Atom Investors LP

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Atom Investors LP reported 641 stock positions worth $1.4 billion. Its top holding was Vanguard S&P 500 ETF (VOO) at 2.9% of the portfolio, followed by Bio-Techne (TECH, 1.2%) and Equinix (EQIX, 0.8%). Compared with Q4 2025, it opened 331 new positions, sold out of 246, added to 164 and reduced 139. The biggest buy was a new position in Equinix (EQIX) and the biggest sale an exit from Salesforce (CRM).

Most Recent 13F
Q2 2026
Location
AUSTIN, TX
CIK
0001738902
Portfolio Value
$1.4B (Q1 2026)
SEC Filing
0001214659-26-006309 ↗ filed May 15, 2026

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $795.8M Q1 2024 Q2 2024: $1.0B Q2 2024 Q3 2024: $955.2M Q3 2024 Q4 2024: $805.0M Q4 2024 Q1 2025: $812.9M Q1 2025 Q2 2025: $1.1B Q2 2025 Q3 2025: $1.3B Q3 2025 Q4 2025: $1.3B Q4 2025 Q1 2026: $1.4B $1.4B Q1 2026 Q2 2026: $1.1B Q2 2026

Holdings 641 stocks · $1.4B

VOO Vanguard S&P 500 ETF 2.87% 67,041 $40.1M No change
TECH Bio-Techne Corp. 1.19% 319,316 $16.7M Reduce -9.2%
EQIX Equinix Inc. 0.84% 11,954 $11.7M New
AVGO Broadcom Inc. 0.82% 37,170 $11.5M Add +417.9%
SMG Scotts Miracle-Gro Co. 0.75% 173,347 $10.5M Add +52.1%
AMZN Amazon.com Inc. 0.73% 49,094 $10.2M Add +225.0%
NVDA Nvidia Corp. 0.72% 57,355 $10.0M Add +82.5%
LKQ LKQ Corp. 0.70% 335,096 $9.8M Add +66.8%
CSL Carlisle Cos Inc. 0.66% 27,688 $9.2M Add +35.2%
DNTH Dianthus Therapeutics Inc. 0.65% 107,753 $9.0M Reduce -40.8%
AEE Ameren Corporation 0.64% 80,850 $8.9M Add +226.1%
RS Reliance Inc. 0.64% 29,194 $8.9M New
WEX Wex Inc. 0.62% 56,949 $8.7M New
CELC Celcuity Inc. 0.62% 76,321 $8.7M Reduce -10.8%
HRB H&R Block Inc. filed as BLOCK H & R INC 0.62% 273,466 $8.7M Add +59.4%
LNT Alliant Energy Corp. 0.61% 118,393 $8.5M Add +39.3%
ALK Alaska Air Group Inc. 0.60% 229,238 $8.4M Add +393.6%
BLDR Builders Firstsource Inc. 0.60% 102,063 $8.4M Add +99.5%
WHD Cactus Inc. Class A 0.56% 163,868 $7.8M Add +53.3%
REZI Resideo Technologies Inc. 0.55% 229,613 $7.7M Add +69.4%
CDE Coeur Mining Inc. 0.55% 408,502 $7.7M New
BMY Bristol-Myers Squibb Co. 0.54% 124,525 $7.6M New
HBAN Huntington Bancshares Inc. 0.54% 478,485 $7.5M New
PCG P G & E Corp. 0.53% 419,914 $7.4M Add +43.9%
CVX Chevron Corp. 0.53% 35,518 $7.3M New
STZ Constellation Brands Inc. Class A 0.52% 48,750 $7.3M Add +35.3%
PFGC Performance Food Group Co. 0.52% 85,229 $7.3M Add +37.8%
RVTY Revvity Inc. 0.52% 83,292 $7.3M New
KOD Kodiak Sciences Inc. 0.52% 190,773 $7.3M Reduce -8.1%
WTTR Select Water Solutions Inc. 0.51% 464,300 $7.1M Add +106.2%
CNP Centerpoint Energy Inc. 0.51% 164,040 $7.1M New
BURL Burlington Stores Inc. 0.50% 21,359 $6.9M Add +1977.7%
FND Floor & Decor Holdings Inc. Class A 0.50% 136,430 $6.9M Add +53.4%
NRG NRG Energy Inc. 0.49% 46,915 $6.9M New
PRAX Praxis Precision Medicines I 0.49% 21,196 $6.8M Add +28.6%
PPL PPL Corp. 0.48% 177,082 $6.8M Add +90.6%
LMT Lockheed Martin Corp. 0.48% 11,106 $6.7M New
IMNM Immunome Inc. 0.48% 306,880 $6.7M Add +74.6%
UTHR United Therapeutics Corp. 0.48% 11,261 $6.7M New
PTEN Patterson-Uti Energy Inc. 0.48% 614,212 $6.7M New
AMAT Applied Materials Inc. 0.47% 19,252 $6.6M Add +177.5%
BCO The Brink's Co. 0.46% 62,498 $6.5M Add +57.0%
WWW Wolverine World Wide Inc. 0.46% 392,739 $6.4M Add +293.4%
NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD 0.46% 444,183 $6.4M Add +72.8%
APO Apollo Global Management Inc. 0.46% 57,193 $6.4M Reduce -43.9%
WFC Wells Fargo & Co. 0.45% 79,579 $6.3M Add +907.2%
CSX CSX Corp. 0.45% 154,032 $6.3M Reduce -40.3%
CNTA Centessa Pharmaceuticals Ltd. 0.45% 158,509 $6.3M Add +764.0%
JBS JBS NV-A 0.44% 344,630 $6.2M Add +73.7%
PATK Patrick Industries Inc. 0.44% 54,933 $6.1M Reduce -18.1%
SPGI S&P Global Inc. 0.44% 14,342 $6.1M Add +617.1%
WMB Williams Cos Inc. 0.44% 83,733 $6.1M Add +101.2%
MBUU Malibu Boats Inc. Class A 0.43% 231,849 $6.0M Add +24.6%
BC Brunswick Corp. 0.43% 81,955 $6.0M Reduce -30.4%
SM SM Energy Co. 0.42% 189,130 $5.9M New
HUBS HubSpot Inc. 0.42% 24,085 $5.9M Add +372.1%
VSH Vishay Intertechnology Inc. 0.42% 323,090 $5.8M New
TALO Talos Energy Inc. 0.41% 366,188 $5.8M Add +0.6%
PRA Proassurance Corp. 0.41% 230,051 $5.7M New
GXO Gxo Logistics Inc. 0.41% 109,181 $5.7M Add +771.1%
ESI Element Solutions Inc. 0.40% 165,308 $5.6M Reduce -15.8%
IWM iShares Russell 2000 ETF 0.40% 22,645 $5.6M New
MDLZ Mondelez International Inc. Class A 0.40% 97,145 $5.6M Add +741.7%
GM General Motors Co. 0.40% 75,155 $5.6M Add +2278.3%
THR Thermon Group Holdings Inc. 0.40% 111,077 $5.6M Reduce -17.6%
ERAS Erasca Inc. 0.40% 345,587 $5.6M New
FLUT Flutter Entertainment PLC-Di 0.40% 54,545 $5.6M Add +91.4%
ARW Arrow Electronics Inc. 0.39% 37,627 $5.4M New
MTH Meritage Homes Corp. 0.38% 86,496 $5.3M Reduce -9.0%
VISN Vistance Networks Inc. 0.38% 293,321 $5.3M New
NSIT Insight Enterprises Inc. 0.38% 78,849 $5.3M New
BX Blackstone Inc. 0.38% 45,877 $5.3M New
PH Parker Hannifin Corp. 0.38% 5,887 $5.3M Add +297.5%
AKAM Akamai Technologies Inc. 0.37% 45,496 $5.2M New
HON Honeywell International Inc. 0.37% 23,025 $5.2M Add +573.8%
FN Fabrinet 0.37% 9,976 $5.2M New
AMCR Amcor PLC 0.36% 126,803 $5.0M New
FOX Fox Corp. Class B 0.36% 93,390 $5.0M New
RYTM Rhythm Pharmaceuticals Inc. 0.35% 57,000 $5.0M Add +148.6%
ETR Entergy Corp. 0.35% 44,085 $5.0M Reduce -11.5%
KALV Kalvista Pharmaceuticals Inc. 0.35% 245,993 $5.0M Reduce -10.9%
PFE Pfizer Inc. 0.35% 176,255 $4.9M Add +5.4%
RPM RPM International Inc. 0.35% 49,677 $4.9M New
AEIS Advanced Energy Industries 0.35% 15,192 $4.9M Reduce -63.3%
KMB Kimberly-Clark Corp. 0.35% 50,699 $4.9M Add +67.5%
NXT Nextpower Inc. 0.34% 39,501 $4.8M New
SKY Champion Homes Inc. 0.34% 63,682 $4.7M Add +60.0%
AIT Applied Industrial Tech Inc. 0.34% 17,762 $4.7M New
RHLD Resolute Holdings Manag 0.34% 28,981 $4.7M Reduce -38.7%
BCC Boise Cascade Co. 0.33% 60,992 $4.6M Add +1418.7%
FRT Federal Realty Invs Trust 0.33% 42,930 $4.6M New
BIIB Biogen Inc. 0.32% 24,749 $4.5M Add +13.9%
CI The Cigna Group 0.32% 17,008 $4.5M Add +10.1%
GOOG Alphabet Inc. Class C 0.31% 15,319 $4.4M Add +0.9%
NTST Netstreit Corp. 0.31% 231,443 $4.4M Add +125.6%
OWL Blue Owl Capital Inc. 0.31% 475,061 $4.3M Add +6.2%
KMI Kinder Morgan Inc. 0.30% 126,875 $4.3M New
CWST Casella Waste Systems Inc. Class A 0.30% 52,359 $4.2M Reduce -57.3%
DPZ Domino's Pizza Inc. 0.30% 11,566 $4.1M Add +21.4%
MSFT Microsoft Corp. 0.30% 11,167 $4.1M Add +14.6%

Show all 641 holdings

Portfolio Sells Q4 2025 → Q1 2026

CRM Salesforce Inc. Sold out 0.00% −1.11
SITE Siteone Landscape Supply Inc. Reduce -84.0% 0.19% −1.05
XLU St Sr Utl SL SE SPDR ETF-Usd Sold out 0.00% −0.90
XLP SS Consumer Staples Sel Sect Sold out 0.00% −0.89
USMV iShares MSCI USA Min Vol Fac Sold out 0.00% −0.89
XLV SS Health Care Select Sector Sold out 0.00% −0.88
ATRO Astronics Corp. Sold out 0.00% −0.81
FFIV F5 Inc. Sold out 0.00% −0.81
XLRE SS Real Estate Select Sector Sold out 0.00% −0.81
SHW The Sherwin-Williams Co. Sold out 0.00% −0.78
APO Apollo Global Management Inc. Reduce -43.9% 0.46% −0.71
GLNG Golar LNG Ltd. Reduce -89.0% 0.12% −0.71
LBRT Liberty Energy Inc. Reduce -95.5% 0.05% −0.71
CWST Casella Waste Systems Inc. Class A Reduce -57.3% 0.30% −0.66
DVA Davita Inc. Sold out 0.00% −0.65
EHC Encompass Health Corp. Sold out 0.00% −0.64
MCK McKesson Corp. Reduce -92.6% 0.05% −0.64
COHU Cohu Inc. Reduce -82.6% 0.15% −0.59
PHIN Phinia Inc. Reduce -78.3% 0.16% −0.58
CLH Clean Harbors Inc. Sold out 0.00% −0.58
NCLH Norwegian Cruise Line Holdin Reduce -92.0% 0.03% −0.54
GPGI Gpgi Inc. Sold out 0.00% −0.51
COR Cencora Inc. Reduce -82.1% 0.09% −0.50
SAIA Saia Inc. Sold out 0.00% −0.49
DORM Dorman Products Inc. Sold out 0.00% −0.49
AAP Advance Auto Parts Inc. Sold out 0.00% −0.47
DAN Dana Inc. Reduce -78.3% 0.18% −0.47
GLOB Globant SA Reduce -51.0% 0.21% −0.46
ENSG The Ensign Group Inc. Sold out 0.00% −0.46
WM Waste Management Inc. Reduce -80.5% 0.10% −0.46
TECH Bio-Techne Corp. Reduce -9.2% 1.19% −0.45
RHLD Resolute Holdings Manag Reduce -38.7% 0.34% −0.44
HURN Huron Consulting Group Inc. Reduce -51.8% 0.20% −0.43
BLBD Blue Bird Corp. Reduce -91.5% 0.04% −0.42
EFOR Everforth Inc. Sold out 0.00% −0.40
ENTG Entegris Inc. Sold out 0.00% −0.39
DBRG Digitalbridge Group Inc. Sold out 0.00% −0.39
DIS The Walt Disney Co. Sold out 0.00% −0.38
AA Alcoa Corp. Reduce -62.6% 0.28% −0.38
GTLS Chart Industries Inc. Sold out 0.00% −0.38
MU Micron Technology Inc. Sold out 0.00% −0.37
DHR Danaher Corp. Sold out 0.00% −0.36
STE Steris PLC Reduce -62.2% 0.15% −0.36
JHX James Hardie Ind PLC Reduce -91.7% 0.03% −0.36
LOPE Grand Canyon Education Inc. Sold out 0.00% −0.35
AAPL Apple Inc. Sold out 0.00% −0.34
AEIS Advanced Energy Industries Reduce -63.3% 0.35% −0.34
DGX Quest Diagnostics Inc. Sold out 0.00% −0.33
BLD Topbuild Corp. Sold out 0.00% −0.33
GUTS Fractyl Health Inc. Sold out 0.00% −0.33

Portfolio Buys Q4 2025 → Q1 2026

EQIX Equinix Inc. New 0.84% +0.84
RS Reliance Inc. New 0.64% +0.64
AVGO Broadcom Inc. Add +417.9% 0.82% +0.63
WEX Wex Inc. New 0.62% +0.62
CDE Coeur Mining Inc. New 0.55% +0.55
BMY Bristol-Myers Squibb Co. New 0.54% +0.54
HBAN Huntington Bancshares Inc. New 0.54% +0.54
CVX Chevron Corp. New 0.53% +0.53
RVTY Revvity Inc. New 0.52% +0.52
CNP Centerpoint Energy Inc. New 0.51% +0.51
NRG NRG Energy Inc. New 0.49% +0.49
LMT Lockheed Martin Corp. New 0.48% +0.48
UTHR United Therapeutics Corp. New 0.48% +0.48
PTEN Patterson-Uti Energy Inc. New 0.48% +0.48
BURL Burlington Stores Inc. Add +1977.7% 0.50% +0.47
AMZN Amazon.com Inc. Add +225.0% 0.73% +0.46
AEE Ameren Corporation Add +226.1% 0.64% +0.44
SM SM Energy Co. New 0.42% +0.42
ALK Alaska Air Group Inc. Add +393.6% 0.60% +0.42
VSH Vishay Intertechnology Inc. New 0.42% +0.42
CNTA Centessa Pharmaceuticals Ltd. Add +764.0% 0.45% +0.41
PRA Proassurance Corp. New 0.41% +0.41
IWM iShares Russell 2000 ETF New 0.40% +0.40
ERAS Erasca Inc. New 0.40% +0.40
WFC Wells Fargo & Co. Add +907.2% 0.45% +0.40
ARW Arrow Electronics Inc. New 0.39% +0.39
VISN Vistance Networks Inc. New 0.38% +0.38
GM General Motors Co. Add +2278.3% 0.40% +0.38
NSIT Insight Enterprises Inc. New 0.38% +0.38
BX Blackstone Inc. New 0.38% +0.38
AKAM Akamai Technologies Inc. New 0.37% +0.37
FN Fabrinet New 0.37% +0.37
AMCR Amcor PLC New 0.36% +0.36
FOX Fox Corp. Class B New 0.36% +0.36
SPGI S&P Global Inc. Add +617.1% 0.44% +0.35
RPM RPM International Inc. New 0.35% +0.35
GXO Gxo Logistics Inc. Add +771.1% 0.41% +0.35
MDLZ Mondelez International Inc. Class A Add +741.7% 0.40% +0.35
NXT Nextpower Inc. New 0.34% +0.34
AIT Applied Industrial Tech Inc. New 0.34% +0.34
AMAT Applied Materials Inc. Add +177.5% 0.47% +0.33
FRT Federal Realty Invs Trust New 0.33% +0.33
WTTR Select Water Solutions Inc. Add +106.2% 0.51% +0.32
HON Honeywell International Inc. Add +573.8% 0.37% +0.32
WWW Wolverine World Wide Inc. Add +293.4% 0.46% +0.32
BCC Boise Cascade Co. Add +1418.7% 0.33% +0.31
KMI Kinder Morgan Inc. New 0.30% +0.30
UCTT Ultra Clean Holdings Inc. New 0.30% +0.30
SARO Standardaero Inc. New 0.30% +0.30
META Meta Platforms Inc. Class A New 0.29% +0.29

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 818$1.1BVOO, VTRS, INTC, HPE, RYTM
Q1 2026 641$1.4BVOO, TECH, EQIX, AVGO, SMG
Q4 2025 556$1.3BVOO, TECH, SITE, APO, CRM
Q3 2025 584$1.3BIWM, SPY, IWN, XRT, XLF
Q2 2025 587$1.1BIWM, IWN, XLF, XHB, XRT
Q1 2025 488$812.9MIWN, XLF, AWK, IEX, BC
Q4 2024 481$805.0MIWM, IWN, AWK, IEX, COF
Q3 2024 456$955.2MIWN, MSFT, AXTA, UNH, V
Q2 2024 457$1.0BIWN, BAC, TSM, AMT, V
Q1 2024 563$795.8MIWM, SPY, HON, TSM, XBI