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DISCIPLINED GROWTH INVESTORS INC /MN — 13F Holdings & Portfolio

CIK 1050442 · latest 13F-HR filed 2026-08-14

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DISCIPLINED GROWTH INVESTORS INC /MN manages $5.91B in 13F-reported U.S. long-equity assets across 58 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are PLXS (7.34%), VSAT (7.21%), P (6.20%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions and exited 6; 35 existing positions rose in reported value and 16 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$5.91B

Long-equity book

Holdings
58

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+3 / −6 / ↑35 / ↓16

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
PLXS7.3% · -4%VSAT7.2% · -16%P6.2% · -0%GRMN5.3% · -0%ANET5.1% · -1%CGNX5.1% · -4%EXE3.6% · -1%PRLB3.3% · -5%AKAM3.3% · -1%DVN3.0% · newALRM2.8% · +10%GNRC2.8% · -4%POWI2.7% · -3%SMTC2.6% · -57%IDCC2.4% · -8%ZETA2.3% · +10%ALGN2.2% · +1%SNA2.1% · -1%SPSC2.1% · +162%GNTX2.0% · +1%SN1.8% · +67%DV1.8% · +148%GTLB1.7% · +264%MNDY1.5% · +213%SMCI1.3% · -47%SFIX1.3% · +1%TTWO1.2% · +1%DLB1.1% · -2%FND1.1% · +1%IPGP1.1% · +0%ADSK1.0% · +2%LGIH0.9% · +13%SSD0.9% · -0%KRNT0.8% · +1%IT0.8% · +2%MCHP0.7% · -62%CELH0.7% · +2%ISRG0.7% · -1%DT0.7% · +38%CLB0.6% · -38%PGNY0.6% · +106%CEVA0.5% · +47%TREX0.5% · -13%VEEV0.4% · newGGG0.4% · -2%AIOT0.4% · -14%INTU0.4% · -1%WEAV0.3% · +32%ZIP0.3% · -3%PAYX0.3% · +6%MTLS0.3% · +76%YETI0.2% · +0%AXGN0.1% · -35%INMD0.1% · +20%GLOB0.0% · +22%MDXG0.0% · -8%AAPL0.0% · 0%CCC0.0% · new

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 49.4%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$5.48B
Discretionary
$5.48B
Employees
21
Accounts
144
Address
150 SOUTH FIFTH STREET
SUITE 2550
MINNEAPOLIS, MN 55402-1227
Phone
(612) 317-4100
Website
Name Title / Status Ownership Type
MARTIN, FREDERICK, KANE ControlFOUNDER & LEAD PORTFOLIO MANAGER10–25%Individual
MARTIN, RICKI, LEE ControlCHIEF EXECUTIVE OFFICER10–25%Individual
RIEKE, PETER, GORDON ControlCHIEF COMPLIANCE OFFICERLess than 5%Individual
HANSEN, NICHOLAS, GEORGELEAD PORTFOLIO MANAGER5–10%Individual
LIETZKE, SHERYL, ANNDIRECTOR OF CLIENT RELATIONSHIPS5–10%Individual
NICOSKI, ROB, JOSEPHCHIEF INVESTMENT OFFICER25–50%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

DISCIPLINED GROWTH INVESTORS INC /MN Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 PLEXUS CORP COM PLXS 729132100 $433.2M 7.34% 1,440,935 SH
2 VIASAT INC COM VSAT 92552V100 $425.9M 7.21% 4,741,812 SH
3 EVERPURE INC CL A P 74624M102 $366.1M 6.20% 4,646,725 SH
4 GARMIN LTD SHS GRMN H2906T109 $315.2M 5.34% 1,326,832 SH
5 ARISTA NETWORKS INC COM SHS ANET 040413205 $303.8M 5.14% 1,788,304 SH
6 COGNEX CORP COM CGNX 192422103 $299.8M 5.08% 4,139,715 SH
7 EXPAND ENERGY CORPORATION COM EXE 165167735 $214.0M 3.62% 2,346,927 SH
8 PROTO LABS INC COM PRLB 743713109 $194.0M 3.29% 2,380,514 SH
9 AKAMAI TECHNOLOGIES COM AKAM 00971T101 $193.3M 3.27% 1,635,207 SH
10 DEVON ENERGY CORP NEW COM DVN 25179M103 $174.3M 2.95% 4,219,415 SH
11 ALARM COM HLDGS INC COM ALRM 011642105 $167.5M 2.84% 3,585,614 SH
12 GENERAC HLDGS INC COM GNRC 368736104 $163.6M 2.77% 558,568 SH
13 POWER INTEGRATIONS INC COM POWI 739276103 $158.5M 2.68% 1,891,864 SH
14 SEMTECH CORP COM SMTC 816850101 $154.6M 2.62% 955,033 SH
15 INTERDIGITAL INC COM IDCC 45867G101 $144.4M 2.45% 510,096 SH
16 ZETA GLOBAL HOLDINGS CORP CL A ZETA 98956A105 $133.1M 2.25% 6,761,165 SH
17 ALIGN TECHNOLOGY INC ALGN 016255101 $132.1M 2.24% 783,178 SH
18 SNAP ON INC COM SNA 833034101 $122.8M 2.08% 305,180 SH
19 SPS COMM INC COM SPSC 78463M107 $121.4M 2.06% 2,123,881 SH
20 GENTEX CORP COM GNTX 371901109 $115.3M 1.95% 4,561,485 SH
21 SHARKNINJA INC COM SHS SN G8068L108 $109.0M 1.85% 715,721 SH
22 DOUBLEVERIFY HLDGS INC COM DV 25862V105 $105.0M 1.78% 9,689,140 SH
23 GITLAB, INC GTLB 37637K108 $101.0M 1.71% 3,308,421 SH
24 MONDAY.COM LTD MNDY M7S64H106 $91.5M 1.55% 1,263,335 SH
25 SUPER MICRO COMPUTER INC COM N SMCI 86800U302 $78.1M 1.32% 2,663,417 SH
26 STITCH FIX INC COM CL A SFIX 860897107 $77.7M 1.32% 18,910,052 SH
27 TAKE-TWO INTERACTIVE SOFTWARE TTWO 874054109 $73.0M 1.24% 292,065 SH
28 DOLBY LABORATORIES INC COM CL DLB 25659T107 $65.6M 1.11% 1,247,791 SH
29 FLOOR & DECOR HLDGS INC CL A FND 339750101 $65.5M 1.11% 1,103,591 SH
30 IPG PHOTONICS CORP COM IPGP 44980X109 $62.3M 1.05% 530,833 SH
31 AUTODESK INC COM ADSK 052769106 $60.1M 1.02% 309,345 SH
32 LGI HOMES INC COM LGIH 50187T106 $51.9M 0.88% 815,069 SH
33 SIMPSON MFG INC COM SSD 829073105 $50.4M 0.85% 240,664 SH
34 KORNIT DIGITAL LTD SHS KRNT M6372Q113 $49.3M 0.83% 3,031,101 SH
35 GARTNER INC COM IT 366651107 $44.7M 0.76% 344,687 SH
36 MICROCHIP TECHNOLOGY INC. COM MCHP 595017104 $43.6M 0.74% 478,469 SH
37 CELSIUS HLDGS INC COM NEW CELH 15118V207 $42.9M 0.73% 1,466,503 SH
38 INTUITIVE SURGICAL INC ISRG 46120E602 $42.2M 0.71% 106,000 SH
39 DYNATRACE INC NEW DT 268150109 $39.9M 0.68% 908,550 SH
40 CORE LABORATORIES INC CLB 21867A105 $35.4M 0.60% 3,042,177 SH
41 PROGYNY INC COM PGNY 74340E103 $34.1M 0.58% 1,181,632 SH
42 CEVA INC COM CEVA 157210105 $31.3M 0.53% 662,802 SH
43 TREX CO INC COM TREX 89531P105 $29.6M 0.50% 592,096 SH
44 VEEVA SYS INC CL A COM VEEV 922475108 $25.0M 0.42% 140,964 SH
45 GRACO INC COM GGG 384109104 $24.3M 0.41% 321,466 SH
46 POWERFLEET INC AIOT 73931J109 $24.0M 0.41% 6,258,600 SH
47 INTUIT COM INTU 461202103 $22.5M 0.38% 86,019 SH
48 WEAVE COMMUNICATIONS INC COM WEAV 94724R108 $18.0M 0.30% 2,998,909 SH
49 ZIPRECRUITER INC CL A ZIP 98980B103 $15.3M 0.26% 4,091,619 SH
50 PAYCHEX INC COM PAYX 704326107 $14.9M 0.25% 151,732 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $5.91B 58 0001050442-26-000021
2026-03-31 2026-05-15 $4.89B 61 0001050442-26-000011
2025-12-31 2026-02-17 $5.22B 61 0001050442-26-000001
2025-09-30 2025-11-14 $5.52B 64 0001050442-25-000034
Filer Information
Address
150 S 5TH ST
SUITE 2550
MINNEAPOLIS, MN 55402
Phone
(612) 317-4100
Filing Manager
DISCIPLINED GROWTH INVESTORS INC /MN
MINNEAPOLIS, MN
Signatory
Peter G. Rieke
Chief Operating & Compliance Officer