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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
(-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 | |
|---|---|---|---|---|---|---|
201
ManpowerGroup
MAN
$2.6B
| $1.99M | 0.16% |
+67,038
| New | +$2.09M |
|
202
SBA Communications
SBAC
$19.8B
| $1.96M | 0.16% |
+10,134
| New | +$1.96M |
|
203
Addus HomeCare
ADUS
$2.22B
| $1.94M | 0.15% |
+18,047
| New | +$2.07M |
|
204
MasTec
MTZ
$22.7B
| $1.92M | 0.15% |
+8,814
| New | +$1.85M |
|
205
Veeco
VECO
$2.62B
| $1.91M | 0.15% |
66,859
-173,828
| -72% | -$5.15M |
|
206
Grocery Outlet
GO
$904M
| $1.9M | 0.15% |
+188,114
| New | +$2.37M |
|
207
Adient
ADNT
$1.69B
| $1.89M | 0.15% |
+98,457
| New | +$2.07M |
|
208
WisdomTree
WT
$2.79B
| $1.88M | 0.15% |
+153,919
| New | +$1.86M |
|
209
uniQure
QURE
$2.78B
| $1.87M | 0.15% |
78,209
+30,918
| +65% | +$1.19M |
|
210
Harley-Davidson
HOG
$2.61B
| $1.86M | 0.15% |
+90,937
| New | +$2.24M |
|
211
Lithia Motors
LAD
$9.75B
| $1.84M | 0.15% |
5,541
-8
| -0.1% | -$2.54K |
|
212
NiSource
NI
$21.5B
| $1.84M | 0.15% |
+44,029
| New | +$1.88M |
|
213
Alkermes
ALKS
$8.11B
| $1.84M | 0.15% |
+65,706
| New | +$1.97M |
|
214
Snap
SNAP
$7.96B
| $1.82M | 0.14% |
+226,042
| New | +$1.79M |
|
215
Anterix
ATEX
$1.72B
| $1.81M | 0.14% |
83,085
+55,097
| +197% | +$1.14M |
|
216
Wolverine World Wide
WWW
$1.68B
| $1.81M | 0.14% |
+99,843
| New | +$2.02M |
|
|
NTST
217
NETSTREIT Corp
NTST
$2.13B
| $1.81M | 0.14% |
+102,581
| New | +$1.87M |
|
218
Regions Financial
RF
$26.4B
| $1.8M | 0.14% |
+66,324
| New | +$1.69M |
|
|
AXON
219
Axon Enterprise
AXON
$42.8B
| $1.79M | 0.14% |
+3,147
| New | +$1.95M |
|
220
Applied Materials
AMAT
$347B
| $1.78M | 0.14% |
6,937
+5,535
| +395% | +$1.33M |
|
221
Spotify
SPOT
$108B
| $1.76M | 0.14% |
+3,035
| New | +$1.9M |
|
222
Procter & Gamble
PG
$340B
| $1.76M | 0.14% |
+12,285
| New | +$1.81M |
|
223
DoubleVerify
DV
$1.77B
| $1.76M | 0.14% |
+153,768
| New | +$1.7M |
|
224
Innospec
IOSP
$2.09B
| $1.75M | 0.14% |
22,830
+19,405
| +567% | +$1.47M |
|
225
Blackbaud
BLKB
$1.94B
| $1.72M | 0.14% |
27,223
-1,370
| -5% | -$84.7K |
|
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SP
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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.