Atom Investors LP — 13F Holdings & Portfolio
CIK 1738902 · latest 13F-HR filed 2026-05-15
Atom Investors LP manages $1.40B in 13F-reported U.S. long-equity assets across 641 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are VOO (2.87%), TECH (1.19%), EQIX (0.84%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 331 new positions, exited 246, added to 149, and trimmed 145.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$1.40B
Long-equity book
641
Distinct positions
2026-03-31
Filed 2026-05-15
+331 / −246 / ↑149 / ↓145
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- BROADCOM INC$9.0M +363.2%
- AMAZON COM INC$6.7M +193.3%
- BURLINGTON STORES INC$6.7M +2240.5%
- AMEREN CORP$6.4M +258.9%
- ALASKA AIR GROUP INC$6.1M +260.9%
Top Trims
- SITEONE LANDSCAPE SUPPLY INC-$13.0M -82.9%
- LIBERTY ENERGY INC-$8.8M -93.1%
- GOLAR LNG LTD-$8.8M -83.9%
- APOLLO GLOBAL MGMT INC-$8.4M -56.8%
- MCKESSON CORP-$7.9M -92.2%
New Positions
- EQUINIX INC$11.7M
- RELIANCE INC$8.9M
- WEX INC$8.7M
- COEUR MNG INC$7.7M
- BRISTOL-MYERS SQUIBB CO$7.6M
Exited Positions
- SALESFORCE INC$14.0M
- SELECT SECTOR SPDR TR$11.4M
- SELECT SECTOR SPDR TR$11.2M
- ISHARES TR$11.2M
- SELECT SECTOR SPDR TR$11.1M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | VANGUARD INDEX FDS | VOO | 922908363 | $40.1M | 2.87% | 67,041 | SH |
| 2 | BIO-TECHNE CORP | TECH | 09073M104 | $16.7M | 1.19% | 319,316 | SH |
| 3 | EQUINIX INC | EQIX | 29444U700 | $11.7M | 0.84% | 11,954 | SH |
| 4 | BROADCOM INC | AVGO | 11135F101 | $11.5M | 0.82% | 37,170 | SH |
| 5 | SCOTTS MIRACLE-GRO CO | SMG | 810186106 | $10.5M | 0.75% | 173,347 | SH |
| 6 | AMAZON COM INC | AMZN | 023135106 | $10.2M | 0.73% | 49,094 | SH |
| 7 | NVIDIA CORPORATION | NVDA | 67066G104 | $10.0M | 0.72% | 57,355 | SH |
| 8 | LKQ CORP | LKQ | 501889208 | $9.8M | 0.70% | 335,096 | SH |
| 9 | CARLISLE COS INC | CSL | 142339100 | $9.2M | 0.66% | 27,688 | SH |
| 10 | DIANTHUS THERAPEUTICS INC | DNTH | 252828108 | $9.0M | 0.65% | 107,753 | SH |
| 11 | AMEREN CORP | AEE | 023608102 | $8.9M | 0.64% | 80,850 | SH |
| 12 | RELIANCE INC | RS | 759509102 | $8.9M | 0.64% | 29,194 | SH |
| 13 | WEX INC | WEX | 96208T104 | $8.7M | 0.62% | 56,949 | SH |
| 14 | CELCUITY INC | CELC | 15102K100 | $8.7M | 0.62% | 76,321 | SH |
| 15 | BLOCK H & R INC | HRB | 093671105 | $8.7M | 0.62% | 273,466 | SH |
| 16 | ALLIANT ENERGY CORP | LNT | 018802108 | $8.5M | 0.61% | 118,393 | SH |
| 17 | ALASKA AIR GROUP INC | ALK | 011659109 | $8.4M | 0.60% | 229,238 | SH |
| 18 | BUILDERS FIRSTSOURCE INC | BLDR | 12008R107 | $8.4M | 0.60% | 102,063 | SH |
| 19 | CACTUS INC | WHD | 127203107 | $7.8M | 0.56% | 163,868 | SH |
| 20 | RESIDEO TECHNOLOGIES INC | REZI | 76118Y104 | $7.7M | 0.55% | 229,613 | SH |
| 21 | COEUR MNG INC | CDE | 192108504 | $7.7M | 0.55% | 408,502 | SH |
| 22 | BRISTOL-MYERS SQUIBB CO | BMY | 110122108 | $7.6M | 0.54% | 124,525 | SH |
| 23 | HUNTINGTON BANCSHARES INC | HBAN | 446150104 | $7.5M | 0.54% | 478,485 | SH |
| 24 | PG&E CORP | PCG | 69331C108 | $7.4M | 0.53% | 419,914 | SH |
| 25 | CHEVRON CORPORATION | CVX | 166764100 | $7.3M | 0.53% | 35,518 | SH |
| 26 | CONSTELLATION BRANDS INC | STZ | 21036P108 | $7.3M | 0.52% | 48,750 | SH |
| 27 | PERFORMANCE FOOD GROUP CO | PFGC | 71377A103 | $7.3M | 0.52% | 85,229 | SH |
| 28 | REVVITY INC | RVTY | 714046109 | $7.3M | 0.52% | 83,292 | SH |
| 29 | KODIAK SCIENCES INC | KOD | 50015M109 | $7.3M | 0.52% | 190,773 | SH |
| 30 | SELECT WATER SOLUTIONS INC | WTTR | 81617J301 | $7.1M | 0.51% | 464,300 | SH |
| 31 | CENTERPOINT ENERGY INC | CNP | 15189T107 | $7.1M | 0.51% | 164,040 | SH |
| 32 | BURLINGTON STORES INC | BURL | 122017106 | $6.9M | 0.50% | 21,359 | SH |
| 33 | FLOOR & DECOR HLDGS INC | FND | 339750101 | $6.9M | 0.50% | 136,430 | SH |
| 34 | NRG ENERGY INC | NRG | 629377508 | $6.9M | 0.49% | 46,915 | SH |
| 35 | PRAXIS PRECISION MEDICINES I | PRAX | 74006W207 | $6.8M | 0.49% | 21,196 | SH |
| 36 | PPL CORP | PPL | 69351T106 | $6.8M | 0.48% | 177,082 | SH |
| 37 | LOCKHEED MARTIN CORP | LMT | 539830109 | $6.7M | 0.48% | 11,106 | SH |
| 38 | IMMUNOME INC | IMNM | 45257U108 | $6.7M | 0.48% | 306,880 | SH |
| 39 | UNITED THERAPEUTICS CORP DEL | UTHR | 91307C102 | $6.7M | 0.48% | 11,261 | SH |
| 40 | PATTERSON-UTI ENERGY INC | PTEN | 703481101 | $6.7M | 0.48% | 614,212 | SH |
| 41 | APPLIED MATLS INC | AMAT | 038222105 | $6.6M | 0.47% | 19,252 | SH |
| 42 | BRINKS CO | BCO | 109696104 | $6.5M | 0.46% | 62,498 | SH |
| 43 | WOLVERINE WORLD WIDE INC | WWW | 978097103 | $6.4M | 0.46% | 392,739 | SH |
| 44 | NU HLDGS LTD | NU | G6683N103 | $6.4M | 0.46% | 444,183 | SH |
| 45 | APOLLO GLOBAL MGMT INC | APO | 03769M106 | $6.4M | 0.46% | 57,193 | SH |
| 46 | WELLS FARGO & CO | WFC | 949746101 | $6.3M | 0.45% | 79,579 | SH |
| 47 | CSX CORP | CSX | 126408103 | $6.3M | 0.45% | 154,032 | SH |
| 48 | CENTESSA PHARMACEUTICALS PLC | CNTA | 152309100 | $6.3M | 0.45% | 158,509 | SH |
| 49 | JBS N.V. | JBS | N4732M103 | $6.2M | 0.44% | 344,630 | SH |
| 50 | PATRICK INDS INC | PATK | 703343103 | $6.1M | 0.44% | 54,933 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $1.40B | 641 | 0001214659-26-006309 |
| 2025-12-31 | 2026-02-17 | $1.26B | 556 | 0001214659-26-001839 |
| 2025-09-30 | 2025-11-14 | $1.32B | 584 | 0001214659-25-016495 |