Q3 2026 13F · SEC CIK 1999898

Kampmann Melissa S.

Investment managerFiled 2026-10-28 for Q3 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $128.4M
Reported positions: 40
Top holdings a year, 3 yrs: +10.8%
Average holding period: 3.3 yrs

Kampmann Melissa S. is an investment manager that reported 40 positions worth $128.4M in its Q3 2026 13F, filed 2026-10-28. Its largest holdings were Eli Lilly & Co (LLY, 7.0%), Alphabet Inc (GOOG, 6.8%), Apple Inc (AAPL, 6.7%). A portfolio copying its top holdings returned 10.8% a year over the last 3 years, against 18.4% for the S&P 500.

Kampmann Melissa S. holdings all 40 positions.

Weights are shares of the filer's total reported 13F value, compared with Q2 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Kampmann Melissa S. 13F holdings
Stock	% of 13F value	Q2 2026	Shares	Share change	Reported value
LLYEli Lilly & Co	7.0%	7.0%	7,757	-0.1%	$9.0M
GOOGAlphabet Inc	6.8%	6.8%	25,609	+0.3%	$8.7M
AAPLApple Inc	6.7%	5.6%	25,837	+0.6%	$8.6M
MSFTMicrosoft Corp	5.5%	3.8%	13,655	+1.5%	$7.0M
JPMJpmorgan Chase & Co	4.8%	4.6%	18,680	+0.2%	$6.2M
JNJJohnson & Johnson	4.4%	4.1%	21,198	+0.0%	$5.6M
ROKRockwell Automation Inc	4.2%	4.6%	12,422	+0.8%	$5.4M
FASTFastenal Co	3.8%	3.6%	98,991	+0.6%	$4.9M
WMTWalmart Inc	3.7%	3.9%	45,864	+0.1%	$4.8M
AMZNAmazon Com Inc	3.7%	3.4%	19,030	+0.4%	$4.7M
MAMastercard Incorporated	3.5%	3.1%	8,131	+1.8%	$4.5M
GEVGe Vernova Inc	3.3%	3.9%	4,458	+0.5%	$4.2M
UBERUber Technologies Inc	3.1%	3.2%	57,995	-0.5%	$4.0M
CVXChevron Corporation	3.0%	2.3%	19,156	+2.4%	$3.9M
ECLEcolab Inc	2.9%	2.8%	13,757	+2.5%	$3.8M
PGProcter & Gamble Co	2.9%	2.8%	25,247	-1.6%	$3.7M
SYKStryker Corporation	2.7%	2.9%	12,374	+0.9%	$3.4M
DXCMDexcom Inc	2.4%	1.8%	36,413	+0.2%	$3.1M
GNRCGenerac Hldgs Inc	2.3%	3.2%	14,456	+0.2%	$3.0M
NVDANvidia Corporation	2.3%	1.2%	12,721	+58.6%	$2.9M
NOWServicenow Inc	2.0%	1.4%	18,755	-1.4%	$2.5M
IRTCIrhythm Technologies Inc	1.8%	1.9%	20,872	-0.7%	$2.4M
ISRGIntuitive Surgical Inc	1.8%	1.6%	5,603	+2.6%	$2.3M
COSTCostco Wholesale Corporation	1.5%	1.5%	2,143	+3.2%	$2.0M
HDHome Depot Inc	1.4%	1.8%	6,473	-3.7%	$1.8M
ANETArista Networks Inc	1.4%	0.2%	8,930	+371.2%	$1.8M
BIVVanguard Bd Index Fds	1.2%	1.2%	21,136	+4.9%	$1.5M
ICEIntercontinental Exchange Inc	1.1%	1.4%	9,594	-36.4%	$1.5M
WMWaste Mgmt Inc Del	1.1%	1.2%	7,145	+2.9%	$1.5M
SBUXStarbucks Corp	1.1%	1.0%	14,409	+15.5%	$1.4M
TOSTToast Inc	1.0%	0.9%	43,859	+0.3%	$1.3M
BABoeing Co	1.0%	1.1%	6,829	+1.9%	$1.3M
BXBlackstone Inc	1.0%	1.3%	11,160	-21.7%	$1.3M
AGGIshares Tr	0.8%	0.8%	11,443	+3.5%	$1.1M
CRMSalesforce Inc	0.7%	0.5%	4,180	-1.4%	$960K
SPGIS&p Global Inc	0.7%	0.9%	2,358	-15.7%	$930K
RBARb Global Inc	0.7%	2.1%	10,685	-55.3%	$870K
CNICanadian Natl Ry Co	0.3%	0.3%	2,950	-12.3%	$351K
XYLXylem Inc	0.2%	0.2%	2,090	-2.8%	$212K
CATCaterpillar Inc	0.2%	0.2%	250	+0.0%	$203K

What Kampmann Melissa S. bought and sold in Q3 2026, against Q2 2026.

New positions

No new positions among the largest holdings.

Added to

Reduced

RBA Rb Global Inc-55.3% shares
ICE Intercontinental Exchange Inc-36.4% shares
BX Blackstone Inc-21.7% shares
SPGI S&p Global Inc-15.7% shares
CNI Canadian Natl Ry Co-12.3% shares

Sold out

Share counts compared with the Q2 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year: +8.5% /yr; S&P 500 +20.1%
3 years: +10.8% /yr; S&P 500 +18.4%
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q3 2026	$128.4M	40
Q2 2026	$132.3M	44
Q1 2026	$124.6M	43
Q4 2025	$135.2M	41
Q3 2025	$137.2M	40
Q2 2025	$133.2M	40
Q1 2025	$126.5M	41
Q4 2024	$127.1M	41
Q3 2024	$141.4M	41
Q2 2024	$136.9M	40
Q1 2024	$139.1M	39
Q4 2023	$116.8M	40

Questions about Kampmann Melissa S.'s portfolio

What stocks does Kampmann Melissa S. own?

Kampmann Melissa S.'s latest 13F, for Q3 2026 and filed Oct 28, 2026, lists 40 positions worth $128.4M. The largest are Eli Lilly & Co (LLY) at 7.0%, Alphabet Inc (GOOG) at 6.8%, Apple Inc (AAPL) at 6.7%, Microsoft Corp (MSFT) at 5.5% and Jpmorgan Chase & Co (JPM) at 4.8%.

What did Kampmann Melissa S. buy last quarter?

In Q3 2026, Kampmann Melissa S. added Arista Networks Inc (ANET) (+371.2% shares), Nvidia Corporation (NVDA) (+58.6% shares) and Starbucks Corp (SBUX) (+15.5% shares), compared with its Q2 2026 filing.

What did Kampmann Melissa S. sell last quarter?

In Q3 2026, Kampmann Melissa S. sold all of Oracle Corp (ORCL), sold all of Wec Energy Group Inc (WEC), sold all of Aon PLC (AON), sold all of Medline Inc (MDLN), Rb Global Inc (RBA) (-55.3% shares), Intercontinental Exchange Inc (ICE) (-36.4% shares) and Blackstone Inc (BX) (-21.7% shares), compared with its Q2 2026 filing.

How has Kampmann Melissa S.'s portfolio performed?

A portfolio copying Kampmann Melissa S.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +10.8% a year over the last 3 years, against +18.4% for the S&P 500. Over 1 year: +8.5% against +20.1%.

When is Kampmann Melissa S.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Kampmann Melissa S.'s filing for the quarter ending Dec 31, 2026 is due by Feb 14, 2027; this page updates the day after it is published.