SIMG

Stephens Investment Management Group Portfolio holdings

AUM $9.33B Turnover 13.37%
1-Year Est. Return 56.1%
This Fund
S&P 500
This Quarter Est. Return
+33.01%
1 Year Est. Return
+56.1%
3 Year Est. Return
+159.94%
5 Year Est. Return
+193.56%
10 Year Est. Return
+1,178.18%
AUM
$9.33B
AUM Growth
+$2.03B
Cap. Flow
+$548M
Cap. Flow %
5.88%
Top 10 Hldgs %
14.99%
Holding
187
New
14
Increased
138
Reduced
24
Closed
11
Avg Time Held
4.9 years
Top 10 Avg Time Held
0.4 years
Top 20 Avg Time Held
0.8 years

Top Buys

Rank Stock Value
1
KRMN icon
Karman Holdings
KRMN
+$57.8M
2
TWST icon
Twist Bioscience
TWST
+$49.9M
3
KTOS icon
Kratos Defense & Security Solutions
KTOS
+$43.3M
4
WING icon
Wingstop
WING
+$41.9M
5
HRI icon
Herc Holdings
HRI
+$41.6M

Top Sells

Rank Stock Value
1
ECPG icon
Encore Capital Group
ECPG
+$84.4M
2
VRT icon
Vertiv
VRT
+$79.7M
3
MTSI icon
MACOM Technology Solutions
MTSI
+$66.1M
4
BE icon
Bloom Energy
BE
+$56.5M
5
RMD icon
ResMed
RMD
+$47M

Sector Composition

Rank Sector Weight
1 Technology 29.42%
2 Industrials 24.18%
3 Healthcare 18.35%
4 Consumer Discretionary 9.36%
5 Financials 7.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
JHX icon
76
James Hardie Industries
JHX
$14.2B
$58.7M 0.63%
2,241,488
+122,755
+6% +$2.7M
2025 Q3
3 quarters
IDXX icon
77
Idexx Laboratories
IDXX
$41.4B
$58M 0.62%
110,154
+8,057
+8% +$4.52M
2013 Q2
52 quarters
VIRT icon
78
Virtu Financial
VIRT
$4.91B
$57.8M 0.62%
970,734
+454,368
+88% +$23.9M
2024 Q1
9 quarters
SITE icon
79
SiteOne Landscape Supply
SITE
$3.85B
$57.5M 0.62%
502,344
+66,346
+15% +$8.01M
2016 Q4
38 quarters
GMED icon
80
Globus Medical
GMED
$10.1B
$57.2M 0.61%
723,451
+8,750
+1% +$744K
2023 Q3
11 quarters
MGY icon
81
Magnolia Oil & Gas
MGY
$6.69B
$56.8M 0.61%
2,219,966
+47,846
+2% +$1.37M
2021 Q3
19 quarters
MDB icon
82
MongoDB
MDB
$29.4B
$55.6M 0.6%
165,640
+24,613
+17% +$7.38M
2023 Q2
12 quarters
RMBS icon
83
Rambus
RMBS
$10.2B
$54.3M 0.58%
409,436
+1,653
+0.4% +$215K
2023 Q3
11 quarters
AROC icon
84
Archrock
AROC
$5.17B
$54.2M 0.58%
1,332,301
+72,376
+6% +$2.66M
2025 Q4
2 quarters
VNOM icon
85
Viper Energy
VNOM
$8.6B
$52.8M 0.57%
1,245,624
+13,896
+1% +$642K
2020 Q4
22 quarters
DT icon
86
Dynatrace
DT
$18.5B
$51.7M 0.55%
1,178,107
+76,247
+7% +$2.97M
2025 Q1
5 quarters
PODD icon
87
Insulet
PODD
$9.33B
$51.4M 0.55%
337,747
+160,040
+90% +$26.7M
2018 Q4
30 quarters
AR icon
88
Antero Resources
AR
$11.3B
$49.5M 0.53%
1,407,811
+226,896
+19% +$8.35M
2025 Q1
5 quarters
CIEN icon
89
Ciena
CIEN
$52.1B
$49.4M 0.53%
100,771
-65,400
-39% -$33.4M
2024 Q4
6 quarters
ZETA icon
90
Zeta Global
ZETA
$8.21B
$47.8M 0.51%
2,426,427
+396,757
+20% +$7.36M
2024 Q3
7 quarters
HRI icon
91
Herc Holdings
HRI
$4.07B
$46.2M 0.5%
+322,420
New +$41.6M
2026 Q2
0 quarters
MMS icon
92
Maximus
MMS
$3.01B
$46M 0.49%
854,785
+138,396
+19% +$8.63M
2013 Q3
51 quarters
BCPC icon
93
Balchem Corp
BCPC
$5.4B
$45.7M 0.49%
270,501
+4,415
+2% +$733K
2013 Q2
52 quarters
TYL icon
94
Tyler Technologies
TYL
$14.2B
$44.8M 0.48%
153,284
+9,962
+7% +$3.15M
2013 Q2
52 quarters
BFAM icon
95
Bright Horizons
BFAM
$3.3B
$42.3M 0.45%
596,653
+37,275
+7% +$2.7M
2015 Q4
42 quarters
S icon
96
SentinelOne
S
$8.02B
$41.4M 0.44%
2,442,034
+54,118
+2% +$833K
2024 Q3
7 quarters
NTNX icon
97
Nutanix
NTNX
$19.2B
$41.2M 0.44%
808,805
+59,733
+8% +$2.7M
2024 Q2
8 quarters
COHR icon
98
Coherent
COHR
$52.6B
$40.8M 0.44%
103,359
+5,711
+6% +$2.02M
2024 Q4
6 quarters
IBP icon
99
Installed Building Products
IBP
$4.74B
$40.3M 0.43%
175,271
+4,463
+3% +$1.08M
2023 Q2
12 quarters
TER icon
100
Teradyne
TER
$56B
$39.9M 0.43%
82,466
+1,666
+2% +$628K
2022 Q1
17 quarters
2 3
4
5 6

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MU
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OC
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MWM
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OAM
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AAMU
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OPERF
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CLOS
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Stephens Investment Management Group's Q2 2026 Portfolio in Review

As of Q2 2026, Stephens Investment Management Group held 187 positions worth $9.33B, up 28% from $7.3B the previous quarter. Its ten largest holdings account for 15% of the portfolio.

Stephens Investment Management Group deployed $548M of net new capital in Q2 2026, opening 14 new positions and adding to 138 existing holdings. Its largest new stake was Twist Bioscience: 767,364 shares worth $78.9M.

By sector, the portfolio is most concentrated in Technology at 29% of assets, up from 25% a quarter earlier, followed by Industrials and Healthcare.

On the sell side, the largest reduction was Encore Capital Group, an estimated $84.4M trimmed.

  • Stephens Investment Management Group's largest Q2 2026 buy was Twist Bioscience: 767,364 shares worth $78.9M.
  • Stephens Investment Management Group added most to Karman Holdings in Q2 2026, an estimated $57.8M increase.
  • Stephens Investment Management Group's biggest Q2 2026 reduction was Encore Capital Group, cutting an estimated $84.4M.
  • Stephens Investment Management Group fully exited Domino's in Q2 2026, selling an estimated $45.1M.
  • Stephens Investment Management Group's ten largest holdings make up 15% of its $9.33B portfolio in Q2 2026.
  • Stephens Investment Management Group opened 14 new positions and closed 11 in Q2 2026.
  • Stephens Investment Management Group's portfolio value rose 28% quarter-over-quarter to $9.33B.

Based on Stephens Investment Management Group's 13F filing for Q2 2026, filed 29 Jul 2026.