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HQ · Horizon Quantum Holdings Ltd.
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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HQ

Horizon Quantum Holdings Ltd.
SOFTWARE & IT · SERVICES-COMPUTER PROGRAMMING SERVICES · CIK 0002088256
ACTIVIST 13D☆ WATCH
INSIDER NET · 180D
-
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
31
13F, latest reported quarter
REVENUE GROWTH
-
XBRL, annual
NET MARGIN
-
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
no Form 4 purchases or sales on file
CONGRESS
no member of Congress has reported trading it
FUNDS
31 funds added or opened last quarter
below 71% of Software & IT
REVENUE
no revenue reported in any filing
MARGIN
no margin: this company reports no revenue to divide by
BUYBACKS
no share repurchases reported
SHORT
3.3 days to cover · settled 2026-07-31
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
31 funds added or opened positions in the latest 13F quarter, of 43 holders.
Peak XV Partners Seed Investment disclosed a 5%+ stake (20.3%) in the last six months.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +60.3%
+60.3%12M
-15%+86%+188%+290%2026-032026-042026-052026-062026-072026-082026-09 2026-07-09 · Peak XV Partners Seed Investment filed a 5%+ stake (20.3%)2026-07-09 · Peak XV Partners Seed Fund I Ltd filed a 5%+ stake (20.3%)2026-07-09 · Peak XV Partners Principals Seed Fund I Ltd filed a 5%+ stake (20.3%)2026-07-09 · Peak XV Partners Seed Management I Ltd filed a 5%+ stake (20.3%)2026-04-01 · IonQ, Inc. filed a 5%+ stake (13.3%)2026-03-31 · Joseph Francis Fitzsimons filed a 5%+ stake (38.3%)2026-03-20 · Harry L. You filed a 5%+ stake (11.8%)2026-03-20 · dMY Squared Sponsor, LLC filed a 5%+ stake (11.6%)
INSIDER SELL13D/G STAKE
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
An activist crossed the 5% line with declared intent.
The record shows 31 funds added last quarter. Every figure is a federal filing, dated the day it became public.
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

No insider purchases or sales are on record for Horizon Quantum Holdings Ltd. in the period covered. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Lambert Danielle
Director
BUY
2026-03-19
84,602.0
$1,000.0K
1 TRANSACTION ON RECORD · THIN RECORD, READ IT AS SUCH

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Institutional holders
13F · holdings as of the latest quarter funds have reported
Peak XV Partners Operations LLC
6,351,095.0 sh
$176.3M
Defiance ETFs, LLC
5,582,526.0 sh
$150.9M
Data Collective IV GP, LLC
915,198.0 sh
$25.4M
UBS Group AG
246,782.0 sh
$6.8M
National Philanthropic Trust
231,520.0 sh
$6.4M
5%+ owners
13D = intent to influence · 13G = passive
Peak XV Partners Seed Investment
ACTIVIST 13D · 2026-07-09
20.3%
Peak XV Partners Seed Fund I Ltd
ACTIVIST 13D · 2026-07-09
20.3%
Peak XV Partners Principals Seed Fund I Ltd
ACTIVIST 13D · 2026-07-09
20.3%
Peak XV Partners Seed Management I Ltd
ACTIVIST 13D · 2026-07-09
20.3%
IonQ, Inc.
ACTIVIST 13D · 2026-04-01
13.3%
FORM 144
No planned-sale notices
No insider has notified an intent to sell. This is the panel to watch after a run-up.
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

SEC FORM 4FORM 13F 13D/GFORM 144XBRL STOCK ACTCONTRACTSFEC CFPBNRC
© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →