QS
QSI
Quantum-Si Inc
$1.06
+0.95%
$230.8M
No data for this timeframe.
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
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
1Strong Buy
4Buy
2Hold
0Sell
0Strong Sell
Historical Analyst Actions
| Date | Firm | Action | Rating |
|---|---|---|---|
| Mar 5, 2026 | Canaccord Genuity | MAINTAIN | Hold → Hold |
| Dec 22, 2025 | Canaccord Genuity | MAINTAIN | Hold → Hold |
Earnings Estimates
| Period | EPS Est. | Range | Growth | # |
|---|---|---|---|---|
| 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 |
Latest Reports
NEUTRAL
CLUSTER
3/10
Multiple Quantum-Si executives, including CEO Jeffrey Hawkins and Chief Product Officer John Vieceli, conducted open-mar
Mar 24, 2026
NEUTRAL
CLUSTER
2/10
General Counsel and Corporate Secretary LaPointe Christian was granted a total of 573,460 shares in two non-cash award t
Mar 16, 2026
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| VANGUARD GROUP INC | $10.6M | ADD |
| TWO SIGMA INVESTMENTS, LP | $1.5M | DOUBLED |
| CHARLES SCHWAB INVESTMENT MANAGEMENT | $515.0K | ADD |
| MORGAN STANLEY | $440.0K | ADD |
| BANK OF AMERICA CORP | $284.3K | TRIM |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| May 18, 2026 | RAKIN KEVIN | A | $0.00 |
| May 18, 2026 | Mendel Scott | A | $0.00 |
| May 18, 2026 | Kummeth Charles | A | $0.00 |
| May 18, 2026 | Makes Brigid | A | $0.00 |
| May 18, 2026 | Fattori Ruth | A | $0.00 |
Reddit Sentiment
69°▲
Warm
Bearish
Neutral
Bullish
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
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 9,607,022 | $10.6M | 77.5% | ADD +25.8% |
| 2 | TWO SIGMA INVESTMENTS, LP | 1,384,181 | $1.5M | 11.2% | DOUBLED +168.3% |
| 3 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 468,174 | $515.0K | 3.8% | ADD +32.6% |
| 4 | MORGAN STANLEY | 399,994 | $440.0K | 3.2% | ADD +47.6% |
| 5 | BANK OF AMERICA CORP /DE/ | 258,445 | $284.3K | 2.1% | TRIM -25.7% |
| 6 | WELLS FARGO & COMPANY/MN | 176,132 | $193.7K | 1.4% | ADD +29.6% |
| 7 | FMR LLC | 97,925 | $107.7K | 0.8% | DOUBLED +388.8% |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP | DOUBLED | 515,852 | 1,384,181 | +168.3% | $1.5M | 2025-Q4 |
| MORGAN STANLEY | ADD | 271,000 | 399,994 | +47.6% | $440.0K | 2025-Q4 |
| BANK OF AMERICA CORP /DE/ | TRIM | 348,007 | 258,445 | -25.7% | $284.3K | 2025-Q4 |
| WELLS FARGO & COMPANY/MN | ADD | 135,950 | 176,132 | +29.6% | $193.7K | 2025-Q4 |
| UBS Group AG | TRIM | 789,570 | 504,859 | -36.1% | $711.9K | 2025-Q3 |
| BANK OF AMERICA CORP /DE/ | TRIM | 465,999 | 348,007 | -25.3% | $490.7K | 2025-Q3 |
| WELLS FARGO & COMPANY/MN | ADD | 101,716 | 135,950 | +33.7% | $191.7K | 2025-Q3 |
| FMR LLC | DOUBLED | 18,520 | 90,520 | +388.8% | $127.6K | 2025-Q3 |
| RENAISSANCE TECHNOLOGIES LLC | EXIT | 89,200 | 0 | -100.0% | $0.00 | 2025-Q3 |
| VANGUARD GROUP INC | ADD | 6,892,862 | 8,669,661 | +25.8% | $17.0M | 2025-Q2 |
| UBS Group AG | ADD | 449,682 | 789,570 | +75.6% | $1.5M | 2025-Q2 |
| TWO SIGMA INVESTMENTS, LP | TRIM | 816,975 | 564,442 | -30.9% | $1.1M | 2025-Q2 |
| BANK OF AMERICA CORP /DE/ | DOUBLED | 88,495 | 465,999 | +426.6% | $913.4K | 2025-Q2 |
| RENAISSANCE TECHNOLOGIES LLC | NEAR_EXIT | 871,756 | 89,200 | -89.8% | $174.8K | 2025-Q2 |
| FMR LLC | NEAR_EXIT | 79,623 | 18,520 | -76.7% | $36.3K | 2025-Q2 |
| VANGUARD GROUP INC | ADD | 5,491,753 | 6,892,862 | +25.5% | $8.3M | 2025-Q1 |
| RENAISSANCE TECHNOLOGIES LLC | ADD | 544,956 | 871,756 | +60.0% | $1.0M | 2025-Q1 |
| TWO SIGMA INVESTMENTS, LP | DOUBLED | 152,683 | 816,975 | +435.1% | $980.4K | 2025-Q1 |
| MORGAN STANLEY | NEAR_EXIT | 3,480,468 | 287,488 | -91.7% | $345.0K | 2025-Q1 |
| MORGAN STANLEY | DOUBLED | 306,247 | 3,480,468 | +1036.5% | $9.4M | 2024-Q4 |
| CITADEL ADVISORS LLC | DOUBLED | 154,553 | 1,065,100 | +589.1% | $2.9M | 2024-Q4 |
| UBS Group AG | DOUBLED | 49,166 | 592,112 | +1104.3% | $1.6M | 2024-Q4 |
| RENAISSANCE TECHNOLOGIES LLC | DOUBLED | 41,556 | 544,956 | +1211.4% | $1.5M | 2024-Q4 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | ADD | 232,360 | 308,021 | +32.6% | $831.7K | 2024-Q4 |
| MORGAN STANLEY | ADD | 170,535 | 306,247 | +79.6% | $270.2K | 2024-Q3 |
12 unique insiders with 14 transactions. Net insider value: $266.3K ($564.3K bought, $297.9K sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 18, 2026 | RAKIN KEVIN | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Mendel Scott | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Kummeth Charles R. | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Makes Brigid | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Fattori Ruth A | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Dowdy Paula | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Jafri Amir | Director | A | 251,185 | $0.00 | $0.00 |
| May 18, 2026 | Kenny John P. | Director | A | 251,185 | $0.00 | $0.00 |
| Apr 21, 2026 | Hawkins Jeffrey Alan | President & CEO | SELL | 83,712 | $0.9950 | $83.3K |
| Apr 21, 2026 | Keyes Jeffry R. | Chief Financial Officer | SELL | 37,381 | $0.9950 | $37.2K |
| Apr 20, 2026 | Hawkins Jeffrey Alan | President & CEO | SELL | 83,712 | $1.01 | $84.2K |
| Apr 20, 2026 | Keyes Jeffry R. | Chief Financial Officer | SELL | 37,382 | $1.01 | $37.6K |
| Mar 23, 2026 | Keyes Jeffry R. | Chief Financial Officer | SELL | 4,422 | $0.8266 | $3.7K |
| Mar 23, 2026 | Vieceli John S. | Chief Product Officer | SELL | 11,239 | $0.8266 | $9.3K |
| Mar 23, 2026 | Hawkins Jeffrey Alan | President & CEO | SELL | 12,149 | $0.8266 | $10.0K |
| Mar 23, 2026 | LaPointe Christian | GC & Corp. Secretary | SELL | 6,110 | $0.8266 | $5.1K |
| Mar 20, 2026 | Keyes Jeffry R. | Chief Financial Officer | SELL | 4,233 | $0.8483 | $3.6K |
| Mar 20, 2026 | Vieceli John S. | Chief Product Officer | SELL | 10,758 | $0.8483 | $9.1K |
| Mar 20, 2026 | Hawkins Jeffrey Alan | President & CEO | SELL | 11,628 | $0.8483 | $9.9K |
| Mar 20, 2026 | LaPointe Christian | GC & Corp. Secretary | SELL | 5,849 | $0.8483 | $5.0K |
| Mar 12, 2026 | Hawkins Jeffrey Alan | President & CEO | A | 1,305,606 | $0.00 | $0.00 |
| Mar 12, 2026 | Vieceli John S. | Chief Product Officer | A | 391,681 | $0.00 | $0.00 |
| Mar 12, 2026 | Hawkins Jeffrey Alan | President & CEO | A | 1,561,695 | $0.00 | $0.00 |
| Mar 12, 2026 | Vieceli John S. | Chief Product Officer | A | 468,508 | $0.00 | $0.00 |
| Mar 12, 2026 | Keyes Jeffry R. | Chief Financial Officer | A | 652,803 | $0.00 | $0.00 |
| Mar 12, 2026 | Keyes Jeffry R. | Chief Financial Officer | A | 780,847 | $0.00 | $0.00 |
| Mar 12, 2026 | LaPointe Christian | GC & Corp. Secretary | A | 312,339 | $0.00 | $0.00 |
| Mar 12, 2026 | LaPointe Christian | GC & Corp. Secretary | A | 261,121 | $0.00 | $0.00 |
| Mar 5, 2026 | Kummeth Charles R. | Director | BUY | 500,000 | $0.9196 | $459.8K |
| Mar 5, 2026 | Dowdy Paula | Director | BUY | 109,890 | $0.9505 | $104.5K |
| Feb 24, 2026 | Jafri Amir | Director | A | 114,055 | $0.00 | $0.00 |
3 SEC filing reports analyzed. Sentiment: 1 bullish, 0 bearish, 0 mixed, 2 neutral. Avg impact: 3.7/10.
NEUTRAL
CLUSTER
3/10
Multiple Quantum-Si executives, including CEO Jeffrey Hawkins and Chief Product Officer John Vieceli
Mar 24, 2026
NEUTRAL
CLUSTER
2/10
General Counsel and Corporate Secretary LaPointe Christian was granted a total of 573,460 shares in
Mar 16, 2026
BULLISH
CLUSTER
6/10
Two Quantum-Si Inc (QSI) directors, Dowdy Paula and Charles R. Kummeth, collectively purchased $564,
Mar 9, 2026
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
| Metric | Value |
|---|---|
| Current Price | $0.9871 |
| Target Low | $1.00 |
| Target Mean | $2.50 |
| Target Median | $2.50 |
| Target High | $4.00 |
| # Analysts | 3 |
| Recommendation | — (no recent coverage) |
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| 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
| Timepoint | EPS Estimate | Change |
|---|---|---|
| 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
| Date | Analyst Firm | Action | Previous Rating | New Rating |
|---|---|---|---|---|
| Mar 5, 2026 | Canaccord Genuity | MAINTAIN | Hold | Hold |
| Dec 22, 2025 | Canaccord Genuity | MAINTAIN | Hold | Hold |
Monthly Consensus History
| Period | Strong Buy | Buy | Hold | Sell | Strong Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | 1 | 4 | 2 | 0 | 0 | 71% | |
| May 1, 2026 | 1 | 4 | 2 | 0 | 0 | 71% | |
| Apr 1, 2026 | 1 | 4 | 2 | 0 | 0 | 71% | |
| Mar 1, 2026 | 1 | 4 | 2 | 0 | 0 | 71% | |
| Feb 1, 2026 | 1 | 4 | 2 | 0 | 0 | 71% | |
| Jan 1, 2026 | 1 | 4 | 2 | 0 | 0 | 71% |
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
| Date | Mentions | Sentiment | Bullish | Bearish | Threads |
|---|---|---|---|---|---|
| May 14, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| May 14, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Apr 24, 2026 | 2 | 42° Neutral | 0 | 1 | 2 |
| Apr 24, 2026 | 2 | 42° Neutral | 0 | 1 | 2 |
| Apr 23, 2026 | 1 | 50° Neutral | 0 | 0 | 1 |
| Apr 22, 2026 | 1 | 40° Cool | 0 | 1 | 1 |
| Apr 22, 2026 | 1 | 40° Cool | 0 | 1 | 1 |
| Apr 16, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Apr 16, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Apr 15, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Apr 15, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Apr 15, 2026 | 1 | 50° Neutral | 0 | 0 | 1 |
| Apr 15, 2026 | 1 | 50° Neutral | 0 | 0 | 1 |
| Mar 20, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Mar 20, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Mar 19, 2026 | 2 | 67° Warm | 2 | 0 | 2 |
| Mar 19, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Mar 10, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Mar 10, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Feb 6, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
Recent Reddit Threads
$QSI THE PLAY OF THE CENTURY
▲ 0
💬 4
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)