COGT · Cogent Biosciences, Inc. · Shareholders & Ownership
Every disclosed holder of COGT in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns COGT
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 193,496,499 | 111.51% |
| Insiders (Forms 3, 4, 5) | 1,389,325 | 0.80% |
| 13D/G-only blocks | 19,716,075 | 11.36% |
| Remaining | 41,076,917 | -23.67% |
| Registered funds (N-PORT, not summed) | 79,377,738 | 45.74% |
Shares outstanding: 173,524,982, the issuer's latest cover-page count restated onto today's split basis.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of COGT
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
25,681,174 | ||
| 1.1 |
Fidelity Small Cap Growth Fund
Fund
S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
2,509,157 | ||
| 1.2 |
Fidelity OTC Portfolio
Fund
S000007191 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
1,873,600 | ||
| 1.3 |
Fidelity Advisor Biotechnology Fund
Fund
S000005321 · Registered fund · Jul 31, 2026
Fidelity Advisor Series VII, not summed
|
1,834,818 | ||
| 1.4 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
1,822,133 | ||
| 1.5 |
Select Health Care Portfolio
Fund
S000007466 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
|
1,750,000 | ||
| 2 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
17,352,646 | ||
| 2.1 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
13,593,063 | ||
| 2.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
4,279,868 | ||
| 2.3 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,539,224 | ||
| 2.4 |
BlackRock Health Sciences Opportunities Portfolio
Fund
S000001877 · Registered fund · May 29, 2026
BlackRock Funds, not summed
|
1,406,858 | ||
| 2.5 |
iShares Biotechnology ETF
Fund
S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,042,594 | ||
| 3 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
8,072,411 | ||
| 4 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
7,412,330 | ||
| 4.1 |
VANGUARD CAPITAL MANAGEMENT LLC
13G
CIK 2100119 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
8,691,589 | ||
| 5 |
|
6,964,919 | ||
| 5.1 |
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund
S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
3,172,989 | ||
| 5.2 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
54,500 | ||
| 5.3 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
4,105 | ||
| 5.4 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
914 | ||
| 5.5 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
812 | ||
| 6 |
|
6,798,162 | ||
| 7 |
Jupiter Topco LLC
13F
CIK 2146052 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,624,848 | ||
| 7.1 |
Janus Henderson Small Cap Growth Alpha ETF
Fund
S000052563 · Registered fund · Jul 31, 2026
Janus Detroit Street Trust, not summed
|
57,786 | ||
| 8 |
Fairmount Funds Management LLC
13F
CIK 1802528 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,503,418 | ||
| 8.1 |
|
5,503,418 | ||
| 9 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
5,156,952 | ||
| 10 |
DEERFIELD MANAGEMENT COMPANY, L.P.
13F
CIK 1009258 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,006,104 | ||
| 11 |
Deerfield Management Company, L.P.
13G
CIK 1352546 · Unknown · Jun 30, 2026
Rule 13d-1(c), passive investor
|
5,006,104 | ||
| 12 |
TCG Crossover Management, LLC
13F
CIK 1839948 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,854,436 | ||
| 13 |
Venrock Healthcare Capital Partners II, L.P.
13G
CIK 1602264 · Unknown · Jun 30, 2025
Rule 13d-1(c), passive investor
|
4,755,411 | ||
| 14 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,652,727 | ||
| 14.1 |
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund
S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
|
1,127,196 | ||
| 14.2 |
T. Rowe Price New Horizons Fund, Inc.
Fund
S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
|
1,088,459 | ||
| 14.3 |
T. Rowe Price Health Sciences Fund, Inc.
Fund
S000002088 · Registered fund · Jun 30, 2026
T. ROWE PRICE HEALTH SCIENCES FUND, INC., not summed
|
357,081 | ||
| 14.4 |
T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.
Fund
S000002073 · Registered fund · Jun 30, 2026
T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC., not summed
|
123,843 | ||
| 14.5 |
T. Rowe Price Small-Mid Cap ETF
Fund
S000079837 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
|
83,026 | ||
| 15 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,508,998 | ||
| 16 |
WELLINGTON MANAGEMENT GROUP LLP
13F
CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,343,977 | ||
| 17 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
3,724,033 | ||
| 18 |
Kynam Capital Management, LP
13F
CIK 1907884 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,667,097 | ||
| 19 |
LORD, ABBETT & CO. LLC
13F
CIK 728100 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,431,030 | ||
| 19.1 |
Lord Abbett Growth Leaders Fund
Fund
S000032915 · Registered fund · Jul 31, 2026
LORD ABBETT SECURITIES TRUST, not summed
|
1,730,027 | ||
| 19.2 |
LORD ABBETT DEVELOPING GROWTH FUND INC
Fund
S000006834 · Registered fund · Jul 31, 2026
LORD ABBETT DEVELOPING GROWTH FUND, INC., not summed
|
1,057,487 | ||
| 19.3 |
Lord Abbett Growth Opportunities Fund
Fund
S000006999 · Registered fund · May 31, 2026
LORD ABBETT RESEARCH FUND INC, not summed
|
216,426 | ||
| 19.4 |
Lord Abbett Micro-Cap Growth Fund
Fund
S000007142 · Registered fund · Jul 31, 2026
LORD ABBETT SECURITIES TRUST, not summed
|
150,222 | ||
| 19.5 |
Lord Abbett Focused Growth Fund
Fund
S000064461 · Registered fund · Jul 31, 2026
LORD ABBETT SECURITIES TRUST, not summed
|
58,075 | ||
| 20 |
Polar Capital Holdings Plc
13F
CIK 1837309 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,232,905 | ||
| 21 |
Paradigm Biocapital Advisors LP
13G
CIK 1855655 · Registered investment adviser · Sep 30, 2025
Rule 13d-1(c), passive investor
|
3,156,398 | ||
| 22 |
Commodore Capital LP
13F
CIK 1831942 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,050,000 | ||
| 23 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,609,141 | ||
| 23.1 |
Invesco Discovery Fund
Fund
S000064618 · Registered fund · May 31, 2026
AIM Counselor Series Trust (Invesco Counselor Series Trust), not summed
|
741,356 | ||
| 23.2 |
Invesco Small Cap Growth Fund
Fund
S000000476 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
|
514,984 | ||
| 23.3 |
Invesco Health Care Fund
Fund
S000000235 · Registered fund · Jul 31, 2026
AIM Investment Funds (Invesco Investment Funds), not summed
|
124,185 | ||
| 23.4 |
Invesco Dorsey Wright SmallCap Momentum ETF
Fund
S000037586 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
76,691 | ||
| 23.5 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
43,595 | ||
| 24 |
Woodline Partners LP
13F
CIK 1784547 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,603,162 | ||
| 25 |
Pictet Asset Management Holding SA
13F
CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,393,515 | ||
| 26 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,358,212 | ||
| 27 |
Octagon Capital Advisors LP
13F
CIK 1839435 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,350,000 | ||
| 28 |
RTW INVESTMENTS, LP
13F
CIK 1493215 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,309,021 | ||
| 29 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,288,633 | ||
| 29.1 |
Goldman Sachs Small Cap Equity Insights Fund
Fund
S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
47,673 | ||
| 29.2 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
33,128 | ||
| 29.3 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
17,403 | ||
| 29.4 |
Multi-Manager U.S. Small Cap Equity Fund
Fund
S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
|
10,172 | ||
| 29.5 |
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund
S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
|
9,211 | ||
| 30 |
Candriam S.C.A.
13F
CIK 1537014 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,088,369 | ||
| 31 |
Deep Track Capital, LP
13F
CIK 1856083 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,000,000 | ||
| 32 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,959,435 | ||
| 33 |
Siren, L.L.C.
13F
CIK 2005245 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,859,279 | ||
| 34 |
ORBIMED ADVISORS LLC
13F
CIK 1055951 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,681,300 | ||
| 35 |
Venrock Adviser, LLC
13F
CIK 1615982 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,642,166 | ||
| 36 |
EMERALD ADVISERS, LLC
13F
CIK 1015083 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,603,319 | ||
| 37 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,557,830 | ||
| 37.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
84,309 | ||
| 37.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
20,785 | ||
| 37.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
7,426 | ||
| 38 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,449,300 | ||
| 38.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
738,864 | ||
| 38.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
405,008 | ||
| 38.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
107,228 | ||
| 38.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
92,899 | ||
| 38.5 |
Schwab Small-Cap Equity Fund
Fund
S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
20,250 | ||
| 39 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,439,632 | ||
| 40 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,432,957 | ||
| 40.1 |
Small Cap Growth Fund
Fund
S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
|
1,091,549 | ||
| 41 |
SILVERARC CAPITAL MANAGEMENT, LLC
13F
CIK 1816307 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,280,707 | ||
| 42 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,213,510 | ||
| 43 |
Assenagon Asset Management S.A.
13F
CIK 1546007 · Unknown · Sep 30, 2026
|
1,182,530 | ||
| 44 |
Elmind Capital, LP
13F
CIK 2052213 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,170,740 | ||
| 45 |
|
1,122,245 | ||
| 46 |
FRED ALGER MANAGEMENT, LLC
13F
CIK 3520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,072,830 | ||
| 46.1 |
ALGER SMALL CAP FOCUS FUND
Fund
S000020958 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
|
339,997 | ||
| 46.2 |
ALGER SPECTRA FUND
Fund
S000009190 · Registered fund · Jul 31, 2026
ALGER FUNDS II, not summed
|
339,731 | ||
| 46.3 |
ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND
Fund
S000009204 · Registered fund · Jul 31, 2026
ALGER INSTITUTIONAL FUNDS, not summed
|
106,554 | ||
| 46.4 |
ALGER CAPITAL APPRECIATION FUND
Fund
S000009163 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
|
78,313 | ||
| 46.5 |
ALGER SMALL CAP GROWTH FUND
Fund
S000009160 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
|
66,127 | ||
| 47 |
Sofinnova Investments, Inc.
13F
CIK 1631134 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,035,148 | ||
| 48 |
EMERALD MUTUAL FUND ADVISERS TRUST
13F
CIK 1352895 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,031,378 | ||
| 48.1 |
Emerald Growth Fund
Fund
S000036390 · Registered fund · Apr 30, 2026
FINANCIAL INVESTORS TRUST, not summed
|
382,344 | ||
| 49 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,022,183 | ||
| 49.1 |
MFS New Discovery Fund
Fund
S000000765 · Registered fund · May 31, 2026
MFS SERIES TRUST I, not summed
|
366,818 | ||
| 49.2 |
MFS New Discovery Value Fund
Fund
S000032712 · Registered fund · May 31, 2026
MFS SERIES TRUST XIII, not summed
|
169,876 | ||
| 49.3 |
MFS New Discovery Series
Fund
S000002680 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
|
133,384 | ||
| 49.4 |
MFS Blended Research Small Cap Equity Fund
Fund
S000050659 · Registered fund · May 31, 2026
MFS SERIES TRUST X, not summed
|
21,076 | ||
| 49.5 |
MFS Blended Research Small Cap Equity Portfolio
Fund
S000008071 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
|
5,310 | ||
| 50 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
996,168 |
88 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 468 holders
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