We are live on
!
Find out more
AI
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
(-4.5%)
Cap. Flow
-$53.1M
Cap. Flow
% of AUM
-4.22%
Top 10 Holdings %
Top 10 Hldgs %
13.02%
Holding
858
New
274
Increased
136
Reduced
131
Closed
302
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Vanguard S&P 500 ETF
VOO
|
+$41.7M |
| 2 |
Bio-Techne
TECH
|
+$21.4M |
| 3 |
SiteOne Landscape Supply
SITE
|
+$15.1M |
| 4 |
Casella Waste Systems
CWST
|
+$11.4M |
| 5 |
F5
FFIV
|
+$10.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Russell 2000 ETF
IWM
|
+$97.9M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$67.3M |
| 3 |
iShares Russell 2000 Value ETF
IWN
|
+$40.2M |
| 4 |
State Street SPDR S&P Retail ETF
XRT
|
+$19.5M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
801
AT&T
T
$159B
| – | – |
-14,709
| Closed | -$415K |
|
802
Tarsus Pharmaceuticals
TARS
$2.6B
| – | – |
-5,494
| Closed | -$327K |
|
803
Teradata
TDC
$2.88B
| – | – |
-15,353
| Closed | -$330K |
|
804
Terex
TEX
$7.11B
| – | – |
-7,465
| Closed | -$383K |
|
805
Tandem Diabetes Care
TNDM
$1.3B
| – | – |
-13,521
| Closed | -$164K |
|
806
Entrada Therapeutics
TRDA
$263M
| – | – |
-30,812
| Closed | -$179K |
|
807
Targa Resources
TRGP
$57.6B
| – | – |
-1,836
| Closed | -$308K |
|
808
TriMas Corp
TRS
$1.36B
| – | – |
-5,668
| Closed | -$219K |
|
809
TechTarget
TTGT
$325M
| – | – |
-12,398
| Closed | -$72K |
|
810
Travere Therapeutics
TVTX
$5.33B
| – | – |
-9,331
| Closed | -$223K |
|
811
10x Genomics
TXG
$6.28B
| – | – |
-10,181
| Closed | -$119K |
|
812
Tyler Technologies
TYL
$13.3B
| – | – |
-12,703
| Closed | -$6.65M |
|
813
Union Pacific
UNP
$172B
| – | – |
-1,792
| Closed | -$424K |
|
814
United Rentals
URI
$66.5B
| – | – |
-365
| Closed | -$348K |
|
815
US Foods
USFD
$22.1B
| – | – |
-14,321
| Closed | -$1.1M |
|
816
Vera Therapeutics
VERA
$2.37B
| – | – |
-22,539
| Closed | -$655K |
|
817
Vanguard FTSE Europe ETF
VGK
$30.8B
| – | – |
-33,599
| Closed | -$2.68M |
|
818
Vir Biotechnology
VIR
$1.5B
| – | – |
-33,200
| Closed | -$190K |
|
819
Vulcan Materials
VMC
$35.2B
| – | – |
-813
| Closed | -$250K |
|
|
VRNT
820
DELISTED
Verint Systems
VRNT
| – | – |
-20,053
| Closed | -$406K |
|
821
Verra Mobility
VRRM
$781M
| – | – |
-26,794
| Closed | -$662K |
|
822
VeriSign
VRSN
$25.9B
| – | – |
-5,237
| Closed | -$1.46M |
|
823
Vertex Pharmaceuticals
VRTX
$122B
| – | – |
-7,109
| Closed | -$2.78M |
|
824
Verastem
VSTM
$536M
| – | – |
-67,042
| Closed | -$592K |
|
825
VTEX
VTEX
$745M
| – | – |
-64,605
| Closed | -$283K |
|
Similar funds
SP
ELC
HRES
SRAIM
PMG
TCC
FCP
SC
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.