Data as of Q4 2025 (Dec 31, 2025)

Atom Investors LP

โ€ขCIK: 1738902โ€ขFiling: Q4 2025

**Atom Investors LP** manages $1.3B across a diversified portfolio of 556 positions. The fund exhibits significant concentration in large-cap equity, with top holdings including VOO at $42.0M and TECH at $20.7M. Notable allocations also include sector exposure via SITE ($15.7M), APO ($14.7M), and CRM ($14.0M). This structure suggests a systematic, multi-sector approach to capturing broad market upside.

Total AUM
$1.3B
QoQ Performance
-4.5%
Positions
544
Top 10 Concentration
16.3%
Latest Filing
Q4 2025

Top Holdings Allocation

VOO3.3%
TECH1.6%
SITE1.2%
APO1.2%
CRM1.1%
CWST1.0%
XLU0.9%
XLP0.9%

๐Ÿ“ˆ Biggest Buys

VOO
VANGUARD INDEX FDS
NEW
3.3% of portfolio
TECH
BIO-TECHNE CORP
NEW
1.6% of portfolio
SITE
SITEONE LANDSCAPE SUPPLY
+1732.3%
1.2% of portfolio
CWST
CASELLA WASTE SYS INC
NEW
1.0% of portfolio
APO
APOLLO GLOBAL MGMT INC
+267.4%
1.2% of portfolio

๐Ÿ“‰ Biggest Sells

VNOM
VIPER ENERGY INC
-75.3%
0.2% of portfolio
ETR
ENTERGY CORP NEW
-54.8%
0.4% of portfolio
CI
THE CIGNA GROUP
-55.8%
0.3% of portfolio
XLV
SELECT SECTOR SPDR TR
-32.1%
0.9% of portfolio
SYY
SYSCO CORP
-54.9%
0.3% of portfolio

Sector Breakdown

Other87.0%
ETF4.2%
Technology3.6%
Healthcare1.9%
Consumer1.4%
Materials1.2%
Communication0.5%
Financial0.2%

๐Ÿšช Exited Positionssold since Q3 2025

IWM
ISHARES TR
SOLD
$97.9M
SPY
SPDR S&P 500 ETF TR
SOLD
$67.3M
IWN
ISHARES TR
SOLD
$40.6M
XRT
SPDR SERIES TRUST
SOLD
$20.5M
XLF
SELECT SECTOR SPDR TR
SOLD
$18.1M
+465 more exited positions

Changes from Q3 2025

NEW86 new positions
โ†‘77 increased
โ†“36 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023