ALUMIS INC (ALMS) Institutional Shareholders
ALUMIS INC (ALMS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.74B in ALMS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ALMS tracked by InsiderSet, reporting ownership valued at approximately $231.26M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $209.56M, representing an estimated loss of -9.38% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed ALMS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Deep Track Capital, Lp, and several other long-term asset managers with concentrated positions in ALUMIS INC (ALMS).
This page ranks the largest institutional ALMS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
193
Total Reported Value
$2.74B
Largest Holder
Blackrock, Inc.
Largest Position
$231.26M
Insider Transactions (90d)
14
Latest Filing Quarter
Q2 2026
New Institutional Positions
98
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 8,218,151 | $231,258,771 | $209,562,851 | -$21,695,921 | -9.38% | |
| Fmr Llc | 0.01% | 6,769,170 | $190,484,444 | $172,613,835 | -$17,870,609 | -9.38% | |
| Deep Track Capital, Lp | 2.63% | 6,348,558 | $178,648,422 | $161,888,229 | -$16,760,193 | -9.38% | |
| Samsara Biocapital, Llc | 14.67% | 6,345,219 | $178,554,463 | $161,803,085 | -$16,751,379 | -9.38% | |
| Foresite Capital Management V, Llc | 45.81% | 5,896,995 | $165,941,439 | $150,373,373 | -$15,568,067 | -9.38% | |
| Venbio Partners Llc | 24.53% | 4,528,408 | $127,429,401 | $115,474,404 | -$11,954,997 | -9.38% | |
| Foresite Capital Management Vi Llc | 18.60% | 4,247,670 | $119,529,434 | $108,315,585 | -$11,213,849 | -9.38% | |
| Vanguard Capital Management Llc | 0.00% | 4,215,703 | $118,629,882 | $107,500,427 | -$11,129,456 | -9.38% | |
| Nextech Invest, Ltd. | 4.73% | 3,540,998 | $99,643,684 | $90,295,449 | -$9,348,235 | -9.38% | |
| Cormorant Asset Management, Lp | 4.74% | 3,285,596 | $92,456,671 | $83,782,698 | -$8,673,973 | -9.38% | |
| Saturn V Capital Management Lp | 11.76% | 2,915,443 | $82,040,566 | $74,343,797 | -$7,696,770 | -9.38% | |
| Octagon Capital Advisors Lp | 7.31% | 2,830,700 | $79,655,898 | $72,182,850 | -$7,473,048 | -9.38% | |
| State Street Corp | 0.00% | 2,187,266 | $61,549,665 | $55,775,283 | -$5,774,382 | -9.38% | |
| Geode Capital Management, Llc | 0.00% | 2,168,517 | $61,033,791 | $55,297,184 | -$5,736,608 | -9.40% | |
| Mpm Bioimpact Llc | 3.46% | 2,019,020 | $56,815,223 | $51,485,010 | -$5,330,213 | -9.38% | |
| Baker Bros. Advisors Lp | 0.28% | 2,012,500 | $56,631,750 | $51,318,750 | -$5,313,000 | -9.38% | |
| Sr One Capital Management, Lp | 5.31% | 1,959,896 | $55,151,473 | $49,977,348 | -$5,174,125 | -9.38% | |
| Janus Henderson Group Plc | 0.02% | 2,095,408 | $46,151,361 | $53,432,904 | +$7,281,543 | +15.78% | |
| Invesco Ltd. | 0.00% | 1,173,518 | $33,022,796 | $29,924,709 | -$3,098,087 | -9.38% | |
| Novo Holdings A/S | 1.80% | 1,100,000 | $30,954,000 | $28,050,000 | -$2,904,000 | -9.38% | |
| Principal Financial Group Inc | 0.01% | 1,068,060 | $30,055,208 | $27,235,530 | -$2,819,678 | -9.38% | |
| D. E. Shaw & Co., Inc. | 0.02% | 968,234 | $27,246,105 | $24,689,967 | -$2,556,138 | -9.38% | |
| Ubs Group Ag | 0.00% | 951,796 | $26,783,540 | $24,270,798 | -$2,512,742 | -9.38% | |
| Jpmorgan Chase & Co | 0.00% | 969,617 | $26,407,356 | $24,725,234 | -$1,682,123 | -6.37% | |
| Vanguard Portfolio Management Llc | 0.00% | 921,211 | $25,922,878 | $23,490,881 | -$2,431,998 | -9.38% | |
| Ikarian Capital, Llc | 4.01% | 870,548 | $24,497,220 | $22,198,974 | -$2,298,246 | -9.38% | |
| Great Point Partners Llc | 5.68% | 856,061 | $24,089,557 | $21,829,556 | -$2,260,002 | -9.38% | |
| Goldman Sachs Group Inc | 0.00% | 831,897 | $23,409,581 | $21,213,374 | -$2,196,208 | -9.38% | |
| Northern Trust Corp | 0.00% | 723,849 | $20,369,111 | $18,458,150 | -$1,910,962 | -9.38% | |
| Charles Schwab Investment Management Inc | 0.00% | 700,134 | $19,701,771 | $17,853,417 | -$1,848,354 | -9.38% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 700,134 | $19,701,771 | $17,853,417 | -$1,848,354 | -9.38% | |
| Integral Health Asset Management, Llc | 0.81% | 700,000 | $19,698,000 | $17,850,000 | -$1,848,000 | -9.38% | |
| Millennium Management Llc | 0.01% | 660,142 | $18,576,396 | $16,833,621 | -$1,742,775 | -9.38% | |
| Vanguard Fiduciary Trust Co | 0.00% | 612,010 | $17,221,961 | $15,606,255 | -$1,615,706 | -9.38% | |
| Opaleye Management Inc. | 1.40% | 550,000 | $15,477,000 | $14,025,000 | -$1,452,000 | -9.38% | |
| Orbimed Advisors Llc | 0.29% | 548,163 | $15,425,307 | $13,978,157 | -$1,447,151 | -9.38% | |
| Royce & Associates Lp | 0.12% | 525,303 | $14,782,026 | $13,395,227 | -$1,386,800 | -9.38% | |
| Woodline Partners Lp | 0.04% | 486,052 | $13,677,503 | $12,394,326 | -$1,283,177 | -9.38% | |
| Spruce Street Capital Lp | 2.17% | 392,574 | $11,047,032 | $10,010,637 | -$1,036,395 | -9.38% | |
| Trium Capital Llp | 6.92% | 390,268 | $10,982,142 | $9,951,834 | -$1,030,308 | -9.38% | |
| Citigroup Inc | 0.01% | 385,400 | $10,845,156 | $9,827,700 | -$1,017,456 | -9.38% | |
| Two Sigma Investments, Lp | 0.01% | 376,119 | $10,583,989 | $9,591,035 | -$992,955 | -9.38% | |
| Marshall Wace, Llp | 0.01% | 368,014 | $10,355,915 | $9,384,357 | -$971,558 | -9.38% | |
| Morgan Stanley | 0.00% | 321,163 | $9,037,528 | $8,189,657 | -$847,872 | -9.38% | |
| Voloridge Investment Management, Llc | 0.04% | 320,861 | $9,029,029 | $8,181,956 | -$847,074 | -9.38% | |
| Weiss Asset Management Lp | 0.10% | 311,371 | $8,761,980 | $7,939,961 | -$822,020 | -9.38% | |
| Artia Global Partners Lp | 1.49% | 278,546 | $7,838,284 | $7,102,923 | -$735,361 | -9.38% | |
| Barclays Plc | 0.00% | 273,716 | $7,702,368 | $6,979,758 | -$722,610 | -9.38% | |
| Yu Fan | 6.59% | 252,672 | $7,110,190 | $6,443,136 | -$667,054 | -9.38% | |
| Nuveen, Llc | 0.00% | 243,872 | $6,862,558 | $6,218,736 | -$643,822 | -9.38% |
Frequently asked questions about ALMS
Who owns the most ALMS stock?
The largest holders of ALMS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ALUMIS INC (ALMS).
Is ALMS widely held by superinvestors?
Many widely followed stocks like ALMS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ALMS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.