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Institutional Ownership · SEC Form 13F

Who owns LightWave Acquisition Corp. (LWAC)


Which tracked institutional funds hold LWAC, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See LWAC company fundamentals →

Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-15). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

111
Institutional holders
30M
Shares held (tracked funds)

How the tape is positioned

13 tracked funds added or opened LWAC while 13 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.

A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.

Conviction spread

LWAC’s largest tracked holder by dollar value, Harraden Circle Investments, LLC, sizes it at 1.1% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 1.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in LWAC divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.

Institutional & insider positioning

Between 2025-Q4 and 2026-Q1, across 72 tracked filers holding LWAC, 20 increased or opened the position and 19 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.

This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.

New buyers & exits

Funds opening or closing a position in LWAC between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.

New buyers 5

  • Harraden Circle Investments, LLC$135M
  • Karpus Management, Inc.$5M
  • SONA ASSET MANAGEMENT (US) LLC$2M
  • Kepos Capital LP$822K
  • Parallax Volatility Advisers, L.P.$653K

Full exits 1

  • STEADFAST CAPITAL MANAGEMENT LP$765K

Largest adds

  • Lepercq De Neuflize Asset Management LLC$2M
  • ARISTEIA CAPITAL, L.L.C.$2M
  • Hudson Bay Capital Management LP$1M
  • GLAZER CAPITAL, LLC$1M
  • MIZUHO SECURITIES USA LLC$955K
  • BNP PARIBAS FINANCIAL MARKETS$473K

Largest trims

  • TENOR CAPITAL MANAGEMENT Co., L.P.$15M
  • METEORA CAPITAL, LLC$8M
  • HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$7M
  • CITADEL ADVISORS LLC$2M
  • TORONTO DOMINION BANK$1M
  • K2 PRINCIPAL FUND, L.P.$1M

Institutional holders

One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).

FundSharesReported value% of valueQuarter
Harraden Circle Investments, LLC new540,601$135M31.2%2026-Q1
TENOR CAPITAL MANAGEMENT Co., L.P. trimmed500,000$120M27.7%2026-Q1
Lepercq De Neuflize Asset Management LLC added53,640$13M3.0%2026-Q1
D. E. Shaw & Co., Inc.1,067,343$11M2.5%2026-Q1
Magnetar Financial LLC1,022,800$10M2.4%2026-Q1
AQR Arbitrage LLC added1,025,556$10M2.4%2026-Q1
LMR Partners LLP900,000$9M2.1%2026-Q1
Westchester Capital Management, LLC819,872$8M1.9%2026-Q1
Alberta Investment Management Corp750,000$8M1.8%2026-Q1
TWO SIGMA INVESTMENTS, LP679,687$7M1.6%2026-Q1
Radcliffe Capital Management, L.P. added564,160$6M1.3%2026-Q1
MILLENNIUM MANAGEMENT LLC550,000$6M1.3%2026-Q1
Karpus Management, Inc. new516,600$5M1.2%2026-Q1
MANGROVE PARTNERS IM, LLC486,900$5M1.1%2026-Q1
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS added400,000$4M0.9%2026-Q1
Periscope Capital Inc. added400,000$4M0.9%2026-Q1
GLAZER CAPITAL, LLC added390,179$4M0.9%2026-Q1
BNP PARIBAS FINANCIAL MARKETS added378,550$4M0.9%2026-Q1
ARISTEIA CAPITAL, L.L.C. added375,000$4M0.9%2026-Q1
Ghisallo Capital Management LLC325,000$3M0.8%2026-Q1
TIG Advisors, LLC315,406$3M0.7%2026-Q1
MMCAP International Inc. SPC250,000$3M0.6%2026-Q1
Schonfeld Strategic Advisors LLC added250,300$3M0.6%2026-Q1
HGC Investment Management Inc.245,500$3M0.6%2026-Q1
Centiva Capital, LP added225,000$2M0.5%2026-Q1
Mint Tower Capital Management B.V.200,000$2M0.5%2026-Q1
SONA ASSET MANAGEMENT (US) LLC new199,100$2M0.5%2026-Q1
CITADEL ADVISORS LLC trimmed179,051$2M0.4%2026-Q1
METEORA CAPITAL, LLC150,000$2M0.4%2026-Q1
WOLVERINE ASSET MANAGEMENT LLC added148,570$2M0.3%2026-Q1
Logan Stone Capital, LLC added147,085$1M0.3%2026-Q1
MIZUHO SECURITIES USA LLC added139,629$1M0.3%2026-Q1
Calamos Advisors LLC123,208$1M0.3%2026-Q1
NEXPOINT ASSET MANAGEMENT, L.P.100,000$1M0.2%2026-Q1
683 Capital Management, LLC added100,000$1M0.2%2026-Q1
Context Capital Management, LLC100,000$1M0.2%2026-Q1
Kepos Capital LP new80,000$813K0.2%2026-Q1
L1 Global Manager Pty Ltd75,000$765K0.2%2026-Q1
Parallax Volatility Advisers, L.P. added64,110$653K0.2%2026-Q1
JPMORGAN CHASE & CO trimmed50,000$510K0.1%2026-Q1
HEIGHTS CAPITAL MANAGEMENT, INC50,000$510K0.1%2026-Q1
ABC ARBITRAGE SA35,000$357K0.1%2026-Q1
HRT FINANCIAL LP25,000$255K0.1%2026-Q1
Quarry LP24,500$249K0.1%2026-Q1
RLH Capital LLC new24,500$249K0.1%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC new17,873$182K0.0%2026-Q1
PenderFund Capital Management Ltd.10,196$103K0.0%2026-Q1
Verition Fund Management LLC trimmed372,516$89K0.0%2026-Q1
Linden Advisors LP350,000$88K0.0%2026-Q1
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND trimmed350,000$84K0.0%2026-Q1
Shaolin Capital Management LLC trimmed325,000$78K0.0%2026-Q1
CSS LLC/IL270,486$65K0.0%2026-Q1
Clear Street Group Inc. trimmed234,210$56K0.0%2026-Q1
MOORE CAPITAL MANAGEMENT, LP225,000$54K0.0%2026-Q1
TORONTO DOMINION BANK trimmed5,000$51K0.0%2026-Q1
Saba Capital Management, L.P.197,486$49K0.0%2026-Q1
OMERS ADMINISTRATION Corp trimmed187,500$47K0.0%2026-Q1
Polar Asset Management Partners Inc. trimmed178,750$43K0.0%2026-Q1
K2 PRINCIPAL FUND, L.P. added156,950$38K0.0%2026-Q1
Governors Lane LP150,000$38K0.0%2026-Q1
RIVERNORTH CAPITAL MANAGEMENT, LLC trimmed155,747$37K0.0%2026-Q1
Bulldog Investors, LLP trimmed128,593$31K0.0%2026-Q1
PICTON MAHONEY ASSET MANAGEMENT trimmed100,000$24K0.0%2026-Q1
BERKLEY W R CORP trimmed95,607$24K0.0%2026-Q1
Hudson Bay Capital Management LP trimmed75,000$18K0.0%2026-Q1
WHITEBOX ADVISORS LLC trimmed62,500$15K0.0%2026-Q1
DLD Asset Management, LP50,000$12K0.0%2026-Q1
GABELLI & Co INVESTMENT ADVISERS, INC. trimmed27,700$7K0.0%2026-Q1
GABELLI FUNDS LLC trimmed22,300$5K0.0%2026-Q1
UBS Group AG300$3K0.0%2026-Q1
MORGAN STANLEY added71$7190.0%2026-Q1
ROYAL BANK OF CANADA trimmed1,0000.0%2026-Q1
ATW SPAC MANAGEMENT LLC trimmed43,500$8M1.9%2025-Q3 stale
CLEAR STREET LLC new434,413$4M1.0%2025-Q2 stale
SOROS FUND MANAGEMENT LLC new200,000$2M0.5%2025-Q2 stale
HIGHBRIDGE CAPITAL MANAGEMENT LLC new200,000$2M0.5%2025-Q2 stale
StoneX Group Inc. new169,900$2M0.4%2025-Q2 stale
STEADFAST CAPITAL MANAGEMENT LP75,000$765K0.2%2025-Q4 stale
Crossingbridge Advisors, LLC new75,000$754K0.2%2025-Q2 stale
BCK Capital Management LP added68,875$692K0.2%2025-Q3 stale
Virtu Financial LLC trimmed44,454$447K0.1%2025-Q4 stale
PRELUDE CAPITAL MANAGEMENT, LLC new40,475$407K0.1%2025-Q2 stale
BOOTHBAY FUND MANAGEMENT, LLC trimmed29,000$291K0.1%2025-Q4 stale
READYSTATE ASSET MANAGEMENT LP new25,000$251K0.1%2025-Q2 stale
CONCOURSE FINANCIAL GROUP SECURITIES, INC. new00.0%2025-Q2 stale

Ownership over time

Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.

HoldersTotal shares

Reading this table

Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.

About 13F filings

A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.

Learn how to read institutional ownership