Q2 2026 13F · SEC CIK 1081698

Heights Capital Management, Inc

Asset managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $433.1M
Reported positions: 323
Holdings vs S&P 500, 3 yrs: —
Average holding period: 3 qtrs

Heights Capital Management, Inc is an asset manager that reported 323 positions worth $433.1M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Flutter Entmt PLC (FLUT, 6.9%), Amc Entmt Hldgs Inc (AMC, 5.5%), Meiragtx Hldgs PLC (MGTX, 2.7%).

Heights Capital Management, Inc holdings largest 50 of 323 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.

Heights Capital Management, Inc 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
FLUTFlutter Entmt PLC	6.9%	8.4%	294,180	+0.0%	$30.1M
AMCAmc Entmt Hldgs Inc	5.5%	—	12,613,528	—	$24.0M
MGTXMeiragtx Hldgs PLC	2.7%	—	850,000	—	$11.5M
TSHATaysha Gene Therapies Inc	2.4%	—	1,500,000	—	$10.2M
G8443M128Starlink Ai Acquisition Corp	2.3%	—	999,990	—	$10.1M
MTNECh4 Natural Solutions Corp	1.8%	—	800,000	—	$7.9M
JACSJackson Acquisition Co II	1.7%	2.1%	700,000	+0.0%	$7.4M
JABRUJab Acquisition Corp I	1.6%	—	700,000	—	$7.0M
DMAADrugs Made in Amer Acqutn Co	1.6%	1.9%	648,083	-0.3%	$6.9M
TOYOToyo Co Ltd	1.6%	—	989,231	—	$6.9M
ISNRUSnow Rothschild Acquisition	1.5%	—	650,000	—	$6.5M
GHXIUGores Holdings Xi Inc	1.4%	—	600,000	—	$6.1M
IDACUIron Dome Acquisition I Corp	1.4%	—	600,000	—	$6.1M
ALPXUAlpex Acquisition Corp	1.3%	—	550,000	—	$5.5M
PONOPono Capital Four Inc	1.3%	—	549,714	—	$5.5M
DMIIDrugs Made in America Acquisition II Cor	1.2%	1.5%	519,400	+0.0%	$5.2M
KCHVKochav Defense Acqui Co	1.2%	1.4%	500,000	+0.0%	$5.2M
PRQRProqr Thrapeutics N V	1.2%	—	2,762,430	—	$5.1M
G66903132Ocean Cap Acquisition Corp	1.2%	—	500,000	—	$5.1M
GCGRGeneral Ca	1.2%	—	500,000	—	$5.0M
DGAC-UNDisciplined Growth	1.2%	—	500,000	—	$5.0M
BHAVBhav Acquisition Corp	1.1%	—	493,719	—	$4.9M
XFLHXflh Capital Corp	1.1%	—	475,000	—	$4.7M
IRHOIron Horse Acquisit II Corp	1.1%	1.3%	470,000	+0.0%	$4.7M
NMPNmp Acquisition Corp	1.1%	1.3%	450,000	+0.0%	$4.6M
GUACUBerto Acquisition Corp II	1.1%	—	450,000	—	$4.5M
BRKHUBurtech Acquisition Corp II	0.9%	—	400,000	—	$4.0M
LTGRULong Table Growth Corp	0.9%	—	400,000	—	$4.0M
FERAFifth Era Acquisition Corp I	0.8%	1.0%	350,000	+0.0%	$3.6M
AACIArmada Acquisition Corp III	0.8%	—	365,000	—	$3.6M
EMISEmmis Acquisition Corp.	0.8%	1.0%	350,000	+0.0%	$3.6M
EMPDEmpery Digital Inc	0.8%	1.2%	989,000	-1.1%	$3.5M
FXACUFortunex Acquisition Corp	0.8%	—	350,000	—	$3.5M
TWLVTwelve Seas Invt Co III	0.8%	1.0%	350,000	+0.0%	$3.5M
FSHPFlag Ship Acquisition Corp	0.8%	0.9%	296,443	-2.0%	$3.3M
FWACUFuturewave Acquisition Corp	0.8%	—	325,000	—	$3.3M
COPLCopley Acquisition Corp	0.7%	0.9%	300,000	+0.0%	$3.1M
AIIAAi Infrastructure Acquisi	0.7%	0.8%	300,000	+0.0%	$3.1M
NBRGNewbridge Acquisition Ltd	0.7%	—	300,000	—	$3.0M
WPRTWestport Fuel Systems Inc	0.7%	—	1,325,121	—	$3.0M
FMACFuture Money Acquisition Corp	0.7%	—	300,000	—	$3.0M
VECAVernal Capital Acquisition Corp	0.7%	—	300,000	—	$3.0M
HCICHennessy Cap Invts Corp Viii	0.7%	—	300,000	—	$3.0M
CMPSCompass Pathways PLC	0.7%	2.3%	205,932	-86.2%	$2.9M
PTACUPatriot Acquisition Corp	0.6%	—	280,000	—	$2.8M
PLMKPlum Acquisition Corp IV	0.6%	0.7%	249,569	-0.2%	$2.7M
FVNFuture Vision II Acquisition C	0.6%	1.0%	240,103	-26.1%	$2.6M
TVAIThayer Ventures Acq Corp II	0.6%	0.7%	250,000	+0.0%	$2.6M
ORIQOrigin Invt Corp I	0.6%	0.7%	249,900	+0.0%	$2.6M
OBAOxley Bridge Acq Ltd	0.6%	0.7%	250,000	+0.0%	$2.6M

What Heights Capital Management, Inc 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

No position grew by more than 5%.

Reduced

CMPS Compass Pathways PLC-86.2% shares
FVN Future Vision II Acquisition C-26.1% shares

Left the top 50

SLDP Solid Power Incwas 10.4%
IONQ IonQ, Inc.was 6.6%
LAES Sealsq Corpwas 2.3%
FGMC Fg Merger II Corpwas 2.2%
PONOU Pono Cap Four Incwas 1.5%
MBAVU M3-Brigade Acquisition V-Awas 1.5%
BHAVU Bhav Acquisition Corpwas 1.4%
Xflh Cap Corpwas 1.3%

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: -28.5% /yr; S&P 500 +20.1%
3 years: —
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
Q2 2026	$433.1M	323
Q1 2026	$357.1M	264
Q4 2025	$264.2M	191
Q3 2025	$303.9M	179
Q2 2025	$311.3M	157
Q1 2025	$196.1M	125
Q4 2024	$187.0M	142
Q3 2024	$126.8M	137

Questions about Heights Capital Management, Inc's portfolio

What stocks does Heights Capital Management, Inc own?

Heights Capital Management, Inc's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 323 positions worth $433.1M. The largest are Flutter Entmt PLC (FLUT) at 6.9%, Amc Entmt Hldgs Inc (AMC) at 5.5%, Meiragtx Hldgs PLC (MGTX) at 2.7%, Taysha Gene Therapies Inc (TSHA) at 2.4% and Starlink Ai Acquisition Corp at 2.3%.

What did Heights Capital Management, Inc buy last quarter?

Heights Capital Management, Inc opened no new positions and grew none by more than 5% among its largest holdings in Q2 2026.

What did Heights Capital Management, Inc sell last quarter?

In Q2 2026, Heights Capital Management, Inc cut from its top 50 Solid Power Inc (SLDP), cut from its top 50 IonQ, Inc. (IONQ), cut from its top 50 Sealsq Corp (LAES), cut from its top 50 Fg Merger II Corp (FGMC), cut from its top 50 Pono Cap Four Inc (PONOU), Compass Pathways PLC (CMPS) (-86.2% shares) and Future Vision II Acquisition C (FVN) (-26.1% shares), compared with its Q1 2026 filing.

When is Heights Capital Management, Inc's next 13F filing due?

13F filings are due 45 days after each quarter ends. Heights Capital Management, Inc's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.