QSI

Quantum-Si Inc

Nasdaq · Measuring & Controlling Devices, NEC · Inc. DE · CIK 0001816431
$1.06 +0.95% $230.8M
Insider Selling Cluster (2 insiders)3 New Institutional Positions
Vol
Market Cap$230.8M
Cap SizeMicro Cap
Inst. Holders7 funds
Inst. Value$13.6M
Inst. Activity3 buys / 1 sells
Insider Activity2B / 12S
Insider Net $$266.3K
Reddit Sentiment69° Warm
SEC Reports3
Exchange Nasdaq·Sector Measuring & Controlling Devices, NEC·Inc. DE·CIK 0001816431·Prev Close $1.05

Recent Activity

May 19, 2026 short_volume
Short Volume: QSI — 59.6% short (1.3M / 2.2M)
Short: 1,299,181 | Exempt: 100 | TRF Vol: 2,181,577 | Short Ratio: 59.6% | Off-exchange volume (dark
May 18, 2026 Insider
RAKIN KEVIN sold 251,185 shares
Director @ $0.00 ($0.00)
May 18, 2026 Insider
Mendel Scott sold 251,185 shares
Director @ $0.00 ($0.00)
May 18, 2026 Insider
Kummeth Charles R. sold 251,185 shares
Director @ $0.00 ($0.00)
Mar 24, 2026 SEC
Multiple Quantum-Si executives, including CEO Jeffrey Hawkins and Chief Product Officer John Vieceli, conducted open-mar
CLUSTER — Impact 3/10
Mar 16, 2026 SEC
General Counsel and Corporate Secretary LaPointe Christian was granted a total of 573,460 shares in two non-cash award t
CLUSTER — Impact 2/10
Mar 9, 2026 SEC
Two Quantum-Si Inc (QSI) directors, Dowdy Paula and Charles R. Kummeth, collectively purchased $564,250 worth of shares
CLUSTER — Impact 6/10
Inst.
TWO SIGMA INVESTMENTS, LP — DOUBLED
1,384,181 shares ($1.5M)

Price Targets

Historical data — last covering-analyst action Mar 2026. No current recommendation available.
$2.50 (Mar 2026)
Current $0.9871 Low $1.00 Median $2.50 High $4.00 3 analysts
$1.00 $4.00

Analyst Ratings

Historical distribution71% buy · 7 analysts · last covering-analyst action Mar 2026
1Strong Buy
4Buy
2Hold
0Sell
0Strong Sell
Historical Analyst Actions
DateFirmActionRating
Mar 5, 2026 Canaccord Genuity MAINTAIN Hold → Hold
Dec 22, 2025 Canaccord Genuity MAINTAIN Hold → Hold

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $-0.10 $-0.10 — $-0.10 13% YoY 1
Next Q $-0.11 $-0.11 — $-0.11 -23% YoY 1
Current FY $-0.40 ▲ +4.8% $-0.40 — $-0.40 -5% YoY 1
Next FY $-0.36 $-0.36 — $-0.36 10% YoY 1

Top Institutional Holders

FundValueMove
VANGUARD GROUP INC$10.6MADD
TWO SIGMA INVESTMENTS, LP$1.5MDOUBLED
CHARLES SCHWAB INVESTMENT MANAGEMENT$515.0KADD
MORGAN STANLEY$440.0KADD
BANK OF AMERICA CORP$284.3KTRIM

Recent Insider Trades

DateInsiderTypeValue
May 18, 2026RAKIN KEVINA$0.00
May 18, 2026Mendel ScottA$0.00
May 18, 2026Kummeth CharlesA$0.00
May 18, 2026Makes BrigidA$0.00
May 18, 2026Fattori RuthA$0.00

Reddit Sentiment

69°
Warm
Bearish Neutral Bullish
23 mentions 14 bullish 4 bearish
7 institutional holders with $13.6M total value (12,391,873 shares) as of 2025-Q4. Top holders: VANGUARD, TWO, CHARLES. Net buying activity: 3 institutions added/increased vs 1 reduced.

Top Institutional Holders — 2025-Q4

#FundSharesValue% of TrackedLast Move
1VANGUARD GROUP INC9,607,022$10.6M77.5%ADD +25.8%
2TWO SIGMA INVESTMENTS, LP1,384,181$1.5M11.2%DOUBLED +168.3%
3CHARLES SCHWAB INVESTMENT MANAGEMENT INC468,174$515.0K3.8%ADD +32.6%
4MORGAN STANLEY399,994$440.0K3.2%ADD +47.6%
5BANK OF AMERICA CORP /DE/258,445$284.3K2.1%TRIM -25.7%
6WELLS FARGO & COMPANY/MN176,132$193.7K1.4%ADD +29.6%
7FMR LLC97,925$107.7K0.8%DOUBLED +388.8%

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
TWO SIGMA INVESTMENTS, LPDOUBLED515,8521,384,181+168.3%$1.5M2025-Q4
MORGAN STANLEYADD271,000399,994+47.6%$440.0K2025-Q4
BANK OF AMERICA CORP /DE/TRIM348,007258,445-25.7%$284.3K2025-Q4
WELLS FARGO & COMPANY/MNADD135,950176,132+29.6%$193.7K2025-Q4
UBS Group AGTRIM789,570504,859-36.1%$711.9K2025-Q3
BANK OF AMERICA CORP /DE/TRIM465,999348,007-25.3%$490.7K2025-Q3
WELLS FARGO & COMPANY/MNADD101,716135,950+33.7%$191.7K2025-Q3
FMR LLCDOUBLED18,52090,520+388.8%$127.6K2025-Q3
RENAISSANCE TECHNOLOGIES LLCEXIT89,2000-100.0%$0.002025-Q3
VANGUARD GROUP INCADD6,892,8628,669,661+25.8%$17.0M2025-Q2
UBS Group AGADD449,682789,570+75.6%$1.5M2025-Q2
TWO SIGMA INVESTMENTS, LPTRIM816,975564,442-30.9%$1.1M2025-Q2
BANK OF AMERICA CORP /DE/DOUBLED88,495465,999+426.6%$913.4K2025-Q2
RENAISSANCE TECHNOLOGIES LLCNEAR_EXIT871,75689,200-89.8%$174.8K2025-Q2
FMR LLCNEAR_EXIT79,62318,520-76.7%$36.3K2025-Q2
VANGUARD GROUP INCADD5,491,7536,892,862+25.5%$8.3M2025-Q1
RENAISSANCE TECHNOLOGIES LLCADD544,956871,756+60.0%$1.0M2025-Q1
TWO SIGMA INVESTMENTS, LPDOUBLED152,683816,975+435.1%$980.4K2025-Q1
MORGAN STANLEYNEAR_EXIT3,480,468287,488-91.7%$345.0K2025-Q1
MORGAN STANLEYDOUBLED306,2473,480,468+1036.5%$9.4M2024-Q4
CITADEL ADVISORS LLCDOUBLED154,5531,065,100+589.1%$2.9M2024-Q4
UBS Group AGDOUBLED49,166592,112+1104.3%$1.6M2024-Q4
RENAISSANCE TECHNOLOGIES LLCDOUBLED41,556544,956+1211.4%$1.5M2024-Q4
CHARLES SCHWAB INVESTMENT MANAGEMENT INCADD232,360308,021+32.6%$831.7K2024-Q4
MORGAN STANLEYADD170,535306,247+79.6%$270.2K2024-Q3
12 unique insiders with 14 transactions. Net insider value: $266.3K ($564.3K bought, $297.9K sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
May 18, 2026RAKIN KEVINDirectorA251,185$0.00$0.00
May 18, 2026Mendel ScottDirectorA251,185$0.00$0.00
May 18, 2026Kummeth Charles R.DirectorA251,185$0.00$0.00
May 18, 2026Makes BrigidDirectorA251,185$0.00$0.00
May 18, 2026Fattori Ruth ADirectorA251,185$0.00$0.00
May 18, 2026Dowdy PaulaDirectorA251,185$0.00$0.00
May 18, 2026Jafri AmirDirectorA251,185$0.00$0.00
May 18, 2026Kenny John P.DirectorA251,185$0.00$0.00
Apr 21, 2026Hawkins Jeffrey AlanPresident & CEOSELL83,712$0.9950$83.3K
Apr 21, 2026Keyes Jeffry R.Chief Financial OfficerSELL37,381$0.9950$37.2K
Apr 20, 2026Hawkins Jeffrey AlanPresident & CEOSELL83,712$1.01$84.2K
Apr 20, 2026Keyes Jeffry R.Chief Financial OfficerSELL37,382$1.01$37.6K
Mar 23, 2026Keyes Jeffry R.Chief Financial OfficerSELL4,422$0.8266$3.7K
Mar 23, 2026Vieceli John S.Chief Product OfficerSELL11,239$0.8266$9.3K
Mar 23, 2026Hawkins Jeffrey AlanPresident & CEOSELL12,149$0.8266$10.0K
Mar 23, 2026LaPointe ChristianGC & Corp. SecretarySELL6,110$0.8266$5.1K
Mar 20, 2026Keyes Jeffry R.Chief Financial OfficerSELL4,233$0.8483$3.6K
Mar 20, 2026Vieceli John S.Chief Product OfficerSELL10,758$0.8483$9.1K
Mar 20, 2026Hawkins Jeffrey AlanPresident & CEOSELL11,628$0.8483$9.9K
Mar 20, 2026LaPointe ChristianGC & Corp. SecretarySELL5,849$0.8483$5.0K
Mar 12, 2026Hawkins Jeffrey AlanPresident & CEOA1,305,606$0.00$0.00
Mar 12, 2026Vieceli John S.Chief Product OfficerA391,681$0.00$0.00
Mar 12, 2026Hawkins Jeffrey AlanPresident & CEOA1,561,695$0.00$0.00
Mar 12, 2026Vieceli John S.Chief Product OfficerA468,508$0.00$0.00
Mar 12, 2026Keyes Jeffry R.Chief Financial OfficerA652,803$0.00$0.00
Mar 12, 2026Keyes Jeffry R.Chief Financial OfficerA780,847$0.00$0.00
Mar 12, 2026LaPointe ChristianGC & Corp. SecretaryA312,339$0.00$0.00
Mar 12, 2026LaPointe ChristianGC & Corp. SecretaryA261,121$0.00$0.00
Mar 5, 2026Kummeth Charles R.DirectorBUY500,000$0.9196$459.8K
Mar 5, 2026Dowdy PaulaDirectorBUY109,890$0.9505$104.5K
Feb 24, 2026Jafri AmirDirectorA114,055$0.00$0.00

No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.

Historical analyst distribution (last covering-analyst action Mar 2026): 71% buy across 7 analysts — 1 strong buy, 4 buy, 2 hold, 0 sell, 0 strong sell. No current recommendation available.

Analyst Price Targets

Historical data — last covering-analyst action Mar 2026. No current recommendation available.
$2.50 mean target (Mar 2026)
$1.00 Low $4.00 High
MetricValue
Current Price$0.9871
Target Low$1.00
Target Mean$2.50
Target Median$2.50
Target High$4.00
# Analysts3
Recommendation— (no recent coverage)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$-0.10 $-0.10 $-0.10 13.0% 1↑ 0↓ $0.0B -48.9% 1
Next Q
2026-09-30
$-0.11 $-0.11 $-0.11 -23.0% +0.0% 0↑ 1↓ $0.0B -48.9% 1
Current FY
2026-12-31
$-0.40 $-0.40 $-0.40 -4.7% +4.8% 1↑ 0↓ $0.0B -57.6% 1
Next FY
2027-12-31
$-0.36 $-0.36 $-0.36 10.0% 1↑ 0↓ $0.0B 834.7% 1

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$-0.100
7d ago$0.000-0.100
30d ago$0.000-0.100
60d ago$0.000-0.100
90d ago$-0.100
1 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.

Historical Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
Mar 5, 2026 Canaccord Genuity MAINTAIN Hold Hold
Dec 22, 2025 Canaccord Genuity MAINTAIN Hold Hold

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 20261420071%
May 1, 20261420071%
Apr 1, 20261420071%
Mar 1, 20261420071%
Feb 1, 20261420071%
Jan 1, 20261420071%
Strong BuyBuyHoldSellStrong Sell

No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

69°
Warm
Bearish Neutral Bullish
23 mentions 14 bullish 4 bearish 20 time periods

Reddit Sentiment History

DateMentionsSentimentBullishBearishThreads
May 14, 2026160° Warm101
May 14, 2026160° Warm101
Apr 24, 2026242° Neutral012
Apr 24, 2026242° Neutral012
Apr 23, 2026150° Neutral001
Apr 22, 2026140° Cool011
Apr 22, 2026140° Cool011
Apr 16, 2026160° Warm101
Apr 16, 2026160° Warm101
Apr 15, 2026160° Warm101
Apr 15, 2026160° Warm101
Apr 15, 2026150° Neutral001
Apr 15, 2026150° Neutral001
Mar 20, 2026160° Warm101
Mar 20, 2026160° Warm101
Mar 19, 2026267° Warm202
Mar 19, 2026160° Warm101
Mar 10, 2026160° Warm101
Mar 10, 2026160° Warm101
Feb 6, 2026160° Warm101

Recent Reddit Threads

r/SPACs Bearish 1mo ago
Updates: $QSI $7.6M investor settlement deadline is May 6th
▲ 1 💬 1 ⚡ 0.5
r/pennystocks Bearish 1mo ago
$QSI THE PLAY OF THE CENTURY
▲ 0 💬 4
r/pennystocks Bullish 3mo ago
Insider buying in Quantum-Si (QSI) seems like a strong vote of confidence.
▲ 1 💬 1 ⚡ 0.5
May 19, 2026
short_volume
Short Volume: QSI — 59.6% short (1.3M / 2.2M)
Short: 1,299,181 | Exempt: 100 | TRF Vol: 2,181,577 | Short Ratio: 59.6% | Off-exchange volume (dark pool + OTC)
May 18, 2026
short_volume
Short Volume: QSI — 62.7% short (2.0M / 3.1M)
Short: 1,967,850 | Exempt: 20,005 | TRF Vol: 3,137,484 | Short Ratio: 62.7% | Off-exchange volume (dark pool + OTC)
May 15, 2026
short_volume
Short Volume: QSI — 71.2% short (1.8M / 2.5M)
Short: 1,800,379 | Exempt: 1,839 | TRF Vol: 2,526,949 | Short Ratio: 71.2% | Off-exchange volume (dark pool + OTC)
May 12, 2026
short_volume
Short Volume: QSI — 58.4% short (4.1M / 7.0M)
Short: 4,100,471 | Exempt: 14,570 | TRF Vol: 7,022,113 | Short Ratio: 58.4% | Off-exchange volume (dark pool + OTC)
May 8, 2026
short_volume
Short Volume: QSI — 75.9% short (7.3M / 9.6M)
Short: 7,303,254 | Exempt: 640,228 | TRF Vol: 9,620,736 | Short Ratio: 75.9% | Off-exchange volume (dark pool + OTC)
May 7, 2026
earnings_calendar
QSI Q1 2026 Earnings Scheduled — 2026-05-07
May 7, 2026
short_volume
Short Volume: QSI — 62.0% short (3.0M / 4.9M)
Short: 3,024,900 | Exempt: 49,007 | TRF Vol: 4,879,935 | Short Ratio: 62.0% | Off-exchange volume (dark pool + OTC)
May 6, 2026
short_volume
Short Volume: QSI — 61.3% short (3.8M / 6.2M)
Short: 3,789,733 | Exempt: 10,361 | TRF Vol: 6,182,127 | Short Ratio: 61.3% | Off-exchange volume (dark pool + OTC)
May 5, 2026
short_volume
Short Volume: QSI — 57.3% short (1.0M / 1.7M)
Short: 954,115 | Exempt: 10,689 | TRF Vol: 1,664,692 | Short Ratio: 57.3% | Off-exchange volume (dark pool + OTC)
May 1, 2026
short_volume
Short Volume: QSI — 59.7% short (1.4M / 2.4M)
Short: 1,444,468 | Exempt: 5,313 | TRF Vol: 2,421,427 | Short Ratio: 59.7% | Off-exchange volume (dark pool + OTC)
Apr 30, 2026
short_volume
Short Volume: QSI — 55.9% short (5.1M / 9.1M)
Short: 5,102,767 | Exempt: 24,081 | TRF Vol: 9,132,546 | Short Ratio: 55.9% | Off-exchange volume (dark pool + OTC)
Apr 29, 2026
short_volume
Short Volume: QSI — 59.8% short (1.3M / 2.2M)
Short: 1,335,321 | Exempt: 10,248 | TRF Vol: 2,233,402 | Short Ratio: 59.8% | Off-exchange volume (dark pool + OTC)
Apr 28, 2026
short_volume
Short Volume: QSI — 57.6% short (1.1M / 1.9M)
Short: 1,098,356 | Exempt: 37,000 | TRF Vol: 1,906,780 | Short Ratio: 57.6% | Off-exchange volume (dark pool + OTC)
Apr 27, 2026
short_volume
Short Volume: QSI — 65.3% short (1.1M / 1.7M)
Short: 1,090,404 | Exempt: 32,429 | TRF Vol: 1,669,116 | Short Ratio: 65.3% | Off-exchange volume (dark pool + OTC)
Apr 24, 2026
short_volume
Short Volume: QSI — 72.6% short (4.1M / 5.6M)
Short: 4,051,629 | Exempt: 473,965 | TRF Vol: 5,582,399 | Short Ratio: 72.6% | Off-exchange volume (dark pool + OTC)