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ISSUER PROFILE · CIK 0002088256 · CUSIP Y4000A102

Horizon Quantum Holdings Ltd.HQWWW

3 13D/G filings 3 distinct filers 20 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
+65.8%
avg +65.8%
Median 60d
+16.4%
avg +16.4%
Median 90d
+440.9%
avg +440.9%
Median 180d
+224.4%
avg +224.4%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
3
2 SCHEDULE 13D · 1 SCHEDULE 13G
Distinct filers
3
multi-activist cluster
Insiders (365d)
20
12 buys · 4 sales
Latest short DTC
2.35
as of 2026-10-15

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
2026-07-09 SCHEDULE 13D Peak XV Partners Seed Investment 20.30% 6,468,999 view →
2026-06-25 SCHEDULE 13G ICS OPPORTUNITIES, LTD. — — view →
2026-04-01 SCHEDULE 13D IonQ, Inc. 13.30% 4,230,118 view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-09-12 Fitzsimons Catherine Michele officer Option exercise 2,148 — —
2026-09-12 Fitzsimons Catherine Michele officer Disposition 1,122 $15.22 $17K
2026-09-12 Gould Greg officer Option exercise 3,437 — —
2026-09-12 Gould Greg officer Disposition 1,272 $15.22 $19K
2026-09-12 Tan Si-Hui officer Option exercise 5,728 — —
2026-09-12 Tan Si-Hui officer Disposition 2,991 $15.22 $46K
2026-09-12 Fitzsimons Joseph Francis director, officer, 10%+ Option exercise 14,321 — —
2026-09-12 Fitzsimons Joseph Francis director, officer, 10%+ Disposition 3,438 $15.22 $52K
2026-08-20 Tan Si-Hui officer Award 3,600 — —
2026-06-12 Fitzsimons Catherine Michele officer Award 34,372 — —
2026-06-12 Gould Greg officer Award 54,995 — —
2026-06-12 Tan Si-Hui officer Award 91,659 — —
2026-06-12 Fitzsimons Joseph Francis director, officer, 10%+ Award 229,148 — —
2026-03-19 Lambert Danielle director Buy 84,602 $11.82 $1000K
2026-03-19 Tan Si-Hui officer Award 500,000 $0.15 $75K
2026-03-19 Gould Greg officer Award 285,300 $5.13 $1.46M
2026-03-19 Fitzsimons Joseph Francis director, officer, 10%+ Award 19,744,585 — —
2026-03-19 You Harry L. director, 10%+ Award 1,163,484 — —
2026-03-19 You Harry L. director, 10%+ Award 2,884,660 $11.50 $33.17M
2026-03-19 Tan Si-Hui officer Award 55,000 $2.88 $158K

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 24,327 2.35 +118.2%
2026-09-30 11,151 1.00 -4.7%
2026-09-15 11,698 1.00 -42.0%
2026-08-31 20,167 1.00 +83.3%
2026-08-14 10,999 1.00 -41.6%
2026-07-31 18,850 1.00 +43737.2%
2026-07-15 43 1.00 -98.3%
2026-06-30 2,532 1.00 -38.7%
2026-06-15 4,132 1.00 -43.5%
2026-05-29 7,317 1.00 +31.3%
2026-05-15 5,573 1.00 -56.9%
2026-04-30 12,924 1.00 +233.7%

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