Login
Super Investors Kampmann Melissa S.
KM

Kampmann Melissa S.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$128M
Positions
40
Quarter ended
September 30, 2026
Filed
October 28, 2026

Reported portfolio value by quarter (13 quarters reported)

$141M $104M
Q3 23 Q2 24 Q1 25 Q4 25 Q3 26

$104M in Q3 2023 → $128M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
LE Lilly Eli & Co Com 7.0% Trimmed 0.1% 7,757 $8.98M
AC Alphabet Inc C 6.8% Added 0.3% 25,609 $8.73M
AC Apple Inc Com 6.7% Added 0.6% 25,837 $8.6M
MC Microsoft Corp Com 5.5% Added 1.5% 13,655 $7M
JC Jpmorgan Chase & Co Com 4.8% Added 0.2% 18,680 $6.18M
J& Johnson & Johnson Com 4.4% Added 0.0% 21,198 $5.61M
Rockwell Automation 4.2% Added 0.8% 12,422 $5.41M
FC Fastenal Co Com 3.8% Added 0.6% 98,991 $4.9M
Walmart Inc 3.7% Added 0.1% 45,864 $4.77M
AC Amazon.com Inc Com 3.7% Added 0.4% 19,030 $4.74M
Mastercard Incorporated 3.5% Added 1.8% 8,131 $4.48M
Ge Vernova Inc 3.3% Added 0.5% 4,458 $4.24M
Uber Technologies Inc 3.1% Trimmed 0.5% 57,995 $3.97M
CN Chevron Corp New Com 3.0% Added 2.4% 19,156 $3.91M
Ecolab Inc 2.9% Added 2.5% 13,757 $3.78M
P& Procter & Gamble Co Com 2.9% Trimmed 1.6% 25,247 $3.67M
Stryker Corp 2.7% Added 0.9% 12,374 $3.41M
Dexcom Inc 2.4% Added 0.2% 36,413 $3.14M
GH Generac Hldgs Inc 2.3% Added 0.2% 14,456 $2.99M
NC Nvidia Corp Com 2.3% Added 59% 12,721 $2.91M
Servicenow Inc 2.0% Trimmed 1.4% 18,755 $2.51M
IT Irhythm Technologies Inc 1.8% Trimmed 0.7% 20,872 $2.37M
Intuitive Surgical Inc 1.8% Added 2.6% 5,603 $2.28M
Costco Wholesale Corp 1.5% Added 3.2% 2,143 $1.95M
HD Home Depot Inc Com 1.4% Trimmed 3.7% 6,473 $1.84M
Arista Networks Inc 1.4% Added 371% 8,930 $1.82M
VI Vanguard Intermediate Term Bond ETF 1.2% Added 4.9% 21,136 $1.54M
Intercontinental Exchange Inc 1.1% Trimmed 36% 9,594 $1.46M
WM Waste Mgmt Inc Del Com 1.1% Added 2.9% 7,145 $1.46M
SC Starbucks Corp Com 1.1% Added 15% 14,409 $1.35M
Toast Inc 1.0% Added 0.3% 43,859 $1.27M
Boeing Co 1.0% Added 1.9% 6,829 $1.27M
Blackstone Inc 1.0% Trimmed 22% 11,160 $1.25M
IC Ishares Core Total Us Agg Bond ETF 0.8% Added 3.5% 11,443 $1.08M
Salesforce Inc 0.7% Trimmed 1.4% 4,180 $960K
S&P Global Inc 0.7% Trimmed 16% 2,358 $930K
Rb Global Inc 0.7% Trimmed 55% 10,685 $870K
CN Canadian Natl Ry Co Com 0.3% Trimmed 12% 2,950 $351K
XC Xylem Inc Com 0.2% Trimmed 2.8% 2,090 $212K
CC Caterpillar Inc Com 0.2% Unchanged 250 $203K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 28, 2026

Company Action Shares changed Value of change % of portfolio
Oracle Corp Exited −11,732 −$1.72M —
Arista Networks Inc Added +7,035 +$1.43M 1.4%
Wec Energy Group Inc Exited −11,680 −$1.36M —
Aon PLC Exited −3,900 −$1.29M —
Rb Global Inc Trimmed −13,217 −$1.08M 0.7%
NC Nvidia Corp Com Added +4,701 +$1.07M 2.3%
Intercontinental Exchange Inc Trimmed −5,480 −$833K 1.1%
Medline Inc Exited −13,938 −$550K —
Blackstone Inc Trimmed −3,100 −$347K 1.0%
SC Starbucks Corp Com Added +1,930 +$181K 1.1%

Showing the 10 largest of 43 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 29, 2026

Company Action Shares changed Value of change % of portfolio
NC Nvidia Corp Com Added +6,445 +$1.29M 1.2%
Aon PLC Trimmed −3,455 −$1.15M 1.0%
S&P Global Inc Trimmed −2,799 −$1.14M 0.9%
WA Workday Inc A Exited −7,745 −$1.01M —
Servicenow Inc Added +7,415 +$736K 1.4%
Blackstone Inc Trimmed −4,330 −$510K 1.3%
Salesforce Inc Trimmed −2,374 −$372K 0.5%
Medline Inc Added +8,498 +$335K 0.4%
Arista Networks Inc New +1,895 +$322K 0.2%
CC Caterpillar Inc Com New +250 +$266K 0.2%

Showing the 10 largest of 44 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 23, 2026

Company Action Shares changed Value of change % of portfolio
Boeing Co Added +4,560 +$908K 1.0%
WA Workday Inc A Trimmed −4,330 −$563K 0.8%
S&P Global Inc Trimmed −1,240 −$527K 1.9%
Blackstone Inc Trimmed −3,680 −$423K 1.7%
Costco Wholesale Corp Added +380 +$379K 1.5%
Aon PLC Trimmed −1,130 −$365K 1.9%
Servicenow Inc Added +3,155 +$330K 1.0%
NC Nvidia Corp Com New +1,575 +$275K 0.2%
Uber Technologies Inc Trimmed −3,645 −$262K 3.5%
Intercontinental Exchange Inc Trimmed −1,590 −$250K 2.1%

Showing the 10 largest of 37 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 26, 2026

Company Action Shares changed Value of change % of portfolio
Costar Group Inc Exited −28,900 −$2.44M —
ZA Zoetis Inc A Exited −12,345 −$1.81M —
Costco Wholesale Corp New +1,480 +$1.45M 1.1%
Servicenow Inc New +8,450 +$1.06M 0.8%
WM Waste Mgmt Inc Del Com Trimmed −3,800 −$861K 1.1%
SC Starbucks Corp Com Trimmed −6,310 −$608K 0.8%
Walmart Inc Trimmed −4,674 −$558K 4.2%
Boeing Co New +1,625 +$406K 0.3%
Ge Vernova Inc Added +555 +$371K 2.2%
WA Workday Inc A Trimmed −1,940 −$356K 1.6%

Showing the 10 largest of 40 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 09, 2025

Company Action Shares changed Value of change % of portfolio
SC Starbucks Corp Com Trimmed −6,166 −$522K 1.1%
Ge Vernova Inc Added +830 +$510K 1.8%
ZA Zoetis Inc A Trimmed −2,610 −$382K 1.3%
Costar Group Inc Added +4,395 +$371K 1.8%
AC Alphabet Inc C Trimmed −885 −$216K 4.6%
Walmart Inc Trimmed −2,090 −$215K 3.9%
LE Lilly Eli & Co Com Trimmed −274 −$209K 4.4%
AC Apple Inc Com Trimmed −660 −$168K 4.8%
Uber Technologies Inc Trimmed −1,635 −$160K 4.6%
Salesforce Inc Trimmed −545 −$129K 1.4%

Showing the 10 largest of 38 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 24, 2025

Company Action Shares changed Value of change % of portfolio
SC Schwab Charles Corp Exited −30,335 −$2.37M —
FC Fastenal Co Com Added +44,790 +$1.88M 2.9%
Ge Vernova Inc New +3,075 +$1.63M 1.2%
Wec Energy Group Inc New +11,680 +$1.22M 0.9%
BH Berkshire Hathaway Inc Del Cl A Exited −1 −$798K —
Oracle Corp Added +2,775 +$607K 1.9%
WM Waste Mgmt Inc Del Com Added +2,010 +$460K 1.7%
AC Alphabet Inc C Trimmed −2,060 −$365K 3.6%
Walmart Inc Trimmed −2,405 −$235K 4.0%
Nike Inc Exited −3,305 −$210K —

Showing the 10 largest of 43 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 25, 2025

Company Action Shares changed Value of change % of portfolio
WM Waste Mgmt Inc Del Com New +7,895 +$1.83M 1.4%
HC Hologic Inc Com Exited −18,515 −$1.33M —
SC Schwab Charles Corp Trimmed −7,485 −$586K 1.9%
Costar Group Inc Added +5,775 +$458K 1.5%
J& Johnson & Johnson Com Added +2,375 +$394K 2.9%
Walmart Inc Trimmed −3,898 −$342K 3.9%
Dexcom Inc Added +4,450 +$304K 2.0%
ZA Zoetis Inc A Trimmed −1,636 −$269K 2.1%
Oracle Corp Added +1,910 +$267K 1.0%
Ecolab Inc Trimmed −855 −$217K 2.7%

Showing the 10 largest of 41 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 11, 2025

Company Action Shares changed Value of change % of portfolio
HC Hologic Inc Com Trimmed −18,525 −$1.34M 1.1%
LE Lilly Eli & Co Com Trimmed −1,275 −$984K 5.1%
Oracle Corp Added +4,795 +$799K 0.9%
Ecolab Inc Trimmed −3,330 −$780K 2.7%
AC Apple Inc Com Trimmed −2,860 −$716K 5.6%
AC Alphabet Inc C Trimmed −3,720 −$708K 4.4%
Nike Inc Trimmed −9,315 −$705K 0.3%
MC Microsoft Corp Com Trimmed −1,667 −$703K 4.7%
Walmart Inc Trimmed −7,470 −$675K 4.3%
Dexcom Inc Trimmed −7,905 −$615K 2.0%

Showing the 10 largest of 40 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support