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Atom Investors Portfolio holdings

AUM $1.4B
1-Year Est. Return 23.77%
This Fund
S&P 500
This Quarter Est. Return
+4.81%
1 Year Est. Return
+23.77%
3 Year Est. Return
+63.44%
5 Year Est. Return
+52.26%
10 Year Est. Return
–
AUM
$1.26B
AUM Growth
-$59.7M
Cap. Flow
-$53.1M
Cap. Flow %
-4.22%
Top 10 Hldgs %
13.02%
Holding
858
New
274
Increased
136
Reduced
131
Closed
302

Top Buys

Rank Stock Value
1
VOO icon
Vanguard S&P 500 ETF
VOO
+$41.7M
2
TECH icon
Bio-Techne
TECH
+$21.4M
3
SITE icon
SiteOne Landscape Supply
SITE
+$15.1M
4
CWST icon
Casella Waste Systems
CWST
+$11.4M
5
FFIV icon
F5
FFIV
+$10.8M

Top Sells

Rank Stock Value
1
IWM icon
iShares Russell 2000 ETF
IWM
+$97.9M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$67.3M
3
IWN icon
iShares Russell 2000 Value ETF
IWN
+$40.2M
4
XRT icon
State Street SPDR S&P Retail ETF
XRT
+$19.5M
5
XLF icon
State Street Financial Select Sector SPDR ETF
XLF
+$17.5M

Sector Composition

Rank Sector Weight
1 Industrials 17.84%
2 Healthcare 17.1%
3 Consumer Discretionary 15.33%
4 Technology 13%
5 Financials 7.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RSI icon
776
Rush Street Interactive
RSI
$2.76B
– –
-19,751
Closed -$405K
RSP icon
777
Invesco S&P 500 Equal Weight ETF
RSP
$97.2B
– –
-24,366
Closed -$4.62M
RTX icon
778
RTX Corp
RTX
$289B
– –
-2,803
Closed -$469K
RVMD icon
779
Revolution Medicines
RVMD
$40.9B
– –
-8,885
Closed -$415K
RVTY icon
780
Revvity
RVTY
$12.7B
– –
-15,515
Closed -$1.36M
RXST icon
781
RxSight
RXST
$252M
– –
-10,964
Closed -$98.6K
RYAN icon
782
Ryan Specialty Holdings
RYAN
$5.71B
– –
-4,848
Closed -$273K
SAIC icon
783
Saic
SAIC
$4.89B
– –
-3,132
Closed -$311K
SAP icon
784
SAP
SAP
$209B
– –
-1,170
Closed -$313K
SBRA icon
785
Sabra Healthcare REIT
SBRA
$5.38B
– –
-55,157
Closed -$1.03M
SCHW
786
Charles Schwab
SCHW
$181B
– –
-12,383
Closed -$1.18M
SEB icon
787
Seaboard Corp
SEB
$4.32B
– –
-58
Closed -$212K
SEIC icon
788
SEI Investments
SEIC
$12.4B
– –
-8,155
Closed -$692K
SFIX
789
Stitch Fix
SFIX
$547M
– –
-21,009
Closed -$91.4K
SFNC icon
790
Simmons First National
SFNC
$3.38B
– –
-12,335
Closed -$236K
SGHC icon
791
SGHC Ltd
SGHC
$7.15B
– –
-176,776
Closed -$2.33M
SLG icon
792
SL Green Realty
SLG
$3.81B
– –
-7,968
Closed -$477K
SNDR icon
793
Schneider National
SNDR
$5.98B
– –
-29,311
Closed -$620K
SNV
794
DELISTED
Synovus
SNV
– –
-8,576
Closed -$421K
SPG icon
795
Simon Property Group
SPG
$74.7B
– –
-4,731
Closed -$888K
SPHR icon
796
Sphere Entertainment
SPHR
$5.31B
– –
-12,794
Closed -$795K
SPOK icon
797
Spok Holdings
SPOK
$225M
– –
-17,827
Closed -$308K
ST icon
798
Sensata Technologies
ST
$6.98B
– –
-23,239
Closed -$710K
STEP icon
799
StepStone Group
STEP
$3.59B
– –
-5,530
Closed -$361K
STIM icon
800
Neuronetics
STIM
$137M
– –
-26,854
Closed -$73.3K
30 31
32
33 34

Similar funds

SP
Steelhead Partners Seattle, Washington $1.39B AUM 0.01% 1-Year Est. Return
ELC
Edgar Lomax Company Kingstowne, Virginia $1.4B AUM 20.67% 1-Year Est. Return
HRES
Heitman Real Estate Securities Chicago, Illinois $1.39B AUM 6.59% 1-Year Est. Return
SRAIM
Scheer Rowlett & Associates Investment Management Toronto, Ontario, Canada $1.39B AUM 49.24% 1-Year Est. Return
PMG
ProVise Management Group Clearwater, Florida $1.39B AUM 18.33% 1-Year Est. Return
TCC
Trans-Canada Capital Montreal, Quebec, Canada $1.39B AUM 16.61% 1-Year Est. Return
FCP
Fidelis Capital Partners Tampa, Florida $1.4B AUM 31.16% 1-Year Est. Return
SC
Sagefield Capital Dallas, Texas $1.39B AUM 60.14% 1-Year Est. Return

Atom Investors's Q4 2025 Portfolio in Review

As of Q4 2025, Atom Investors held 858 positions worth $1.26B, down 4.5% from $1.32B the previous quarter. Its ten largest holdings account for 13% of the portfolio.

Atom Investors withdrew a net $53.1M in Q4 2025, closing 302 positions and reducing 131 holdings. Its most notable exit was iShares Russell 2000 ETF, an estimated $97.9M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 18% of assets, up from 11% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, Atom Investors opened a new position in Vanguard S&P 500 ETF worth $42M.

  • Atom Investors's largest Q4 2025 buy was Vanguard S&P 500 ETF: 67,041 shares worth $42M.
  • Atom Investors added most to SiteOne Landscape Supply in Q4 2025, an estimated $15.1M increase.
  • Atom Investors's biggest Q4 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $67.3M.
  • Atom Investors fully exited iShares Russell 2000 ETF in Q4 2025, selling an estimated $97.9M.
  • Atom Investors's ten largest holdings make up 13% of its $1.26B portfolio in Q4 2025.
  • Atom Investors opened 274 new positions and closed 302 in Q4 2025.
  • Atom Investors's portfolio value fell 4.5% quarter-over-quarter to $1.26B.

Based on Atom Investors's 13F filing for Q4 2025, filed 17 Feb 2026.