Daily SPAC: GUAC, IDAC IPOs Add $400M in SPAC Capital – May 15, 2026

by | May 15, 2026

2 SPAC IPOs priced today, with Berto Acquisition Corp. II (GUAC) raising $250M and Iron Dome Acquisition I Corp (IDAC) raising $150M; IDAC funded trust at 100.5% of par. May MTD totals 9 IPOs / $1,425M through 15 days vs. 5 / $725M over the same span last month. Separately, RAAQ advanced its IQM merger with an F-4 filing.

SPAC IPO Update

SPAC IPO Count

Monthly IPOs (last 13 months)
Latest: 9Prior: 16MoM: -7
22
May ’25
10
Jun ’25
13
Jul ’25
8
Aug ’25
14
Sep ’25
14
Oct ’25
10
Nov ’25
22
Dec ’25
24
Jan ’26
27Peak
Feb ’26
11
Mar ’26
16
Apr ’26
9
May ’26
Source: Boardroom Alpha
IPO Activity Snapshot2 SPAC IPOs today raising $400M · GUAC ($250M), IDAC ($150M)
Month-to-date: 9 IPOs ($1.43B) vs. first 15 days of last month 5 ($725M) · 12-mo avg: 15.9/mo

SPAC IPO: Berto Acquisition Corp. II (GUAC)
Ticker: GUAC (Units: GUACU) · Size: $250M · Sponsor: Berto Acquisition Sponsor II LLC

Berto Acquisition Corp. II priced its $274M IPO on May 14, 2026, and trades on Nasdaq under GUACU. The SPAC is sponsored by Harry You, who has a history of successful SPACs, including dMY Technology Group and GTY Technology Holdings. It targets opportunities in AI and the AI infrastructure and supply chain ecosystem.

Leadership:
  • Constance K Weaver (Director): served as Chief Marketing Officer at Equitable Holdings and TIAA, with extensive board experience.
  • Darla Anderson (Director): Academy Award-winning producer with experience at Pixar and Netflix.
  • Robert You (CFO): previously an Investment Banking Analyst at J.P. Morgan.
  • Sam Lynn (Director): partnered at financial advisory firms WilliamsMarston and Chord Advisors.
  • Vikas Mittal (Director): Executive Chairman with nearly two decades of SPAC experience, previously at Meteora.

Structure: 27.4M units at $10.00 per unit. Each unit consists of one ordinary share and one-third of a warrant. Needham & Company is the sole book-running manager.

SPAC IPO: Iron Dome Acquisition I Corp (IDAC)
Ticker: IDAC · Size: $150M · Sponsor: Iron Dome Acquisition I Parent LLC

Iron Dome Acquisition I Corp. aims to identify Israeli technology companies in cyber, defense tech, AI, and data sectors for U.S. public market entry. The SPAC seeks companies ready for public scrutiny and with strong governance.

Leadership:
  • Tom Y Livne (Director): founded Verbit, leading it to a $2B valuation, with extensive AI company-building experience.
  • David G Dewalt (Director): Founder and CEO of NightDragon Security; former CEO of McAfee and FireEye.
  • Eyal Waldman (Director): co-founded Mellanox Technologies, acquired by NVIDIA for $6.9B.
  • Matthew J Norden (Director): served as CFO at 2U, Inc., overseeing $2B in financings and transformative acquisitions.
  • Paul Thomas Hodermarsky (Director): 17 years in capital markets, currently at Elizabeth Park Capital Management.

Structure: Units priced at $10.00 each, consisting of one Class A ordinary share and one-half of a redeemable warrant. ARC Group Securities LLC and D. Boral Capital LLC provided advisory services.

New SPAC IPOs
Date Ticker Issuer IPO Size Trust Funding
May 15 GUAC Berto Acquisition Corp. II $250M 100.0%
May 15 IDAC Iron Dome Acquisition I Corp. $150M 100.5%
May 14 GSRV GSR V Acquisition Corp. $200M 100.0%
May 13 BREZ Breeze Acquisition Corp. II $125M 100.2%
May 08 OTAI STARLINK AI ACQUISITION CORP $100M 100.5%
May 07 SAGU SHREYA ACQUISITION GROUP $100M  $10M overallotment 100.0%
May 06 VECA VERNAL CAPITAL ACQUISITION CORP $100M 100.5%
Source: Boardroom Alpha

Daily SPAC Update

SPAC VOTE RESULTS
CANTOR EQUITY PARTNERS III INC (CAEP) * Deal Approved with Air22,373,640 redeemed · $233,804,538 removed · trust $10.45

SPAC DEAL & EXTENSION VOTES SET
Mountain Lake Acquisition Corp (MLAC) * DEAL VOTE SET: Jun 04, 2026 * trust $10.58
Perceptive Capital Solutions Corp (PCSC) * EXTENSION VOTE SET: Jun 10, 2026 * trust $10.78

SEPARATE WARRANTS/RIGHTS
May 20: RRE VENTURES ACQUISITION CORP (RREV)
May 19: VERNAL CAPITAL ACQUISITION CORP (VECA)
May 18: INFLECTION POINT ACQUISITION CORP VI (IPFX)
May 15: MAYWOOD ACQUISITION CORP 2 (MYX)

OTHER SPAC NEWS
QUARTZSEA ACQUISITION CORP (QSEA) * Merger Agreement
REAL ASSET ACQUISITION CORP (RAAQ) * F-4 FiledIQM and RAAQ advance merger; Form F-4 filed and proxy materials for the vote are in progress.
CANTOR EQUITY PARTNERS I INC (CEPO) * S-4 FiledPubco’s business combination with CEPO/Newco advances; Form S-4 filed and proxy materials to be circulated.

SPAC DEALS ANNOUNCED
May 13 | Quartzsea Acquisition Corp (QSEA) + Eight Directions Technology LimitedEight Directions Technology Limited operates through its subsidiary in Los Angeles, providing customized disposable products, particularly PET cups, lids, and related packaging. It utilizes vertically integrated material sourcing and automated production systems to ensure quality and efficiency. The company serves brand owners, distributors, and foodservice operators, offering both standard and customized solutions to meet market demands.

SPAC Executive & Director Moves

SPAC Executive & Director Moves
Company Ticker Moves
FIFTH ERA ACQUISITION CORP I FERA
  • On May 8, 2026, Christopher Linn resigned as CFO and Christopher Nelson was appointed as the new CFO of Fifth Era Acquisition Corp I.  (view source)
Source: SEC EDGAR filings via Boardroom Alpha

SPAC Movers

YESTERDAY’S TOP SPAC GAINERS
Company Ticker Change Price Stage
RISING DRAGON ACQUISITION CORP RDAC 5.3% $ 8.55 Announced
GENERAL PURPOSE ACQUISITION CORP GPAC 4.4% $ 11.35 Pre-Deal
CANTOR EQUITY PARTNERS III INC CAEP 4.3% $ 12.49 Announced
SIM ACQUISITION CORP I SIMA 4.1% $ 11.45 Pre-Deal
ASPAC III ACQUISITION CORP ASPC 2.0% $ 11.53 Announced
YESTERDAY’S TOP SPAC LOSERS
Company Ticker Change Price Stage
GIGCAPITAL7 CORP GIG -11.2% $ 4.98 Announced
VOYAGER ACQUISITION CORP VACH -4.6% $ 10.14 Announced
AIMEI HEALTH TECHNOLOGY CO LTD AFJK -2.3% $ 40.20 Announced
STONEBRIDGE ACQUISITION II CORP APAC -2.0% $ 11.43 Pre-Deal
AMERICAN EXCEPTIONALISM ACQUISITION CORP A AEXA -0.9% $ 11.60 Pre-Deal
Source: Boardroom Alpha market data

Recent Analysis

Daily SPAC: SIMA, CAEP-Air Redemptions – May 14, 2026

SIM Acquisition I (SIMA) lost $242M from trust on its extension approval to Jul. 12, 2027, and Cantor Equity Partners III (CAEP) cleared its Air deal after $234M in redemptions. Separately, GSR V Acquisition (GSRV) priced a $200M IPO, taking May MTD to 7 SPAC IPOs / $1,025M through 14 days.

Daily SPAC: BREZ $125M IPO, GPAT Non-Redemption Agreements – May 13, 2026

GP-ACT III Acquisition (GPAT) disclosed non-redemption agreements tied to extension and trust-amendment votes, with investors pledging support and no redemptions alongside sponsor share transfers. Breeze Acquisition Corp. II (BREZ) priced a $125M IPO today with 100.2% initial trust funding; May MTD is 6 IPOs for $825M through 13 sessions vs. 2 IPOs / $350M at the same point last month.

Daily SPAC: CAEP Forward Purchase, AIR-Pubco – May 12, 2026

Cantor Equity Partners III (CAEP) announced a forward purchase with Harraden Circle to fund the CAEP-AIR-Pubco business combination. Columbus Acquisition (COLA) issued a convertible extension note to WISeSat.Space. MTD: 5 SPAC IPOs raised $700M through the first 12 sessions of May vs. 2 IPOs / $350M over the same span in April.

Daily SPAC Update – May 11, 2026

Risking Dragon (RDAC) extension vote set. Flag Ship enters letter of intent with Bluechip. Alchemy Investments to delist and move to OTC on May 14.

Daily SPAC Update – May 8, 2026

Starlink AI Acquisition Corp (OTAI) launched its $100 million IPO today, marking the fifth SPAC IPO this month, raising a total of $800 million. APAD DeSPACs to Enhanced Ltd. Meanwhile, GigCapital7 Corp (GIG) secured non-redemption waivers to support its merger with Hadron Energy, while Climatetrock (CLRCF) extended its deadline to November 2026 with $59,922 removed from trust.

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