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Livermore
Livermore
ZHEN

Heights Capital Management, Inc

SEC CIK
0001081698
Latest filing
Aug 14, 2026

The latest 13F from Heights Capital Management, Inc covers Q2 2026 (filed Aug 14, 2026): 323 long positions worth $433.1M. The top 10 holdings make up 28.2% of the portfolio, and the largest is Flutter Entertainment plc (FLUT) at 6.9%. Livermore has 10 filings on Form 13F from this institution, going back to Q3 2024.

What changed in Q2 2026

Share counts compared with Q1 2026: how many positions were new, added to, reduced or sold out, and the biggest buys and sells. Dollar amounts are estimated at the quarter-end prices implied by the filing.

Full comparison
New
164
Est. +$249.5M
Added
1
Est. +$879.3K
Reduced
76
Est. −$20.9M
Sold out
105
Est. −$169.6M

Top 5 holdings

Share of this quarter's portfolio value

  1. FLUTFlutter Entertainment plc
    6.9%$30.1MHistory
  2. AMCAMC Entertainment Holdings, Inc.
    5.5%$24.0MHistory
  3. MGTXMeiraGTx Holdings plc
    2.7%$11.5MHistory
  4. TSHATaysha Gene Therapies, Inc.
    2.4%$10.2MHistory
  5. Starlink AI Acquisition CorpG8443M128
    2.3%$10.1M

Share of portfolio

Top 5 holdings and the other 318 positions, by share of portfolio value

  1. FLUT6.9%
  2. AMC5.5%
  3. MGTX2.7%
  4. TSHA2.4%
  5. Starlink AI Acquisition Corp2.3%
  6. Other 318 positions80.2%

Biggest buys

New and added positions, by estimated amount bought

  1. AMCAMC Entertainment Holdings, Inc.
    +$24.0MNewHistory
  2. MGTXMeiraGTx Holdings plc
    +$11.5MNewHistory
  3. TSHATaysha Gene Therapies, Inc.
    +$10.2MNewHistory
  4. Starlink AI Acquisition CorpG8443M128
    +$10.1MNew
  5. MTNECH4 Natural Solutions Corp
    +$7.88MNewHistory

Largest weight increases

New and added positions, by percentage points of the portfolio gained

  1. AMCAMC Entertainment Holdings, Inc.
    +5.53 pp0.0% → 5.5%History
  2. MGTXMeiraGTx Holdings plc
    +2.65 pp0.0% → 2.7%History
  3. TSHATaysha Gene Therapies, Inc.
    +2.36 pp0.0% → 2.4%History
  4. Starlink AI Acquisition CorpG8443M128
    +2.33 pp0.0% → 2.3%
  5. MTNECH4 Natural Solutions Corp
    +1.82 pp0.0% → 1.8%History

Biggest sells

Reduced and sold-out positions, by estimated amount sold

  1. SLDPSolid Power, Inc.
    −$37.2MSold outHistory
  2. IONQIonQ, Inc.
    −$23.5MSold outHistory
  3. CMPSCOMPASS Pathways plc
    −$18.2MReducedHistory
  4. LAESSEALSQ Corp
    −$8.22MSold outHistory
  5. BXBLBOXABL Inc.
    −$7.98MSold outHistory

Largest weight decreases

Reduced and sold-out positions, by percentage points of the portfolio lost

  1. SLDPSolid Power, Inc.
    −10.41 pp10.4% → 0.0%History
  2. IONQIonQ, Inc.
    −6.58 pp6.6% → 0.0%History
  3. LAESSEALSQ Corp
    −2.30 pp2.3% → 0.0%History
  4. BXBLBOXABL Inc.
    −2.23 pp2.2% → 0.0%History
  5. CMPSCOMPASS Pathways plc
    −1.64 pp2.3% → 0.7%History

Metrics

13F metrics for Q2 2026, computed only from the numbers in the filings. Definitions below.

Portfolio value
$433.1M
+$76.0M (+21.3%) vs. prior quarter
Positions
323
+59 vs. prior quarter
Top 10 concentration
28.2%
Top 10 as share of value
Turnover
48.2%
Q2 2026, one quarter
Average holding period
2.4 quarters
Weighted by value

How these are calculated

  • Portfolio value: the market value of all long positions in the 13F, as reported at quarter end, excluding options.
  • Top 10 concentration: the combined value of the 10 largest positions as a share of portfolio value.
  • Turnover: the smaller of this quarter's estimated purchases and estimated sales, divided by the average of this and last quarter's portfolio value. Estimates multiply the change in shares by the quarter-end price implied by the filing (market value divided by shares); new positions use this quarter's value and sold-out positions last quarter's. Only positions reported in shares count, and it is not calculated when the previous quarter was not filed.
  • Average holding period: how many consecutive quarters each current position has been held (including this one; a quarter without the position or without a filing starts the count over), weighted by this quarter's value. Counting starts with the first 13F in Livermore (Q3 2024), so positions held before then are understated.

13F filings by quarter

8 quarters, going back to Q3 2024. Bars show each quarter's 13F portfolio value; quarters without a filing are left blank.

Peak $433.1M (Q2 2026)

Q3 2024: $134.8MQ4 2024: $201.3MQ1 2025: $208.9MQ2 2025: $319.6MQ3 2025: $314.6MQ4 2025: $264.2MQ1 2026: $357.1MQ2 2026: $433.1M
Q3 2024Q2 2026
13F filings of Heights Capital Management, Inc by quarter
QuarterFiledPositionsValueTop 3 holdingsChangesFiling
Q2 2026Aug 14, 2026323$433.1MFLUTAMCMGTXvs. Q1 2026SEC
Q1 2026May 15, 2026264$357.1MSLDPFLUTIONQvs. Q4 2025SEC
Q4 2025Feb 17, 2026191$264.2MFLUTBXBLJACSvs. Q3 2025SEC
Q3 2025Nov 18, 2025Amended180$314.6MFLUTIBRXNNEvs. Q2 2025SEC
Q2 2025Aug 14, 2025158$319.6MFLUTACHRNAvs. Q1 2025SEC
Q1 2025May 14, 2025127$208.9MFLUTPLUGOatly Group ABvs. Q4 2024SEC
Q4 2024Feb 14, 2025144$201.3MFLUTNNEONDSvs. Q3 2024SEC
Q3 2024Nov 14, 2024138$134.8MFLUTOatly Group ABSOC–SEC

13D and 13G filings

Companies where Heights Capital Management, Inc reports owning 5% or more on Schedule 13D or 13G, and its latest filings.

Current stakes of 5% or more

Heights Capital Management, Inc does not currently report owning 5% or more of any company.

Latest filings

141 filings on file made by Heights Capital Management, Inc or listing it as a reporting person; the latest 20 are shown.

Schedule 13D and 13G filings by Heights Capital Management, Inc
CompanyFiled (ET)FilerFormStakeChangeEvent dateFiling
OTLKOutlook Therapeutics, Inc.Aug 19, 20261:46 PM ETCVI Investments, Inc.and 1 other13G9.90%24.7M sharesNewAug 12, 2026SEC
SLDPSolid Power, Inc.Aug 14, 20262:44 PM ETCVI Investments, Inc.and 1 other13G/A9.90%25.2M shares0.00 ppfrom 9.90%Jun 30, 2026SEC
SCYXScynexis IncAug 14, 20262:44 PM ETCVI Investments, Inc.and 1 other13G/A5.90%615.5K shares−0.30 ppfrom 6.20%Jun 30, 2026SEC
NYXHNyxoah SAAug 14, 20262:44 PM ETCVI Investments, Inc.and 1 other13G/A9.90%11.0M shares0.00 ppfrom 9.90%Jun 30, 2026SEC
NBRGUNewbridge Acquisition LtdAug 14, 20262:44 PM ETCVI Investments, Inc.and 1 other13G/A4.90%300.0K shares−0.70 ppfrom 5.60%Below 5%Jun 30, 2026SEC
HTCOHigh-Trend International GroupAug 14, 20262:43 PM ETCVI Investments, Inc.and 1 other13G/A0.00%0 shares−6.40 ppfrom 6.40%Below 5%Jun 30, 2026SEC
ELPWElong Power Holding Ltd.Aug 14, 20262:43 PM ETCVI Investments, Inc.and 1 other13G/A9.90%724.6K shares0.00 ppfrom 9.90%Jun 30, 2026SEC
DPRODraganfly Inc.Aug 14, 20262:43 PM ETCVI Investments, Inc.and 1 other13G/A4.90%1.95M shares−2.20 ppfrom 7.10%Below 5%Jun 30, 2026SEC
CTXRCitius Pharmaceuticals, Inc.Aug 14, 20262:42 PM ETCVI Investments, Inc.and 1 other13G/A9.90%3.01M shares0.00 ppfrom 9.90%Jun 30, 2026SEC
CRVOCervoMed Inc.Aug 14, 20262:42 PM ETCVI Investments, Inc.and 1 other13G/A0.00%0 shares−5.50 ppfrom 5.50%Below 5%Jun 30, 2026SEC
BXBLBOXABL Inc.Aug 14, 20262:42 PM ETCVI Investments, Inc.and 1 other13G/A0.00%0 shares−7.70 ppfrom 7.70%Below 5%Jun 30, 2026SEC
BNGOBionano Genomics, Inc.Aug 14, 20262:42 PM ETCVI Investments, Inc.and 1 other13G/A9.90%1.31M shares0.00 ppfrom 9.90%Jun 30, 2026SEC
APVOAptevo Therapeutics Inc.Aug 14, 20262:41 PM ETCVI Investments, Inc.and 1 other13G/A6.30%83.9K shares−1.90 ppfrom 8.20%Jun 30, 2026SEC
MBRXMoleculin Biotech, Inc.Aug 10, 20266:37 PM ETCVI Investments, Inc.and 1 other13G9.90%1.86M sharesNewJul 31, 2026SEC
EWAVEast West Ave Acquisition Corp.Aug 7, 20261:22 PM ETCVI Investments, Inc.and 1 other13G7.00%900.0K sharesNewJul 31, 2026SEC
CISSC3is Inc.Aug 3, 20263:00 PM ETCVI Investments, Inc.and 1 other13G9.90%1.22M sharesNewJul 27, 2026SEC
CALCCalciMedica, Inc.Jul 20, 20265:32 PM ETCVI Investments, Inc.and 1 other13G5.10%1.56M sharesNewJun 23, 2026SEC
WPRTWestport Fuel Systems Inc.Jun 29, 20269:59 AM ETCVI Investments, Inc.and 1 other13G9.90%1.93M sharesNewJun 22, 2026SEC
CRVOCervoMed Inc.Jun 26, 202610:00 AM ETCVI Investments, Inc.and 1 other13G5.50%750.0K sharesNewJun 18, 2026SEC
ELPWElong Power Holding Ltd.May 22, 202610:47 AM ETCVI Investments, Inc.and 1 other13G9.90%312.3K sharesNewMay 15, 2026SEC