Q2 2026 13F · SEC CIK 859872

Klingenstein Fields & Co LP

Investment managerFiled 2026-08-05 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $2.9B
Reported positions: 195
Top holdings a year, 3 yrs: +23.7%
Average holding period: 7.9 yrs

Klingenstein Fields & Co LP is an investment manager that reported 195 positions worth $2.9B in its Q2 2026 13F, filed 2026-08-05. Its largest holdings were Broadcom Inc (AVGO, 6.7%), Alphabet Inc (GOOGL, 5.2%), Palo Alto Networks Inc (PANW, 5.1%). A portfolio copying its top holdings returned 23.7% a year over the last 3 years, against 20.4% for the S&P 500.

Klingenstein Fields & Co LP holdings largest 50 of 195 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 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.

Klingenstein Fields & Co LP 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
AVGOBroadcom Inc	6.7%	6.3%	504,659	-1.7%	$190.6M
GOOGLAlphabet Inc	5.2%	4.8%	418,860	-0.9%	$149.7M
PANWPalo Alto Networks Inc	5.1%	2.7%	426,619	-1.0%	$145.5M
LLYEli Lilly & Co	3.8%	3.7%	91,363	-11.2%	$109.6M
AAPLApple Inc	3.7%	3.6%	361,383	+0.5%	$104.6M
BRK-BBerkshire Hathaway Inc Del	3.3%	3.6%	187,993	-0.3%	$94.1M
MSFTMicrosoft Corp	3.1%	3.4%	235,017	+0.2%	$87.7M
AMZNAmazon Com Inc	3.0%	3.0%	362,354	-0.2%	$86.4M
NVDANvidia Corporation	3.0%	2.8%	430,000	+4.3%	$86.0M
STUBStubhub Hldgs Inc	2.8%	1.5%	6,229,560	+1.0%	$80.2M
GSGoldman Sachs Group Inc	2.7%	2.6%	76,901	-1.2%	$77.8M
UNPUnion Pac Corp	2.5%	2.5%	259,487	-0.7%	$70.6M
SPYState Str Spdr S&p 500 ETF T	2.3%	2.4%	88,856	-3.9%	$66.4M
GOOGAlphabet Inc	2.2%	2.1%	181,916	-1.8%	$64.3M
JPMJpmorgan Chase & Co	2.2%	2.2%	191,888	-0.6%	$62.8M
RTXRtx Corporation	2.0%	2.4%	308,290	-1.0%	$58.5M
DISDisney Walt Co	2.0%	2.3%	600,607	-0.1%	$57.8M
PEPPepsico Inc	2.0%	2.6%	422,747	-0.1%	$57.2M
JNJJohnson & Johnson	1.9%	2.1%	218,394	-1.4%	$55.5M
QQQInvesco Qqq Tr	1.6%	1.5%	63,494	-3.3%	$46.8M
COSTCostco Wholesale Corporation	1.6%	2.0%	49,939	-0.2%	$46.7M
NXPINxp Semiconductors N V	1.6%	1.3%	163,928	-0.0%	$46.1M
ETNEaton Corp PLC	1.3%	1.2%	87,536	-0.4%	$37.3M
SCHASchwab Strategic Tr	1.3%	1.2%	991,435	-3.6%	$35.8M
CBChubb Limited	1.2%	1.3%	102,035	-0.2%	$34.8M
TMOThermo Fisher Scientific Inc	1.1%	1.4%	65,147	-9.5%	$32.7M
PLDPrologis Inc	1.1%	1.2%	233,002	-0.1%	$31.6M
XLKSelect Sector Spdr Tr	1.1%	—	162,604	—	$31.0M
VMCVulcan Matls Co	1.1%	1.1%	102,793	+0.1%	$30.3M
ISRGIntuitive Surgical Inc	1.0%	1.4%	74,634	-5.7%	$29.7M
MRKMerck & Co Inc	1.0%	1.1%	223,496	-0.6%	$28.7M
CLColgate Palmolive Co	0.9%	1.0%	286,150	-2.6%	$26.2M
NFLXNetflix Inc.	0.9%	1.3%	350,343	-0.8%	$25.0M
HDHome Depot Inc	0.9%	0.9%	69,876	+1.6%	$24.6M
IVVIshares Tr	0.8%	0.7%	31,623	+12.0%	$23.7M
METAMeta Platforms Inc	0.8%	0.9%	41,942	+0.5%	$23.6M
SOXXIshares Tr	0.8%	—	35,340	—	$22.6M
SBUXStarbucks Corp	0.7%	0.7%	202,684	-0.0%	$20.7M
MMM3m Co	0.7%	0.7%	120,660	-0.0%	$19.5M
SCHFSchwab Strategic Tr	0.6%	0.7%	663,965	-3.7%	$18.4M
HONHoneywell Intl Inc	0.6%	—	81,831	—	$18.3M
HONAHoneywell Aerospace Inc	0.6%	—	81,559	—	$18.0M
SHELShell PLC	0.6%	0.9%	226,292	-2.8%	$17.5M
GEGe Aerospace	0.6%	0.5%	46,482	+0.0%	$17.4M
UITBVictory Portfolios II	0.6%	0.6%	355,284	+13.2%	$16.6M
NOCNorthrop Grumman Corp	0.6%	0.8%	31,287	+0.9%	$15.9M
MDLZMondelez International	0.5%	0.6%	267,241	+0.0%	$15.5M
SCHESchwab Strategic Tr	0.5%	0.6%	412,214	-3.8%	$14.9M
SYKStryker Corporation	0.5%	0.9%	43,652	-40.4%	$13.7M
XOMExxon Mobil Corp	0.5%	0.7%	97,791	+0.1%	$13.4M

What Klingenstein Fields & Co LP bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

UITB Victory Portfolios II+13.2% shares
IVV Ishares Tr+12.0% shares

Reduced

SYK Stryker Corporation-40.4% shares
LLY Eli Lilly & Co-11.2% shares
TMO Thermo Fisher Scientific Inc-9.5% shares
ISRG Intuitive Surgical Inc-5.7% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +26.1% /yr; S&P 500 +20.1%
3 years: +23.7% /yr; S&P 500 +20.4%
5 years: +12.2% /yr; S&P 500 +11.6%

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
Q2 2026	$2.9B	195
Q1 2026	$2.5B	186
Q4 2025	$2.7B	186
Q3 2025	$2.6B	193
Q2 2025	$2.5B	188
Q1 2025	$2.4B	181
Q4 2024	$2.5B	180
Q3 2024	$2.5B	184
Q2 2024	$2.4B	182
Q1 2024	$2.4B	185
Q4 2023	$2.2B	180
Q3 2023	$2.0B	176

Questions about Klingenstein Fields & Co LP's portfolio

What stocks does Klingenstein Fields & Co LP own?

Klingenstein Fields & Co LP's latest 13F, for Q2 2026 and filed Aug 5, 2026, lists 195 positions worth $2.9B. The largest are Broadcom Inc (AVGO) at 6.7%, Alphabet Inc (GOOGL) at 5.2%, Palo Alto Networks Inc (PANW) at 5.1%, Eli Lilly & Co (LLY) at 3.8% and Apple Inc (AAPL) at 3.7%.

What did Klingenstein Fields & Co LP buy last quarter?

In Q2 2026, Klingenstein Fields & Co LP added Victory Portfolios II (UITB) (+13.2% shares) and Ishares Tr (IVV) (+12.0% shares), compared with its Q1 2026 filing.

What did Klingenstein Fields & Co LP sell last quarter?

In Q2 2026, Klingenstein Fields & Co LP cut from its top 50 Honeywell Intl. Inc (HON), cut from its top 50 Paypal Hldgs Inc (PYPL), cut from its top 50 Nextera Energy Inc (NEE), cut from its top 50 Southern Co (SO), Stryker Corporation (SYK) (-40.4% shares), Eli Lilly & Co (LLY) (-11.2% shares) and Thermo Fisher Scientific Inc (TMO) (-9.5% shares), compared with its Q1 2026 filing.

How has Klingenstein Fields & Co LP's portfolio performed?

A portfolio copying Klingenstein Fields & Co LP's 20 largest 13F holdings each quarter, from the day each filing was public, returned +23.7% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +26.1% against +20.1%. Over 5 years: +12.2% a year against +11.6%.

When is Klingenstein Fields & Co LP's next 13F filing due?

13F filings are due 45 days after each quarter ends. Klingenstein Fields & Co LP's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.