# EDGAR Filing Document

**Accession Number:** 0001050442
**File Stem:** 0001050442-26-000001
**Filing Date:** 2026-2
**Character Count:** 10038
**Document Hash:** 39a6f5d4b6288faa2f8d2996d4407837
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001050442-26-000001.hdr.sgml**: 20260217

**ACCESSION NUMBER**: 0001050442-26-000001

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260217

**DATE AS OF CHANGE**: 20260217

**EFFECTIVENESS DATE**: 20260217

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DISCIPLINED GROWTH INVESTORS INC /MN
- **CENTRAL INDEX KEY:** 0001050442

**ORGANIZATION NAME:**
- **EIN:** 411901233
- **STATE OF INCORPORATION:** MN
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-06630
- **FILM NUMBER:** 26641002

**BUSINESS ADDRESS:**
- **STREET 1:** 150 S 5TH ST
- **STREET 2:** SUITE 2550
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55402
- **BUSINESS PHONE:** 6123174100

**MAIL ADDRESS:**
- **STREET 1:** 150 S. FIFTH ST
- **STREET 2:** SUITE 2550
- **CITY:** MINNEAPOLIS
- **STATE:** MN
- **ZIP:** 55402

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** DISCIPLINED GROWTH INVESTORS INC /MN<br>**Address:** 150 S. FIFTH ST<br>SUITE 2550<br>MINNEAPOLIS, MN 55402

**Form 13F File Number:** 028-06630

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Peter G. Rieke<br>**Title:** Chief Operating  Compliance Officer<br>**Phone:** 612-317-4108

**Signature, Place, and Date of Signing:**

Peter G. Rieke  Minneapolis, MN  02-17-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 61

**Form 13F Information Table Value Total:** $5224711948

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| AKAMAI TECHNOLOGIES COM | CS | 00971T101 |  | 154858542 | 1774883 | SH |  | SOLE |  | 1533920 | 0 | 240963 |
| ALARM COM HLDGS INC COM | CS | 011642105 |  | 174361717 | 3417517 | SH |  | SOLE |  | 3059598 | 0 | 357919 |
| ALIGN TECHNOLOGY INC | CS | 016255101 |  | 128189000 | 820935 | SH |  | SOLE |  | 728556 | 0 | 92379 |
| APPLE INC COM | CS | 037833100 |  | 417305 | 1535 | SH |  | SOLE |  | 1535 | 0 | 0 |
| ARISTA NETWORKS INC COM SHS | CS | 040413205 |  | 255354409 | 1948824 | SH |  | SOLE |  | 1697561 | 0 | 251263 |
| AUTODESK INC COM | CS | 052769106 |  | 95305452 | 321967 | SH |  | SOLE |  | 285205 | 0 | 36762 |
| AXOGEN INC COM | CS | 05463X106 |  | 6607401 | 201876 | SH |  | SOLE |  | 201876 | 0 | 0 |
| BROADCOM INC COM | CS | 11135F101 |  | 309067 | 893 | SH |  | SOLE |  | 893 | 0 | 0 |
| CELSIUS HLDGS INC COM NEW | CS | 15118V207 |  | 69760224 | 1525147 | SH |  | SOLE |  | 1327032 | 0 | 198115 |
| CEVA INC COM | CS | 157210105 |  | 13078737 | 607748 | SH |  | SOLE |  | 607748 | 0 | 0 |
| COGNEX CORP COM | CS | 192422103 |  | 167499781 | 4655358 | SH |  | SOLE |  | 4038352 | 0 | 617006 |
| CORE LABORATORIES INC | CS | 21867A105 |  | 82825631 | 5166914 | SH |  | SOLE |  | 4668306 | 0 | 498608 |
| COTERRA ENERGY INC COM | CS | 127097103 |  | 178384748 | 6777536 | SH |  | SOLE |  | 5973877 | 0 | 803659 |
| DOLBY LABORATORIES INC COM CL | CS | 25659T107 |  | 86214836 | 1342492 | SH |  | SOLE |  | 1160363 | 0 | 182129 |
| DOUBLEVERIFY HLDGS INC COM | CS | 25862V105 |  | 42767216 | 3738393 | SH |  | SOLE |  | 3464216 | 0 | 274177 |
| EGAIN CORP COM NEW | CS | 28225C806 |  | 9623928 | 935270 | SH |  | SOLE |  | 935270 | 0 | 0 |
| EXPAND ENERGY CORPORATION COM | CS | 165167735 |  | 281404646 | 2549879 | SH |  | SOLE |  | 2307038 | 0 | 242841 |
| FLOOR  DECOR HLDGS INC CL A | CS | 339750101 |  | 69824877 | 1146738 | SH |  | SOLE |  | 1005800 | 0 | 140938 |
| GARMIN LTD SHS | CS | H2906T109 |  | 283891618 | 1399515 | SH |  | SOLE |  | 1262066 | 0 | 137449 |
| GARTNER INC COM | CS | 366651107 |  | 90104325 | 357160 | SH |  | SOLE |  | 310522 | 0 | 46638 |
| GENERAC HLDGS INC COM | CS | 368736104 |  | 85609813 | 627776 | SH |  | SOLE |  | 544002 | 0 | 83774 |
| GENTEX CORP COM | CS | 371901109 |  | 111770999 | 4803223 | SH |  | SOLE |  | 4153391 | 0 | 649832 |
| GEOSPACE TECHNOLOGIES CORP COM | CS | 37364X109 |  | 19134815 | 1131568 | SH |  | SOLE |  | 1131568 | 0 | 0 |
| GLOBANT SA | CS | L44385109 |  | 5497290 | 84095 | SH |  | SOLE |  | 84095 | 0 | 0 |
| GRACO INC COM | CS | 384109104 |  | 29379032 | 358412 | SH |  | SOLE |  | 314939 | 0 | 43473 |
| INMODE LTD SHS | CS | M5425M103 |  | 4155346 | 282869 | SH |  | SOLE |  | 282869 | 0 | 0 |
| INTERDIGITAL INC COM | CS | 45867G101 |  | 193942132 | 609153 | SH |  | SOLE |  | 546984 | 0 | 62169 |
| INTUIT COM | CS | 461202103 |  | 59482004 | 89795 | SH |  | SOLE |  | 81520 | 0 | 8275 |
| INTUITIVE SURGICAL INC | CS | 46120E602 |  | 62540869 | 110426 | SH |  | SOLE |  | 99847 | 0 | 10579 |
| IPG PHOTONICS CORP COM | CS | 44980X109 |  | 40578154 | 566734 | SH |  | SOLE |  | 488013 | 0 | 78721 |
| KORNIT DIGITAL LTD SHS | CS | M6372Q113 |  | 43637419 | 3034591 | SH |  | SOLE |  | 3034591 | 0 | 0 |
| LGI HOMES INC COM | CS | 50187T106 |  | 30553753 | 711214 | SH |  | SOLE |  | 624219 | 0 | 86995 |
| MATERIALISE NV SPONSORED ADS | CS | 57667T100 |  | 6514845 | 1173846 | SH |  | SOLE |  | 1173846 | 0 | 0 |
| MICROCHIP TECHNOLOGY INC. COM | CS | 595017104 |  | 113762821 | 1785355 | SH |  | SOLE |  | 1547704 | 0 | 237651 |
| MICROSOFT CORP COM | CS | 594918104 |  | 324993 | 672 | SH |  | SOLE |  | 672 | 0 | 0 |
| MILLERKNOLL INC COM | CS | 600544100 |  | 9432370 | 515994 | SH |  | SOLE |  | 515994 | 0 | 0 |
| MIMEDX GROUP INC COM | CS | 602496101 |  | 10039192 | 1482894 | SH |  | SOLE |  | 1482894 | 0 | 0 |
| MONDAY  LTD | CS | M7S64H106 |  | 10764354 | 72949 | SH |  | SOLE |  | 54676 | 0 | 18273 |
| PAYCHEX INC COM | CS | 704326107 |  | 17202915 | 153351 | SH |  | SOLE |  | 133675 | 0 | 19676 |
| PLEXUS CORP COM | CS | 729132100 |  | 233853480 | 1590840 | SH |  | SOLE |  | 1431202 | 0 | 159638 |
| POWER INTEGRATIONS INC COM | CS | 739276103 |  | 71140347 | 2001698 | SH |  | SOLE |  | 1796208 | 0 | 205490 |
| POWERFLEET INC | CS | 73931J109 |  | 42128729 | 7918934 | SH |  | SOLE |  | 7918934 | 0 | 0 |
| PROGYNY INC COM | CS | 74340E103 |  | 15984079 | 622433 | SH |  | SOLE |  | 538765 | 0 | 83668 |
| PROTO LABS INC COM | CS | 743713109 |  | 135263950 | 2673729 | SH |  | SOLE |  | 2398250 | 0 | 275479 |
| PURE STORAGE INC CL A | CS | 74624M102 |  | 328175176 | 4897406 | SH |  | SOLE |  | 4427080 | 0 | 470326 |
| SEMTECH CORP COM | CS | 816850101 |  | 206427134 | 2801291 | SH |  | SOLE |  | 2522922 | 0 | 278369 |
| SHARKNINJA INC COM SHS | CS | G8068L108 |  | 50981304 | 455597 | SH |  | SOLE |  | 397983 | 0 | 57614 |
| SIMPSON MFG INC COM | CS | 829073105 |  | 42019338 | 260230 | SH |  | SOLE |  | 223282 | 0 | 36948 |
| SNAP ON INC COM | CS | 833034101 |  | 112944028 | 327754 | SH |  | SOLE |  | 285110 | 0 | 42644 |
| SOUNDTHINKING INC COM | CS | 82536T107 |  | 1573406 | 195941 | SH |  | SOLE |  | 195941 | 0 | 0 |
| SPS COMM INC COM | CS | 78463M107 |  | 75280357 | 844613 | SH |  | SOLE |  | 761280 | 0 | 83333 |
| STITCH FIX INC COM CL A | CS | 860897107 |  | 102257878 | 19477691 | SH |  | SOLE |  | 18039070 | 0 | 1438621 |
| STONERIDGE INC COM | CS | 86183P102 |  | 1181270 | 204019 | SH |  | SOLE |  | 204019 | 0 | 0 |
| SUPER MICRO COMPUTER INC COM N | CS | 86800U302 |  | 282089391 | 9637492 | SH |  | SOLE |  | 9086147 | 0 | 551345 |
| TAKE-TWO INTERACTIVE SOFTWARE | CS | 874054109 |  | 78584568 | 306935 | SH |  | SOLE |  | 269842 | 0 | 37093 |
| TREX CO INC COM | CS | 89531P105 |  | 35333839 | 1007236 | SH |  | SOLE |  | 916980 | 0 | 90256 |
| VIASAT INC COM | CS | 92552V100 |  | 204202034 | 5925770 | SH |  | SOLE |  | 5457778 | 0 | 467992 |
| WEAVE COMMUNICATIONS INC COM | CS | 94724R108 |  | 17543093 | 2311343 | SH |  | SOLE |  | 2311343 | 0 | 0 |
| YETI HLDGS INC COM | CS | 98585X104 |  | 5861226 | 132697 | SH |  | SOLE |  | 132697 | 0 | 0 |
| ZETA GLOBAL HOLDINGS CORP CL A | CS | 98956A105 |  | 111933303 | 5500408 | SH |  | SOLE |  | 4878926 | 0 | 621482 |
| ZIPRECRUITER INC CL A | CS | 98980B103 |  | 24847442 | 6371139 | SH |  | SOLE |  | 6371139 | 0 | 0 |

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