Latest Period
Q2 2026
CUSIP: 492327101
Latest Period
Q2 2026
Institutions Reporting
131
Shares (Excl. Options)
18,554,080
Price
$10.70
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
Latest holder context comes from 131 institutions filings for Q2 2026.
Security key
492327101
Latest holder period
Q2 2026
13F holders
131
13D/G owners
9
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 492327101:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 8.4% | -17% | $17,883,704 | -$3,418,703 | 1,671,343 | -16% | BlackRock, Inc. | 30 Jun 2026 |
| Nantahala Capital Management, LLC | 6.9% | $17,073,258 | 1,360,419 | Nantahala Capital Management, LLC | 31 Mar 2026 | |||
| BlackRock Portfolio Management LLC | 5.7% | $12,014,976 | 1,122,874 | BlackRock Portfolio Management LLC | 30 Jun 2026 | |||
| ALKEON CAPITAL MANAGEMENT LLC | 2.7% | $15,645,210 | 1,101,000 | Alkeon Capital Management LLC | 31 Dec 2024 | |||
| Madison Avenue Partners, LP | 2.7% | -62% | $16,062,286 | -$34,918,552 | 823,707 | -68% | Madison Avenue International LP | 31 Dec 2025 |
| D. E. SHAW & CO, L.P. | 3.9% | -24% | $14,745,042 | -$15,400,944 | 756,156 | -51% | D. E. Shaw & Co., L.P. | 31 Dec 2025 |
| FMR LLC | 1.7% | $10,010,547 | 704,472 | FMR LLC | 31 Jan 2025 | |||
| JPMORGAN CHASE & CO | 0.2% | -102% | $1,617,141 | -$35,146,204 | 113,803 | -96% | JPMORGAN CHASE & CO. | 30 Apr 2025 |
| ExodusPoint Capital Management, LP | 0.04% | -104% | $260,520 | -$36,943,510 | 13,360 | -99% | ExodusPoint Capital Management, LP | 31 Dec 2025 |
As of 30 Jun 2026, 131 institutional investors reported holding 18,554,080 shares of Keros Therapeutics, Inc. - Common Stock (KROS). This represents 93% of the company’s total 19,896,940 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | 2,794,217 | +16% | 0% | $29,898,120 |
| Nantahala Capital Management, LLC | 7.1% | 1,410,419 | +3.7% | 0.91% | $15,091,483 |
| AQR CAPITAL MANAGEMENT LLC | 4.9% | 967,859 | +138% | 0% | $10,356,092 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 833,596 | +0.26% | 0% | $8,919,477 |
| ORBIMED ADVISORS LLC | 3.8% | 759,155 | 0% | 0.15% | $8,122,959 |
| FEDERATED HERMES, INC. | 3.5% | 700,427 | +1.6% | 0.01% | $7,494,569 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.3% | 652,635 | -4.3% | 0% | $6,983,195 |
| MACKENZIE FINANCIAL CORP | 3.2% | 628,438 | +312% | 0.01% | $6,724,287 |
| Madison Avenue Partners, LP | 3.1% | 626,583 | 0% | 0.29% | $6,704,438 |
| Qube Research & Technologies Ltd | 3.1% | 608,837 | -16% | 0.01% | $6,514,556 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 3% | 605,445 | -14% | 0.02% | $6,478,262 |
| STATE STREET CORP | 2.7% | 541,193 | -3.7% | 0% | $5,790,765 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 510,841 | -25% | 0% | $5,467,568 |
| DIMENSIONAL FUND ADVISORS LP | 2.3% | 460,541 | +43% | 0% | $4,928,290 |
| CITADEL ADVISORS LLC | 2% | 396,098 | -2.6% | 0% | $4,238,249 |
| RENAISSANCE TECHNOLOGIES LLC | 1.8% | 359,086 | -21% | 0.01% | $3,842,220 |
| D. E. Shaw & Co., Inc. | 1.3% | 267,460 | -48% | 0% | $2,861,822 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.3% | 265,017 | +36% | 0.05% | $2,835,682 |
| Nuveen, LLC | 1.2% | 247,756 | -5.5% | 0% | $2,650,989 |
| ADAR1 Capital Management, LLC | 1.2% | 246,818 | +154% | 0.13% | $2,640,953 |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 246,649 | -32% | 0% | $2,639,144 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.2% | 233,175 | -60% | 0% | $2,494,973 |
| MILLENNIUM MANAGEMENT LLC | 0.93% | 184,822 | +73% | 0% | $1,977,595 |
| GOLDMAN SACHS GROUP INC | 0.89% | 177,846 | -21% | 0% | $1,902,953 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.8% | 158,712 | -12% | 0% | $1,698,218 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 18,554,080 | $198,575,096 | -$967,043 | $10.70 | 131 |
| 2026 Q1 | 18,564,379 | $204,931,904 | -$29,234,874 | $11.04 | 148 |
| 2025 Q4 | 20,068,584 | $408,418,044 | -$274,897,076 | $20.36 | 163 |
| 2025 Q3 | 35,272,212 | $558,014,186 | -$7,638,925 | $15.82 | 151 |
| 2025 Q2 | 35,922,272 | $479,567,957 | +$53,894,426 | $13.35 | 134 |
| 2025 Q1 | 32,796,190 | $334,208,916 | -$101,548,195 | $10.19 | 154 |
| 2024 Q4 | 36,741,918 | $581,640,265 | -$99,583,348 | $15.83 | 159 |
| 2024 Q3 | 34,948,467 | $2,029,993,469 | +$197,656,348 | $58.07 | 162 |
| 2024 Q2 | 31,483,081 | $1,437,735,495 | -$1,704,535 | $45.70 | 150 |
| 2024 Q1 | 31,378,208 | $2,077,197,760 | +$376,189,592 | $66.20 | 144 |
| 2023 Q4 | 25,748,679 | $1,023,986,857 | +$107,389,201 | $39.76 | 119 |
| 2023 Q3 | 22,915,590 | $730,562,303 | +$10,983,703 | $31.88 | 106 |
| 2023 Q2 | 22,423,232 | $900,980,099 | +$13,493,306 | $40.18 | 121 |
| 2023 Q1 | 22,003,238 | $936,983,921 | +$94,494,039 | $42.70 | 128 |
| 2022 Q4 | 19,814,952 | $951,517,038 | +$88,887,412 | $48.02 | 122 |
| 2022 Q3 | 18,166,429 | $683,394,048 | +$33,259,877 | $37.62 | 107 |
| 2022 Q2 | 17,360,328 | $479,673,115 | +$10,253,619 | $27.63 | 101 |
| 2022 Q1 | 16,425,972 | $892,979,574 | +$13,785,386 | $54.38 | 101 |
| 2021 Q4 | 16,155,340 | $944,400,680 | +$68,408,989 | $58.51 | 96 |
| 2021 Q3 | 13,732,777 | $543,300,250 | -$15,835,150 | $39.56 | 86 |
| 2021 Q2 | 14,120,390 | $599,680,759 | -$43,588,395 | $42.47 | 79 |
| 2021 Q1 | 14,412,080 | $887,014,019 | -$122,639,102 | $61.55 | 83 |
| 2020 Q4 | 16,029,747 | $1,129,296,879 | +$301,336,670 | $70.54 | 81 |
| 2020 Q3 | 11,780,724 | $454,579,430 | +$33,779,230 | $38.57 | 49 |
| 2020 Q2 | 10,926,163 | $409,790,602 | +$409,790,602 | $37.51 | 51 |