Atom Investors LP

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Atom Investors LP reported 488 stock positions worth $812.9 million. Its top holding was iShares Russell 2000 Value E (IWN) at 4.5% of the portfolio, followed by SS Financial Select Sector (XLF, 2.2%) and American Water Works (AWK, 1.7%). Compared with Q4 2024, it opened 188 new positions, sold out of 181, added to 132 and reduced 152. The biggest buy was SS Financial Select Sector (XLF, shares +442%) and the biggest sale iShares Russell 2000 ETF (IWM, shares −93%).

Most Recent 13F
Q2 2026
Location
AUSTIN, TX
CIK
0001738902
Portfolio Value
$812.9M (Q1 2025)
SEC Filing
0001214659-25-007681 ↗ filed May 15, 2025

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 $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 Q1 2026 Q2 2026: $1.1B Q2 2026

Holdings 488 stocks · $812.9M

IWN iShares Russell 2000 Value E 4.48% 241,021 $36.4M Add +74.7%
XLF SS Financial Select Sector 2.19% 357,869 $17.8M Add +442.1%
AWK American Water Works Co. Inc. 1.70% 93,665 $13.8M Add +30.1%
IEX Idex Corp. 1.58% 70,848 $12.8M Add +76.9%
BC Brunswick Corp. 1.49% 224,478 $12.1M Add +137.5%
GWW WW Grainger Inc. filed as GRAINGER W W INC 1.41% 11,577 $11.4M New
RF Regions Financial Corp. 1.38% 517,919 $11.3M Add +52.8%
USMV iShares MSCI USA Min Vol Fac 1.25% 108,214 $10.1M New
XLI SS Industrial Select Sector 1.16% 71,713 $9.4M Add +222.5%
RPM RPM International Inc. 1.15% 80,994 $9.4M Add +72.4%
XHB SS SPDR S&P Homebldrs ETF 1.05% 87,986 $8.5M Add +31.9%
MAS Masco Corp. 1.03% 120,656 $8.4M Add +115.2%
PNC PNC Financial Services Group 0.92% 42,648 $7.5M Add +12.2%
OSIS Osi Systems Inc. 0.92% 38,279 $7.4M New
FICO Fair Isaac Corp. 0.87% 3,844 $7.1M New
LITE Lumentum Holdings Inc. 0.86% 112,091 $7.0M Add +43.6%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.86% 70,607 $7.0M Add +23.9%
ROK Rockwell Automation Inc. 0.83% 26,111 $6.7M New
QQQ Invesco QQQ Trust Series 1 0.83% 14,325 $6.7M Add +30.1%
XLV SS Health Care Select Sector 0.82% 45,879 $6.7M Add +10.7%
HBAN Huntington Bancshares Inc. 0.79% 428,489 $6.4M Add +55.8%
FUN Six Flags Entertainment Corp. 0.77% 175,105 $6.2M Add +64.8%
MTB M & T Bank Corp. filed as M & T BK CORP 0.75% 33,945 $6.1M Reduce -9.5%
CRM Salesforce Inc. 0.74% 22,461 $6.0M Add +1397.4%
XLC SS Comm Select Sector SPDR 0.72% 60,424 $5.8M New
LINE Lineage Inc. 0.71% 98,444 $5.8M Add +479.0%
ELV Elevance Health Inc. 0.70% 13,097 $5.7M New
WTRG Essential Utilities Inc. 0.70% 143,731 $5.7M Add +945.6%
DGX Quest Diagnostics Inc. 0.69% 33,374 $5.6M New
DY Dycom Industries Inc. 0.67% 35,952 $5.5M New
SPY SS SPDR S&P 500 ETF Trust-US 0.67% 9,717 $5.4M Add +222.8%
LVS Las Vegas Sands Corp. 0.66% 137,948 $5.3M Add +41.3%
CNK Cinemark Holdings Inc. 0.64% 209,648 $5.2M Add +185.2%
ACHC Acadia Healthcare Co. Inc. 0.64% 171,852 $5.2M Add +74.9%
XLE SS Energy Select Sector 0.62% 54,278 $5.1M Add +72.8%
XBI SS SPDR S&P Biotech ETF 0.62% 62,484 $5.1M Reduce -15.8%
SPGI S&P Global Inc. 0.62% 9,954 $5.1M Reduce -21.3%
CVCO Cavco Industries Inc. 0.61% 9,556 $5.0M Reduce -23.6%
GEHC GE Healthcare Technology 0.61% 61,481 $5.0M Add +279.7%
APTV Aptiv PLC 0.61% 83,194 $5.0M Reduce -5.1%
MRUS Merus NV 0.59% 114,158 $4.8M Add +12.2%
TDY Teledyne Technologies Inc. 0.59% 9,639 $4.8M New
WYNN WYNN Resorts Ltd. 0.58% 56,904 $4.8M Add +104.5%
NKE Nike Inc. Class B 0.58% 74,179 $4.7M Add +69.7%
TRS Trimas Corp. 0.57% 196,814 $4.6M Add +10.3%
PAYX Paychex Inc. 0.57% 29,816 $4.6M New
CWST Casella Waste Systems Inc. Class A 0.56% 40,908 $4.6M New
TFC Truist Financial Corp. 0.56% 110,740 $4.6M Reduce -29.5%
URGN Urogen Pharma Ltd. 0.55% 400,560 $4.4M Add +174.9%
XRT SS SPDR S&P Retail ETF 0.54% 64,055 $4.4M Add +8.4%
STM Stmicroelectronics NV-NY SHS 0.54% 199,177 $4.4M New
SPYV SS SPDR P S&P 500 Value ETF 0.53% 84,534 $4.3M New
CSL Carlisle Cos Inc. 0.52% 12,526 $4.3M Add +22.6%
PHIN Phinia Inc. 0.51% 98,389 $4.2M Add +22.2%
SGI Somnigroup International Inc. 0.50% 67,546 $4.0M Reduce -15.2%
OMF Onemain Holdings Inc. 0.50% 82,335 $4.0M Add +26.1%
SSB Southstate Bank Corp. 0.49% 43,276 $4.0M Add +1360.5%
MBUU Malibu Boats Inc. Class A 0.49% 130,502 $4.0M Add +66.9%
RBC RBC Bearings Inc. 0.46% 11,585 $3.7M Reduce -0.4%
JNPR Juniper Networks Inc. 0.45% 101,481 $3.7M New
XLU St Sr Utl SL SE SPDR ETF-Usd 0.45% 46,276 $3.6M Add +147.2%
TTEK Tetra Tech Inc. 0.45% 124,700 $3.6M Add +129.7%
IGV iShares Expanded Tech-Softwa 0.45% 40,713 $3.6M Add +84.5%
MCO Moody's Corp. 0.43% 7,519 $3.5M Reduce -18.8%
NUVL Nuvalent Inc. Class A 0.43% 48,935 $3.5M Reduce -0.0%
LSCC Lattice Semiconductor Corp. 0.42% 65,713 $3.4M Add +26.0%
OIH Vaneck Oil Services ETF 0.42% 13,016 $3.4M Add +69.2%
MTZ Mastec Inc. 0.42% 29,188 $3.4M Add +6.8%
NVDA Nvidia Corp. 0.42% 31,190 $3.4M No change
HAE Haemonetics Corp. 0.41% 52,795 $3.4M Reduce -16.8%
GPGI Gpgi Inc. filed as COMPOSECURE INC 0.41% 306,914 $3.3M Add +23.7%
PSA Public Storage 0.41% 11,023 $3.3M Add +32.7%
IVE iShares S&P 500 Value ETF 0.40% 17,225 $3.3M New
CWH Camping World Holdings Inc. Class A 0.40% 202,324 $3.3M Reduce -0.6%
MSFT Microsoft Corp. 0.40% 8,561 $3.2M No change
PR Permian Resources Corp. Class A 0.38% 222,497 $3.1M Add +17.9%
APO Apollo Global Management Inc. 0.38% 22,299 $3.1M Add +78.5%
COF Capital One Financial Corp. 0.37% 16,820 $3.0M Reduce -63.4%
CFG Citizens Financial Group 0.37% 73,522 $3.0M Add +46.8%
DD Dupont DE Nemours Inc. 0.36% 39,659 $3.0M New
EMR Emerson Electric Co. 0.36% 26,892 $2.9M New
STE Steris PLC 0.36% 12,789 $2.9M Add +182.6%
IBB iShares Biotechnology ETF 0.35% 22,522 $2.9M Add +4.0%
YETI Yeti Holdings Inc. filed as YETI HLDGS INC 0.35% 85,318 $2.8M Add +277.9%
MSM MSC Industrial Direct Co. Class A 0.34% 36,043 $2.8M New
PG The Procter & Gamble Co. 0.34% 16,403 $2.8M Add +68.8%
TFSL TFS Financial Corp. 0.34% 224,153 $2.8M Add +35.2%
COOP Mr Cooper Group Inc. 0.34% 23,148 $2.8M Reduce -9.0%
AKR Acadia Realty Trust 0.34% 131,199 $2.7M Add +787.7%
WTTR Select Water Solutions Inc. 0.34% 260,941 $2.7M Add +98.1%
CCOI Cogent Communications Holdin 0.33% 43,869 $2.7M Add +655.6%
LW Lamb Weston Holdings Inc. 0.33% 49,919 $2.7M Add +181.4%
WLY Wiley (john) & Sons Class A 0.32% 59,091 $2.6M Reduce -2.0%
IWM iShares Russell 2000 ETF 0.32% 13,059 $2.6M Reduce -92.7%
PNW Pinnacle West Capital 0.32% 27,286 $2.6M Add +128.4%
FCX Freeport-McMoran Inc. 0.32% 68,053 $2.6M Add +1063.1%
AMT American Tower Corp. 0.32% 11,792 $2.6M Add +679.9%
ALL Allstate Corp. 0.32% 12,380 $2.6M Reduce -50.4%
PNTG The Pennant Group Inc. 0.31% 99,454 $2.5M Reduce -1.9%
VTOL Bristow Group Inc. 0.31% 78,588 $2.5M Reduce -14.1%

Show all 488 holdings

Portfolio Sells Q4 2024 → Q1 2025

IWM iShares Russell 2000 ETF Reduce -92.7% 0.32% −4.56
CVX Chevron Corp. Sold out 0.00% −0.81
FTV Fortive Corp. Sold out 0.00% −0.80
ADC Agree Realty Corp. Reduce -92.8% 0.07% −0.79
PH Parker Hannifin Corp. Reduce -91.0% 0.06% −0.67
WM Waste Management Inc. Reduce -79.2% 0.20% −0.66
COF Capital One Financial Corp. Reduce -63.4% 0.37% −0.65
SYY Sysco Corp. Sold out 0.00% −0.56
ITB iShares U.S. Home Constructi Sold out 0.00% −0.55
CLS Celestica Inc. Sold out 0.00% −0.54
TEL Te Connectivity PLC Sold out 0.00% −0.53
GPN Global Payments Inc. Sold out 0.00% −0.52
SAIA Saia Inc. Reduce -87.4% 0.05% −0.51
V Visa Inc. Class A Sold out 0.00% −0.50
BAC Bank of America Corp. Reduce -81.5% 0.10% −0.48
AXTA Axalta Coating Systems Ltd. Sold out 0.00% −0.48
DX Dynex Capital Inc. Sold out 0.00% −0.47
GEV GE Vernova Inc. Reduce -87.3% 0.06% −0.46
GFS Globalfoundries Inc. Reduce -81.5% 0.08% −0.44
XLY SS Consumer Disc Select Sect Sold out 0.00% −0.44
RH RH Sold out 0.00% −0.42
XYL Xylem Inc. Reduce -86.0% 0.07% −0.42
ELAN Elanco Animal Health Inc. Reduce -95.6% 0.02% −0.41
VIS Vanguard Industrials ETF Reduce -84.0% 0.07% −0.41
EA Electronic Arts Inc. Sold out 0.00% −0.40
CVSA Covista Inc. Reduce -92.2% 0.04% −0.40
PFGC Performance Food Group Co. Sold out 0.00% −0.38
MHK Mohawk Industries Inc. Reduce -83.3% 0.07% −0.37
DHR Danaher Corp. Sold out 0.00% −0.37
KNX Knight-Swift Transportation Sold out 0.00% −0.37
LIN Linde PLC Sold out 0.00% −0.37
BNY Bank of New York Mellon Corp. Reduce -86.1% 0.06% −0.36
DESP Despegar.com Corp. Reduce -87.5% 0.05% −0.36
REXR Rexford Industrial Realty Inc. Sold out 0.00% −0.35
WMS Advanced Drainage Systems Inc. Sold out 0.00% −0.32
CMS CMS Energy Corp. Reduce -93.4% 0.03% −0.32
RSP Invesco S&P 500 Equal Weight Sold out 0.00% −0.31
ACM Aecom Sold out 0.00% −0.31
SMH Vaneck Semiconductor ETF Reduce -67.6% 0.12% −0.31
SKY Champion Homes Inc. Reduce -56.4% 0.26% −0.30
BUD Anheuser-Busch Inbev-SPN ADR Sold out 0.00% −0.30
TFC Truist Financial Corp. Reduce -29.5% 0.56% −0.29
ALL Allstate Corp. Reduce -50.4% 0.32% −0.28
FLNC Fluence Energy Inc. Sold out 0.00% −0.28
BXSL Blackstone Secured Lending F Sold out 0.00% −0.28
CHRD Chord Energy Corp. Sold out 0.00% −0.27
MDT Medtronic PLC Reduce -79.0% 0.08% −0.27
ABT Abbott Laboratories Reduce -59.4% 0.24% −0.27
EYE National Vision Holdings Inc. Sold out 0.00% −0.27
FROG Jfrog Ltd. Sold out 0.00% −0.26

Portfolio Buys Q4 2024 → Q1 2025

XLF SS Financial Select Sector Add +442.1% 2.19% +1.80
IWN iShares Russell 2000 Value E Add +74.7% 4.48% +1.66
GWW WW Grainger Inc. New 1.41% +1.41
USMV iShares MSCI USA Min Vol Fac New 1.25% +1.25
OSIS Osi Systems Inc. New 0.92% +0.92
FICO Fair Isaac Corp. New 0.87% +0.87
ROK Rockwell Automation Inc. New 0.83% +0.83
XLI SS Industrial Select Sector Add +222.5% 1.16% +0.79
BC Brunswick Corp. Add +137.5% 1.49% +0.73
XLC SS Comm Select Sector SPDR New 0.72% +0.72
ELV Elevance Health Inc. New 0.70% +0.70
DGX Quest Diagnostics Inc. New 0.69% +0.69
CRM Salesforce Inc. Add +1397.4% 0.74% +0.68
DY Dycom Industries Inc. New 0.67% +0.67
WTRG Essential Utilities Inc. Add +945.6% 0.70% +0.64
TDY Teledyne Technologies Inc. New 0.59% +0.59
AWK American Water Works Co. Inc. Add +30.1% 1.70% +0.59
LINE Lineage Inc. Add +479.0% 0.71% +0.59
PAYX Paychex Inc. New 0.57% +0.57
CWST Casella Waste Systems Inc. Class A New 0.56% +0.56
STM Stmicroelectronics NV-NY SHS New 0.54% +0.54
IEX Idex Corp. Add +76.9% 1.58% +0.54
SPYV SS SPDR P S&P 500 Value ETF New 0.53% +0.53
MAS Masco Corp. Add +115.2% 1.03% +0.53
SSB Southstate Bank Corp. Add +1360.5% 0.49% +0.46
GEHC GE Healthcare Technology Add +279.7% 0.61% +0.45
JNPR Juniper Networks Inc. New 0.45% +0.45
SPY SS SPDR S&P 500 ETF Trust-US Add +222.8% 0.67% +0.45
RPM RPM International Inc. Add +72.4% 1.15% +0.43
IVE iShares S&P 500 Value ETF New 0.40% +0.40
RF Regions Financial Corp. Add +52.8% 1.38% +0.39
DD Dupont DE Nemours Inc. New 0.36% +0.36
EMR Emerson Electric Co. New 0.36% +0.36
CNK Cinemark Holdings Inc. Add +185.2% 0.64% +0.36
URGN Urogen Pharma Ltd. Add +174.9% 0.55% +0.35
MSM MSC Industrial Direct Co. Class A New 0.34% +0.34
CNP Centerpoint Energy Inc. New 0.29% +0.29
AKR Acadia Realty Trust Add +787.7% 0.34% +0.29
XLE SS Energy Select Sector Add +72.8% 0.62% +0.29
FCX Freeport-McMoran Inc. Add +1063.1% 0.32% +0.29
WYNN WYNN Resorts Ltd. Add +104.5% 0.58% +0.29
FN Fabrinet New 0.28% +0.28
AMT American Tower Corp. Add +679.9% 0.32% +0.28
CCOI Cogent Communications Holdin Add +655.6% 0.33% +0.28
XLU St Sr Utl SL SE SPDR ETF-Usd Add +147.2% 0.45% +0.27
CACI Caci International Inc. Class A New 0.25% +0.25
TYL Tyler Technologies Inc. New 0.25% +0.25
SMG Scotts Miracle-Gro Co. New 0.25% +0.25
VRNA Verona Pharma Ltd. New 0.24% +0.24
HUN Huntsman Corp. New 0.24% +0.24

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