What stocks does Stephen Mandel own?

As of Q2 2026, Lone Pine Capital reported 34 positions with a combined 13F value of $16.4B. Its largest stock positions are NBIS ($1.2B), ASML ($1.1B) and STX ($965.1M).

How often does Lone Pine Capital update its portfolio?

Lone Pine Capital files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 14, 2026. The next one is due by Nov 16, 2026.

What does Lone Pine Capital's 13F leave out?

A 13F lists long positions in US-listed stocks and some options held on the last day of a quarter. It leaves out short positions, most bonds, holdings not listed in the US and anything bought or sold since the quarter ended.

Where does Lone Pine Capital's portfolio data come from?

From the 13F filings Lone Pine Capital makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.

Smart money

Lone Pine Capital LLC

Stephen Mandel

Return history

Last 4 years · filing-date model

$100,000 to $193,035

$100,000 in SPY: $212,563.

Total return

+93%

Annualized (4Y CAGR)

+17.9%

vs SPY

−2.9 pts/yr

Moves a year

122

Avg hold

11.8 months

17 filings · quarters -22.1% to +30.2%

All time

+316% since Aug 14, 2013

Fund size $16B today

Nov 6, 2022 to Nov 5, 2026 · min. 90% quarterly priced · Disclosed book, unaudited · Method

Position-weighted returns use each SEC filing date. Options use underlying-stock proxies, not option premiums; put proxies can lose more than 100%. Cash, shorts, non-13F holdings and trades between filings are excluded.

New NBIS and exited VST in Q2 2026.

$16.4B in this filing34 positions

Holdings as of Jun 30, 2026. Filed Aug 14, 2026.

Share change vs Mar 31

1NBISNebius Group N.V.7.19%
$1.2B - 4.3M sharesNEW
2ASMLAsml HLDG NV6.92%
$1.1B - 569K shares-13.1%
3STXSeagate Technology Hldngs 5.90%
$965.1M - 1.0M sharesNEW
4HDHome Depot Inc5.61%
$918.1M - 2.6M sharesNEW
5AMATApplied Matls Inc5.34%
$873.2M - 1.2M sharesNEW
6MDLNMedline Inc5.06%
$827.0M - 21.0M shares+77.9%
7LINLinde PLC4.94%
$808.6M - 1.6M sharesNEW
8TERTeradyne Inc4.42%
$722.4M - 1.5M shares-20.3%

#	Stock				At Jun 30	Now
1	NBISNebius Group N.V.	7.19%	$1.2B	NEW	$276.17	$141.52 -48.8%
2	ASMLAsml HLDG NV	6.92%	$1.1B	-13.1%	$1989.44	$1496.30 -24.8%
3	STXSeagate Technology Hldngs	5.90%	$965.1M	NEW	$965.00	$557.06 -42.3%
4	HDHome Depot Inc	5.61%	$918.1M	NEW	$352.68	$355.44 +0.8%
5	AMATApplied Matls Inc	5.34%	$873.2M	NEW	$723.00	$369.40 -48.9%
6	MDLNMedline Inc	5.06%	$827.0M	+77.9%	$39.44	$40.35 +2.3%
7	LINLinde PLC	4.94%	$808.6M	NEW	$518.94	$524.74 +1.1%
8	TERTeradyne Inc	4.42%	$722.4M	-20.3%	$483.84	$250.99 -48.1%

26 more on a paid plan

Unlock the full portfolio and quarterly changes.

Unlock all 26 holdings

What is missing

Top 10 concentration: 54%. This filing does not include cash, short positions, private investments, bonds, or many overseas holdings. Next filing due ~Nov 16, 2026.

Check the filer and reporting period

These holdings cover Jun 30, 2026. Check the SEC filer record for the reporting entity. Disclosed quarter-end positions are not a manager's personal or live portfolio. Compare the reporting period with the filed date before interpreting a change.

Common questions

What stocks does Stephen Mandel own?: As of Q2 2026, Lone Pine Capital reported 34 positions with a combined 13F value of $16.4B. Its largest stock positions are NBIS ($1.2B), ASML ($1.1B) and STX ($965.1M).
How often does Lone Pine Capital update its portfolio?: Lone Pine Capital files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 14, 2026. The next one is due by Nov 16, 2026.
What does Lone Pine Capital's 13F leave out?: A 13F lists long positions in US-listed stocks and some options held on the last day of a quarter. It leaves out short positions, most bonds, holdings not listed in the US and anything bought or sold since the quarter ended.
Where does Lone Pine Capital's portfolio data come from?: From the 13F filings Lone Pine Capital makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.

Smart money

Lone Pine Capital LLC

Stephen Mandel

Return history

Last 4 years · filing-date model

$100,000 to $193,035

$100,000 in SPY: $212,563.

Total return

+93%

Annualized (4Y CAGR)

+17.9%

vs SPY

−2.9 pts/yr

Moves a year

122

Avg hold

11.8 months

17 filings · quarters -22.1% to +30.2%

All time

+316% since Aug 14, 2013

Fund size $16B today

Nov 6, 2022 to Nov 5, 2026 · min. 90% quarterly priced · Disclosed book, unaudited · Method

New NBIS and exited VST in Q2 2026.

$16.4B in this filing34 positions

Holdings as of Jun 30, 2026. Filed Aug 14, 2026.

Share change vs Mar 31

1NBISNebius Group N.V.7.19%
$1.2B - 4.3M sharesNEW
2ASMLAsml HLDG NV6.92%
$1.1B - 569K shares-13.1%
3STXSeagate Technology Hldngs 5.90%
$965.1M - 1.0M sharesNEW
4HDHome Depot Inc5.61%
$918.1M - 2.6M sharesNEW
5AMATApplied Matls Inc5.34%
$873.2M - 1.2M sharesNEW
6MDLNMedline Inc5.06%
$827.0M - 21.0M shares+77.9%
7LINLinde PLC4.94%
$808.6M - 1.6M sharesNEW
8TERTeradyne Inc4.42%
$722.4M - 1.5M shares-20.3%

#	Stock				At Jun 30	Now
1	NBISNebius Group N.V.	7.19%	$1.2B	NEW	$276.17	$141.52 -48.8%
2	ASMLAsml HLDG NV	6.92%	$1.1B	-13.1%	$1989.44	$1496.30 -24.8%
3	STXSeagate Technology Hldngs	5.90%	$965.1M	NEW	$965.00	$557.06 -42.3%
4	HDHome Depot Inc	5.61%	$918.1M	NEW	$352.68	$355.44 +0.8%
5	AMATApplied Matls Inc	5.34%	$873.2M	NEW	$723.00	$369.40 -48.9%
6	MDLNMedline Inc	5.06%	$827.0M	+77.9%	$39.44	$40.35 +2.3%
7	LINLinde PLC	4.94%	$808.6M	NEW	$518.94	$524.74 +1.1%
8	TERTeradyne Inc	4.42%	$722.4M	-20.3%	$483.84	$250.99 -48.1%

26 more on a paid plan

Unlock the full portfolio and quarterly changes.

Unlock all 26 holdings

What is missing

Top 10 concentration: 54%. This filing does not include cash, short positions, private investments, bonds, or many overseas holdings. Next filing due ~Nov 16, 2026.

Check the filer and reporting period

Common questions

What stocks does Stephen Mandel own?: As of Q2 2026, Lone Pine Capital reported 34 positions with a combined 13F value of $16.4B. Its largest stock positions are NBIS ($1.2B), ASML ($1.1B) and STX ($965.1M).
How often does Lone Pine Capital update its portfolio?: Lone Pine Capital files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 14, 2026. The next one is due by Nov 16, 2026.
What does Lone Pine Capital's 13F leave out?: A 13F lists long positions in US-listed stocks and some options held on the last day of a quarter. It leaves out short positions, most bonds, holdings not listed in the US and anything bought or sold since the quarter ended.
Where does Lone Pine Capital's portfolio data come from?: From the 13F filings Lone Pine Capital makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.

Lone Pine Capital LLC

Last 4 years · filing-date model

New NBIS and exited VST in Q2 2026.

Check the filer and reporting period

Disclosed changes

Common questions

Ask it in Claude or ChatGPT.

Lone Pine Capital LLC

Last 4 years · filing-date model

New NBIS and exited VST in Q2 2026.

Check the filer and reporting period

Disclosed changes

Common questions

Ask it in Claude or ChatGPT.