% | $5.6m |
| GM GENERAL MTRS CO | 1.3% | $5.6m |
| 8TG THERMON GROUP HLDGS INC | 1.3% | $5.6m |
| ARW ARROW ELECTRS INC | 1.2% | $5.4m |
| VISN VISTANCE NETWORKS INC | 1.2% | $5.3m |
| BX BLACKSTONE INC | 1.2% | $5.3m |
| AKAM AKAMAI TECHNOLOGIES INC | 1.2% | $5.2m |
Sector mix
| Sector | Weight |
|---|---|
| Industrials | 16.2% |
| Technology | 16.0% |
| Healthcare | 15.0% |
| Financial Services | 11.1% |
| Consumer Cyclical | 11.1% |
| Consumer Defensive | 3.9% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Atom Investors LP's portfolio?
Across every quarter Atom Investors LP has filed, its median largest position is 3.5% of the book and its median top-ten weight is 10.5%, which WhaleCreep classifies as diversified (the gate is a median largest position of 5%). Of 240.0 completed holding spells, the median lasted 1.0 quarters; 818.0 positions are still open and their final length is unknown.