Mint Tower Capital Management B.V. — 13F Holdings & Portfolio
CIK 1666606 · latest 13F-HR filed 2026-08-18
Mint Tower Capital Management B.V. manages $871.4M in 13F-reported U.S. long-equity assets across 346 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are LITE (18.76%), LITE (9.88%), ECHO (7.64%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 77 new positions and exited 66; 42 existing positions rose in reported value and 106 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-18
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
3 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 54.2%Cumulative share of the portfolio held in the largest N positions.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- LUMENTUM HLDGS INC$29.1M +21.6%
- LUMENTUM HLDGS INC$16.0M +22.8%
- CORE SCIENTIFIC INC NEW$4.5M +113.4%
- HEICO CORP NEW$3.8M +4000.0%
- THE REALREAL INC$3.0M +169.7%
Top Trims
- ALIBABA GROUP HLDG LTD-$70.1M -54.1%
- PENUMBRA INC-$6.8M -81.1%
- CHART INDS INC-$6.4M -95.6%
- ECHOSTAR CORP-$4.4M -6.2%
- SILICON VY ACQUISITION CORP-$3.9M -93.6%
New Positions
- CYBERARK SOFTWARE LTD$12.5M
- ABONY ACQUISITION CORP I$8.9M
- HCM IV ACQUISITION CORP$5.0M
- ALDABRA 4 LQDTY OPP VEH INC$5.0M
- BREEZE ACQUISITION CORP II$5.0M
Exited Positions
- ISHARES BITCOIN TRUST ETF$46.3M
- BLOOM ENERGY CORP$26.8M
- CONFLUENT INC$25.4M
- SNOWFLAKE INC$25.3M
- STRATEGY INC$11.5M
Mint Tower Capital Management B.V. Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | LUMENTUM HLDGS INC | LITE | 55024UAF6 | $163.5M | 18.76% | 25,069,000 | PRN |
| 2 | LUMENTUM HLDGS INC | LITE | 55024UAD1 | $86.1M | 9.88% | 10,000,000 | PRN |
| 3 | ECHOSTAR CORP | ECHO | 278768AB2 | $66.6M | 7.64% | 21,229,000 | PRN |
| 4 | ALIBABA GROUP HLDG LTD | BABAF | 01609WBG6 | $59.5M | 6.83% | 50,500,000 | PRN |
| 5 | STRIDE INC | LRN | 86333MAA6 | $21.9M | 2.52% | 13,000,000 | PRN |
| 6 | CYBERARK SOFTWARE LTD | CYBR | 23248VAD7 | $12.5M | 1.43% | 7,500,000 | PRN |
| 7 | LAUNCH TWO ACQUISITION CORP. | LPBB | G5S87A105 | $10.5M | 1.21% | 980,000 | SH |
| 8 | SPDR SERIES TRUST Put | KRE | 78464A698 | $10.2M | 1.17% | 136,000 | SH |
| 9 | LAFAYETTE DIGITAL ACQUISITIO | ZKP | G5345D107 | $10.0M | 1.14% | 1,000,000 | SH |
| 10 | UBER TECHNOLOGIES INC | UBER | 90353T100 | $9.9M | 1.14% | 137,710 | SH |
| 11 | ART TECHNOLOGY ACQUISITION C | ARTC | G0579E103 | $9.9M | 1.14% | 1,000,000 | SH |
| 12 | ABONY ACQUISITION CORP I | AACO | G00582109 | $8.9M | 1.02% | 900,000 | SH |
| 13 | SILICON VY ACQUISITION CORP | SVAQ | G81306121 | $8.6M | 0.98% | 850,000 | SH |
| 14 | CORE SCIENTIFIC INC NEW | CORZW | 21874A114 | $8.4M | 0.97% | 448,512 | SH |
| 15 | HCM III ACQUISITION CORP | HCMA | G4365E103 | $7.7M | 0.88% | 750,000 | SH |
| 16 | NEWHOLD INVT CORP III | NHIC | G6486E102 | $7.6M | 0.87% | 700,000 | SH |
| 17 | UBER TECHNOLOGIES INC Put | UBER | 90353T100 | $7.2M | 0.83% | 100,000 | SH |
| 18 | SPDR SERIES TRUST Call | KRE | 78464A698 | $7.1M | 0.81% | 94,300 | SH |
| 19 | JACKSON ACQUISITION CO II | JACS | G4992A110 | $6.9M | 0.79% | 650,000 | SH |
| 20 | BLUEROCK ACQUISITION CORP | BLRK | G1352R105 | $6.5M | 0.74% | 650,000 | SH |
| 21 | GIGCAPITAL9 CORP | GIX | G3865B114 | $5.6M | 0.65% | 567,910 | SH |
| 22 | NORFOLK SOUTHN CORP | NSC | 655844108 | $5.3M | 0.61% | 17,000 | SH |
| 23 | TITAN ACQUISITION CORP | TACH | G8901A103 | $5.3M | 0.61% | 509,497 | SH |
| 24 | SILVER PEGASUS ACQUISITION C | SPEG | G8192J102 | $5.2M | 0.60% | 508,681 | SH |
| 25 | NEW PROVIDENCE ACQUISITION C | NPAC | G6476A102 | $5.2M | 0.60% | 500,000 | SH |
| 26 | OXLEY BRIDGE ACQ LTD | OBA | G6858G107 | $5.1M | 0.59% | 500,000 | SH |
| 27 | M3-BRIGADE ACQUISITION VI CO | MBVI | G63221108 | $5.1M | 0.58% | 500,000 | SH |
| 28 | EMMIS ACQUISITION CORP. | EMIS | G3037D105 | $5.1M | 0.58% | 500,000 | SH |
| 29 | HCM IV ACQUISITION CORP | HACQ | G4365S102 | $5.0M | 0.58% | 500,000 | SH |
| 30 | ALDABRA 4 LQDTY OPP VEH INC | ALOV | G01900102 | $5.0M | 0.57% | 500,000 | SH |
| 31 | BREEZE ACQUISITION CORP II | BREZ | G13227106 | $5.0M | 0.57% | 500,000 | SH |
| 32 | ILLUMINATION ACQUISITIO CORP | ILLU | G470AU100 | $5.0M | 0.57% | 500,000 | SH |
| 33 | WEBSTER FINL CORP | WBS | 947890109 | $4.9M | 0.57% | 64,764 | SH |
| 34 | GUIDEWIRE SOFTWARE INC | GWRE | 40171VAC4 | $4.8M | 0.55% | 5,000,000 | PRN |
| 35 | THE REALREAL INC | REAL | 88339PAJ0 | $4.8M | 0.55% | 3,399,000 | PRN |
| 36 | INFLECTION PT ACQUISITION CO | IPCX | G47875102 | $4.6M | 0.53% | 450,000 | SH |
| 37 | TALON CAP CORP | TLNC | G86652107 | $4.6M | 0.53% | 450,000 | SH |
| 38 | LAFAYETTE ACQUISITION CORP | LAFA | G53426105 | $4.5M | 0.52% | 450,000 | SH |
| 39 | NEWHOLD INVTS CORP IV | NHIV | G6486G107 | $4.5M | 0.52% | 450,000 | SH |
| 40 | BERTO ACQUISITION CORP | TACO | G1051H101 | $4.3M | 0.49% | 410,668 | SH |
| 41 | COHEN CIRCLE ACQUISIT CORP I | CCII | G2254C121 | $4.1M | 0.47% | 400,000 | SH |
| 42 | PIONEER ACQUISITION I CORP | PACH | G7117W107 | $4.1M | 0.47% | 400,000 | SH |
| 43 | GIGCAPITAL8 CORP | GIW | G3864J100 | $4.0M | 0.46% | 400,000 | SH |
| 44 | HEICO CORP NEW | HEI.A | 422806208 | $3.9M | 0.44% | 14,944 | SH |
| 45 | JANUS HENDERSON GROUP PLC | JHG | G4474Y214 | $3.8M | 0.44% | 73,750 | SH |
| 46 | NORTHWESTERN ENERGY GROUP IN | NWE | 668074305 | $3.8M | 0.43% | 52,422 | SH |
| 47 | SPRING VY ACQUISITION CORP I | SVIIW | G8377R101 | $3.6M | 0.41% | 350,898 | SH |
| 48 | ARCHIMEDES TECH SPAC PARTNER | ATII | G04537109 | $3.2M | 0.37% | 300,000 | SH |
| 49 | FIFTH ERA ACQUISITION CORP I | FERA | G3415K101 | $3.1M | 0.36% | 300,000 | SH |
| 50 | COLOMBIER ACQUISITION CORP I | CLBR | G2284A103 | $3.1M | 0.35% | 300,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-18 | $871.4M | 346 | 0001666606-26-000007 |
| 2026-03-31 | 2026-05-04 | $1.12B | 338 | 0001666606-26-000002 |
| 2025-12-31 | 2026-02-12 | $866.3M | 267 | 0001666606-26-000001 |
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