13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0002110105 · CUSIP 74768A104

Quantinuum Inc.QNT

4 13D/G filings 4 distinct filers 25 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
4
4 SCHEDULE 13G
Distinct filers
4
multi-activist cluster
Insiders (365d)
25
24 buys · 0 sales
Latest short DTC
2.38
as of 2026-09-30

Institutional Consensus · 2026-06-30

Held by elite portfolio managers
1 holder · $25.02M
Viking Global

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2026-10-06 SCHEDULE 13G CITADEL ADVISORS LLC — — view →
2026-07-17 SCHEDULE 13G BlackRock Portfolio Management LLC — — view →
2026-07-06 SCHEDULE 13G Capital World Investors — — view →
2026-06-22 SCHEDULE 13G Cambridge Quantum Holdings Ltd — — view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-05 Narang Prineha director Buy 200 $60.00 $12K
2026-06-05 JIMENEZ JOSEPH director Buy 66,665 $60.00 $4.00M
2026-06-05 SHARAN NITESH officer Buy 6,500 $60.00 $390K
2026-06-05 Barron Hal director Buy 250,000 $60.00 $15.00M
2026-06-05 Branderiz Eric director Buy 8,334 $60.00 $500K
2026-06-05 Kapur Vimal director Buy 13,000 $60.00 $780K
2026-06-05 Stepniak Michal director Buy 13,333 $60.00 $800K
2026-06-05 Dehoff Kevin Scott officer Buy 15,000 $60.00 $900K
2026-06-05 Daugherty Paul R. director Buy 4,000 $60.00 $240K
2026-06-05 DENMAN KENNETH D director Buy 14,000 $60.00 $840K
2026-06-05 BHATIA MANISH H director Buy 20,000 $60.00 $1.20M
2026-06-04 Narang Prineha director Award 5,833 — —
2026-06-04 JIMENEZ JOSEPH director Award 5,833 — —
2026-06-04 SHARAN NITESH officer Award 44,548 — —
2026-06-04 Barron Hal director Award 5,833 — —
2026-06-04 Branderiz Eric director Award 5,833 — —
2026-06-04 Daugherty Paul R. director Award 5,833 — —
2026-06-04 DENMAN KENNETH D director Award 5,833 — —
2026-06-04 BHATIA MANISH H director Award 5,833 — —
2026-06-04 Hazra Rajeeb director, officer Award 78,333 — —
2026-06-03 SHARAN NITESH officer Award 289,798 — —
2026-06-03 Dehoff Kevin Scott officer Award 111,460 — —
2026-06-03 Hazra Rajeeb director, officer Award 1,042,561 — —
2026-06-03 Hazra Rajeeb director, officer F 336,389 $60.00 $20.18M
2026-06-03 Hazra Rajeeb director, officer Award 122,791 $60.00 $7.37M

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-09-30 5,337,210 2.38 +43.7%
2026-09-15 3,715,253 2.46 +29.1%
2026-08-31 2,876,958 2.25 +5.7%
2026-08-14 2,723,095 1.56 -0.6%
2026-07-31 2,738,835 2.07 +35.9%
2026-07-15 2,015,456 1.00 -56.8%
2026-06-30 4,669,276 1.18 +59.6%
2026-06-15 2,925,284 1.00 +100.0%

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