Atom Investors LP 13F Portfolio

CIK 1738902 Filing since Q4 2018 Q2 2026 filed Aug 13, 2026
Holdings as of Jun 30, 2026, from the 13F filed Aug 13, 2026.

Portfolio Snapshot

796 positions · Q2 2026

Atom Investors LP reported 796 positions worth $1.05B for the quarter ended Jun 30, 2026, down 19.9% on the prior quarter. It opened 402 new positions, added to 144, trimmed 247 and exited 227. Its largest holding is Viatris Inc at 1.1% of the portfolio.

Portfolio Value
$1.05B
-19.9% QoQ · +31.0% YoY
Positions
796
402 new · 227 sold out
Top 10 Concentration
7.9%
of portfolio value
Largest Position
VTRS 1.1%
Viatris Inc
Net Buying
-$360.15M
$573.91M bought · $934.06M sold
Turnover
48.7%
of the portfolio traded
Top Sector
Technology
20.2% of value
Track Record
31
quarters on file since Q4 2018

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

12 sectors
20.22%
Technology
Technology20.22%
Industrials20.06%
Healthcare16.46%
Financial Services14.51%
Consumer Discretionary10.18%
Basic Materials3.95%
Energy3.75%
Consumer Staples3.61%
Utilities3.29%
Real Estate2.91%
Communication Services1.03%
Other0.034%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

TechnologyIndustrialsHealthcareFinancial ServicesConsumer DiscretionaryBasic MaterialsEnergyConsumer StaplesUtilitiesReal EstateCommunication ServicesOther

Largest Buys

Q2 2026
Holding Change Change % Trade Value Weight
HPE Hewlett Packard Enterprise Co +215.3K – $9.71M 0.927%
VTRS Viatris Inc +598.9K +560.9% $9.51M 1.07%
INTC Intel Corp +55.0K +262.3% $7.68M 1.01%
VSEC Vse Corp +28.4K – $6.49M 0.619%
AAPL Apple Inc. +21.8K – $6.31M 0.603%
JBTM JBT MAREL Corp +42.5K – $6.16M 0.588%
HD Home Depot, Inc. +16.7K – $5.88M 0.562%
ESAB ESAB Corp +58.1K +238.4% $5.73M 0.776%
GGG Graco Inc +75.0K – $5.67M 0.541%
ZETA Zeta Global Holdings Corp. +264.1K – $5.20M 0.496%

Largest Sells

Q2 2026
Holding Change Change % Trade Value Weight
TECH BIO-TECHNE Corp -319.3K -100.0% $16.69M Exited
SMG Scotts Miracle-Gro Co -173.3K -100.0% $10.54M Exited
CSL Carlisle Companies Inc -26.1K -94.2% $9.47M 0.055%
NSIT Insight Enterprises Inc -72.5K -92.0% $8.83M 0.074%
WEX WEX Inc. -56.9K -100.0% $8.72M Exited
HRB H&R Block Inc -273.5K -100.0% $8.68M Exited
BLDR Builders FirstSource, Inc. -95.4K -93.5% $8.54M 0.057%
ALK Alaska Air Group, Inc. -229.2K -100.0% $8.43M Exited
ATEX Anterix Inc. -80.1K -95.1% $8.24M 0.041%
LKQ Lkq Corp -306.0K -91.3% $8.06M 0.073%

New Positions

Q2 2026
Holding Shares Trade Value Weight
HPE Hewlett Packard Enterprise Co +215.3K $9.71M 0.927%
VSEC Vse Corp +28.4K $6.49M 0.619%
AAPL Apple Inc. +21.8K $6.31M 0.603%
JBTM JBT MAREL Corp +42.5K $6.16M 0.588%
HD Home Depot, Inc. +16.7K $5.88M 0.562%
GGG Graco Inc +75.0K $5.67M 0.541%
ZETA Zeta Global Holdings Corp. +264.1K $5.20M 0.496%
SLGN Silgan Holdings Inc +107.3K $4.98M 0.475%
FERG Ferguson Enterprises Inc. +21.0K $4.98M 0.475%
MU Micron Technology Inc +4,068 $4.70M 0.448%

Closed Positions

Q2 2026
Holding Shares Sold Trade Value Prior Weight
TECH BIO-TECHNE Corp -319.3K $16.69M 1.28%
SMG Scotts Miracle-Gro Co -173.3K $10.54M 0.806%
WEX WEX Inc. -56.9K $8.72M 0.666%
HRB H&R Block Inc -273.5K $8.68M 0.664%
ALK Alaska Air Group, Inc. -229.2K $8.43M 0.645%
WHD Cactus, Inc. -163.9K $7.76M 0.594%
REZI Resideo Technologies, Inc. -229.6K $7.74M 0.592%
CDE Coeur Mining, Inc. -408.5K $7.67M 0.586%
STZ Constellation Brands, Inc. -48.8K $7.31M 0.559%
PFGC Performance Food Group Co -85.2K $7.30M 0.558%
Holdings · Q2 2026

796 Positions

As ofJun 30, 2026
Value$1.05B
Top 107.9%
Avg position$1.32M
# Activity
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Showing 1–15 of 796 positions 13F filings on SEC EDGAR

Tip. Select a row to see that position’s full history at Atom Investors.

About Atom Investors LP’s 13F Portfolio

What are Atom Investors LP’s largest holdings?

As of its Q2 2026 13F filing, Atom Investors LP’s five largest positions were Viatris Inc (VTRS) at 1.1%, Intel Corp (INTC) at 1.0%, Hewlett Packard Enterprise Co (HPE) at 0.9%, Rhythm Pharmaceuticals, Inc. (RYTM) at 0.8%, ESAB Corp (ESAB) at 0.8% of the reported portfolio.

How much is Atom Investors LP’s portfolio worth?

Atom Investors LP reported a 13F portfolio worth $1.05B across 796 positions for Q2 2026. That is down 19.9% from the previous quarter.

What did Atom Investors LP buy in Q2 2026?

Its largest purchases by value were Hewlett Packard Enterprise Co ($9.71M), Viatris Inc ($9.51M), Intel Corp ($7.68M). It opened 402 new positions.

What did Atom Investors LP sell in Q2 2026?

Its largest sales by value were BIO-TECHNE Corp ($16.69M), Scotts Miracle-Gro Co ($10.54M), Carlisle Companies Inc ($9.47M). It exited 227 positions entirely.

Where does this data come from?

From the Form 13F-HR reports Atom Investors LP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

Similar-Sized Institutions

by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.