tiprankstipranks
Trending News
More News >
Quantum-Si (QSI)
NASDAQ:QSI
US Market

Quantum-Si (QSI) Ownership - Who Owns Quantum-Si?

Compare
1,833 Followers

Quantum-Si (QSI) Ownership Overview

21.75%7.07%9.76%11.93%49.49%
21.75% Insiders
9.76% Other Institutional Investors
11.93% ETFs
49.49% Public Companies and Individual Investors
The ownership structure of Quantum-Si (QSI) stock is a mix of institutional, retail, and individual investors. Approximately 28.76% of the company’s stock is owned by Institutional Investors, 21.75% is owned by Insiders, and 49.49% is owned by Public Companies and Individual Investors.
The ownership structure of Quantum-Si (QSI) stock is a mix of institutional, retail, and individual investors. Approximately 16.83% of the company’s stock is owned by Institutional Investors, 21.75% is owned by Insiders, and 11.93% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Mar 09, 2026
xxxxxxxxxxxxx
$104396
Mar 09, 2026
xxxxxxxxxxxxx
$455000
Dec 22, 2025
xxxxxxxxxxxxx
$15178
Dec 22, 2025
xxxxxxxxxxxxx
$27847

Recent Hedge Fund Trading Activity

Date
Firm
Activity
Value
Dec 31, 2025
xxxxxxxxxxxxx
$15864
Dec 31, 2025
xxxxxxxxxxxxx
$7723728

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
33,644,178Insider17.13%31,928,325
8,239,474Institution4.19%7,819,261
7,436,304Institution3.79%7,057,052
7,021,571Institution3.57%6,663,471
6,900,837Institution3.51%6,548,894
6,870,268Institution3.50%6,519,884
2,578,018Insider1.31%2,446,539
1,779,328Institution0.91%1,688,582
1,701,905Institution0.87%1,615,108
1,220,512Insider0.62%1,158,266

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
6,870,268Institution3.50%6,519,884
1,779,328Institution0.91%1,688,582
1,701,905Institution0.87%1,615,108
882,880Institution0.45%837,853
639,421Institution0.33%606,811
497,059Institution0.25%471,709
468,088Institution0.24%444,216
255,000Institution0.13%241,995
113,870Institution0.06%108,063
113,495Institution0.06%107,707

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
6,610,017Institution3.37%6,276,872
4,874,730Institution2.48%5,508,445
3,743,033Institution1.91%3,554,384
1,995,538Institution1.02%2,254,958
1,333,206Institution0.68%1,266,012
1,227,350Institution0.62%1,165,492
749,719Institution0.38%847,182
496,159Institution0.25%560,660
416,086Institution0.21%395,115
407,789Institution0.21%387,236

FAQ

Who Owns Quantum-Si (QSI)?
According to the latest TipRanks data, approximately 9.76% of the company's stock is held by institutional investors, 21.75% is held by insiders, and 49.49% is held by retail investors.
    What percentage of Quantum-Si (QSI) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 9.76% of Quantum-Si (QSI) stock is held by institutional investors.
      What percentage of Quantum-Si (QSI) stock is held by retail investors?
      According to the latest TipRanks data, approximately 49.49% of Quantum-Si (QSI) stock is held by retail investors.
        Who owns the most shares of Quantum-Si (QSI)?
        JONATHAN M ROTHBERG owns the most shares of Quantum-Si (QSI).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.