Q2 2026 13F · SEC CIK 1664999

Longitude (Cayman) Ltd.

Investment managerFiled 2026-08-12 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $151.4M
Reported positions: 27
Top holdings a year, 3 yrs: +68.3%
Average holding period: 3.7 yrs

Longitude (Cayman) Ltd. is an investment manager that reported 27 positions worth $151.4M in its Q2 2026 13F, filed 2026-08-12. Its largest holdings were Advanced Micro Devices Inc (AMD, 19.2%), Sofi Technologies Inc (SOFI, 9.6%), Ishares Bitcoin Trust ETF (IBIT, 8.9%). A portfolio copying its top holdings returned 68.3% a year over the last 3 years, against 22.0% for the S&P 500.

Longitude (Cayman) Ltd. holdings all 27 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.

Longitude (Cayman) Ltd. 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
AMDAdvanced Micro Devices Inc	19.2%	13.7%	50,000	-35.1%	$29.0M
SOFISofi Technologies Inc	9.6%	8.9%	807,500	+25.2%	$14.5M
IBITIshares Bitcoin Trust ETF	8.9%	11.6%	403,000	+16.5%	$13.4M
TSLATesla Inc	8.5%	9.6%	30,600	+3.4%	$12.9M
ARMArm Holdings PLC	4.8%	7.3%	20,500	-62.7%	$7.3M
NVDANvidia Corporation	4.5%	5.7%	34,100	-9.5%	$6.8M
AAPLApple Inc	4.2%	4.9%	22,200	-0.4%	$6.4M
IVESWedbush Ser Tr	4.1%	3.9%	161,000	+1.9%	$6.1M
METAMeta Platforms Inc	3.9%	4.4%	10,500	+18.6%	$5.9M
GOOGLAlphabet Inc	3.7%	4.4%	15,600	-11.9%	$5.6M
BMNRBitmine Immersion Techs Inc	3.5%	4.5%	394,000	+52.1%	$5.2M
AMZNAmazon Com Inc	3.3%	4.4%	21,200	-12.8%	$5.1M
GRNITidal Trust III	3.2%	New	175,000	—	$4.8M
MSTRStrategy Inc	3.2%	4.2%	55,000	+42.1%	$4.8M
SPCXSpace Exploration Techn Corp	2.7%	New	23,800	—	$4.1M
NUNu Hldgs Ltd	2.7%	0.2%	303,000	+1682.4%	$4.0M
RACEFerrari N V	2.1%	2.1%	8,500	+22.3%	$3.2M
JBLUJetblue Airways Corp	2.0%	2.2%	530,000	-6.2%	$3.0M
NVONovo-Nordisk A S	1.4%	1.3%	45,000	+7.1%	$2.2M
BABAAlibaba Group Hldg Ltd	1.0%	0.7%	15,250	+138.3%	$1.5M
HOODRobinhood Mkts Inc	0.9%	0.5%	14,000	+75.0%	$1.4M
MUMicron Technology Inc	0.9%	0.4%	1,150	-23.3%	$1.3M
SPCHThemes ETF Tr	0.7%	New	71,000	—	$1.1M
PINSPinterest Inc	0.4%	0.4%	30,000	+7.1%	$631K
RIVNRivian Automotive Inc	0.4%	0.0%	35,000	+1650.0%	$607K
SMCISuper Micro Computer Inc	0.3%	0.5%	18,000	-23.4%	$528K
IGVIshares Tr	0.0%	0.0%	400	-20.0%	$36K

What Longitude (Cayman) Ltd. bought and sold in Q2 2026, against Q1 2026.

Share counts compared with the Q1 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year: —
3 years: +68.3% /yr; S&P 500 +22.0%
5 years: +25.0% /yr; S&P 500 +11.4%

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	$151.4M	27
Q1 2026	$114.6M	29
Q4 2025	$115.5M	21
Q4 2024	$87.2M	19
Q3 2024	$69.8M	18
Q2 2024	$63.5M	22
Q1 2024	$68.7M	27
Q4 2023	$62.5M	26
Q3 2023	$55.2M	28
Q2 2023	$65.3M	30
Q1 2023	$50.4M	34
Q4 2022	$36.0M	31

Questions about Longitude (Cayman) Ltd.'s portfolio

What stocks does Longitude (Cayman) Ltd. own?

Longitude (Cayman) Ltd.'s latest 13F, for Q2 2026 and filed Aug 12, 2026, lists 27 positions worth $151.4M. The largest are Advanced Micro Devices Inc (AMD) at 19.2%, Sofi Technologies Inc (SOFI) at 9.6%, Ishares Bitcoin Trust ETF (IBIT) at 8.9%, Tesla Inc (TSLA) at 8.5% and Arm Holdings PLC (ARM) at 4.8%.

What did Longitude (Cayman) Ltd. buy last quarter?

In Q2 2026, Longitude (Cayman) Ltd. added a new position in Tidal Trust III (GRNI), a new position in Space Exploration Techn Corp (SPCX), a new position in Themes ETF Tr (SPCH), Nu Hldgs Ltd (NU) (+1682.4% shares), Rivian Automotive Inc (RIVN) (+1650.0% shares) and Alibaba Group Hldg Ltd (BABA) (+138.3% shares), compared with its Q1 2026 filing.

What did Longitude (Cayman) Ltd. sell last quarter?

In Q2 2026, Longitude (Cayman) Ltd. sold all of Tidal Trust I (GRNY), sold all of Proshares Tr II, sold all of Chipotle Mexican Grill Inc (CMG), sold all of Paypal Hldgs Inc (PYPL), sold all of Netflix Inc. (NFLX), Arm Holdings PLC (ARM) (-62.7% shares), Advanced Micro Devices Inc (AMD) (-35.1% shares) and Super Micro Computer Inc (SMCI) (-23.4% shares), compared with its Q1 2026 filing.

How has Longitude (Cayman) Ltd.'s portfolio performed?

A portfolio copying Longitude (Cayman) Ltd.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +68.3% a year over the last 3 years, against +22.0% for the S&P 500. Over 5 years: +25.0% a year against +11.4%.

When is Longitude (Cayman) Ltd.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Longitude (Cayman) Ltd.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.