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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 | |
|---|---|---|---|---|---|---|
451
State Street SPDR S&P Regional Banking ETF
KRE
$4.5B
| $277K | 0.02% |
+4,279
| New | +$269K |
|
452
Citigroup
C
$222B
| $277K | 0.02% |
+2,372
| New | +$246K |
|
453
Stock Yards Bancorp
SYBT
$2.64B
| $276K | 0.02% |
+4,243
| New | +$285K |
|
454
Ross Stores
ROST
$80.5B
| $274K | 0.02% |
1,519
-368
| -20% | -$61.4K |
|
|
SEPN
455
Septerna Inc
SEPN
$1.55B
| $273K | 0.02% |
+9,791
| New | +$234K |
|
456
AngioDynamics
ANGO
$611M
| $272K | 0.02% |
21,156
-14,703
| -41% | -$181K |
|
457
Crane NXT
CXT
$2.99B
| $269K | 0.02% |
+5,725
| New | +$338K |
|
458
Horizon Bancorp
HBNC
$1.04B
| $267K | 0.02% |
+15,757
| New | +$261K |
|
459
CoStar Group
CSGP
$11.7B
| $266K | 0.02% |
+3,959
| New | +$280K |
|
460
State Street SPDR S&P Biotech ETF
XBI
$9.95B
| $266K | 0.02% |
2,183
-119,886
| -98% | -$13.7M |
|
461
Huntington Ingalls Industries
HII
$12.9B
| $265K | 0.02% |
+780
| New | +$242K |
|
462
TE Connectivity
TEL
$59.6B
| $263K | 0.02% |
+1,154
| New | +$267K |
|
463
Precigen
PGEN
$2.24B
| $258K | 0.02% |
61,825
+46,996
| +317% | +$182K |
|
|
RC
464
Ready Capital
RC
$258M
| $258K | 0.02% |
118,207
+88,349
| +296% | +$247K |
|
465
MDU Resources
MDU
$4.17B
| $257K | 0.02% |
+13,181
| New | +$259K |
|
466
General Motors
GM
$80.4B
| $257K | 0.02% |
+3,160
| New | +$223K |
|
467
ConocoPhillips
COP
$147B
| $256K | 0.02% |
2,732
| – | – |
|
468
QuantumScape Corp
QS
$3.21B
| $253K | 0.02% |
+24,315
| New | +$335K |
|
|
SNBR
469
DELISTED
Sleep Number
SNBR
| $250K | 0.02% |
+29,540
| New | +$187K |
|
470
Marriott Vacations Worldwide
VAC
$3.35B
| $249K | 0.02% |
4,320
-618
| -13% | -$36.5K |
|
471
Mobileye
MBLY
$2B
| $249K | 0.02% |
+23,819
| New | +$297K |
|
472
Marcus Corp
MCS
$897M
| $248K | 0.02% |
+16,010
| New | +$238K |
|
|
CSGS
473
DELISTED
CSG Systems International
CSGS
| $248K | 0.02% |
+3,236
| New | +$239K |
|
474
Star Group
SGU
$412M
| $244K | 0.02% |
20,586
+2,110
| +11% | +$25K |
|
475
Carnival Corporation Ltd
CCL
$38.1B
| $243K | 0.02% |
7,949
| – | – |
|
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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.