Cerus Corp. 13F holders
186 funds reported a position in Cerus Corp. in their 13F for the quarter ended 30 June 2026, together 150.7 million shares worth $438.9 million. Against the quarter before, 34 opened a position, 71 added, 51 trimmed and 17 sold out; together they sold a net 172,974 shares. The largest holders: BlackRock, Inc., ARK Investment Management LLC and Vanguard Capital Management LLC.
Funds holding186+16 on Q1 2026
Shares they held150.7Mworth $438.9 million
Net sold on the quarter172,974 sharesabout $503,801 at the funds' values
Funds buying to selling105 to 68opened or added, to cut or sold
Opened 34Added 71Held 30Trimmed 51Sold out 17
What each fund did in CERS against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in CERS in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 31 reported a position in Cerus Corp.: 4 opened one, 4 added, 14 trimmed and 2 sold out, a net 736,264 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 8 reported a position in Cerus Corp. in a 13F for the quarter ended 30 June 2026. The largest: ARK Investment Management, 17.9 million shares worth $52.4 million, 0.3% of its reported book. New this quarter: Citadel Advisors, Point72 Asset Management. In the quarter, 6 funds added or opened a position and 2 trimmed or sold out; together they bought a net 934,999 shares, about $2.7 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| ARK Investment Management | 17,932,099 | $52.4 million | 0.3% | -1,229,049 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 5,119,019 | $15.0 million | 0.0% | +481,579 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 3,484,633 | $10.2 million | 0.0% | +739,612 | added | 30 June 2026 | 13F |
| FMR LLC | 1,412,678 | $4.1 million | 0.0% | +206,941 | added | 30 June 2026 | 13F |
| Citadel Advisors | 736,682 | $2.2 million | 0.0% | +736,682 | new | 30 June 2026 | 13F |
| Renaissance Technologies | 671,700 | $2.0 million | 0.0% | +92,800 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 228,172 | $666,262 | 0.0% | +228,172 | new | 30 June 2026 | 13F |
| Millennium Management | 108,481 | $316,765 | 0.0% | -321,738 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 22,215,127 | 14.74% | $64.9 million | 0.00% | +639,708 | 13F |
| ARK Investment Management LLC | 17,932,099 | 11.90% | $52.4 million | 0.34% | -1,229,049 | 13F |
| Vanguard Capital Management LLC | 8,563,424 | 5.68% | $25.0 million | 0.00% | +431,646 | 13F |
| Baker Bros. Advisors LP | 6,395,431 | 4.24% | $18.7 million | 0.09% | -3,612,914 | 13F |
| D. E. Shaw & Co., Inc. | 5,485,983 | 3.64% | $16.0 million | 0.01% | +1,754,832 | 13F |
| Geode Capital Management, LLC | 5,119,019 | 3.40% | $15.0 million | 0.00% | +481,579 | 13F |
| State Street Corp. | 4,753,962 | 3.15% | $13.9 million | 0.00% | +539,060 | 13F |
| Senvest Management, LLC | 4,614,061 | 3.06% | $13.5 million | 0.40% | +500,000 | 13F |
| Acadian Asset Management LLC | 4,270,074 | 2.83% | $12.5 million | 0.01% | +560,573 | 13F |
| Sumitomo Mitsui Trust Group, Inc. | 4,139,532 | 2.75% | $12.1 million | 0.01% | -377,074 | 13F |
| Amova Asset Management Americas, Inc. | 4,132,534 | 2.74% | $12.1 million | 0.16% | -384,072 | 13F |
| Silvercrest Asset Management Group LLC | 4,077,187 | 2.71% | $11.9 million | 0.08% | -164,224 | 13F |
| Two Sigma Investments, LP | 3,484,633 | 2.31% | $10.2 million | 0.01% | +739,612 | 13F |
| Silverarc Capital Management, LLC | 3,472,737 | 2.30% | $10.1 million | 1.13% | +296,190 | 13F |
| Wasatch Advisors LP | 3,383,899 | 2.25% | $9.9 million | 0.07% | -1,897,237 | 13F |
| Mackenzie Financial Corp. | 3,002,694 | 1.99% | $8.8 million | 0.01% | +2,961,958 | 13F |
| Vanguard Portfolio Management LLC | 2,768,990 | 1.84% | $8.1 million | 0.00% | +849,923 | 13F |
| Soleus Capital Management, L.P. | 2,500,000 | 1.66% | $7.3 million | 0.25% | -8,253,700 | 13F |
| Ieq Capital, LLC | 2,406,330 | 1.60% | $7.0 million | 0.03% | -36,911 | 13F |
| Goldman Sachs Group Inc. | 2,317,802 | 1.54% | $6.8 million | 0.00% | -450,801 | 13F |
| AQR Capital Management LLC | 1,878,275 | 1.25% | $5.5 million | 0.00% | -234,957 | 13F |
| Charles Schwab Investment Management Inc. | 1,733,553 | 1.15% | $5.1 million | 0.00% | +103,484 | 13F |
| Northern Trust Corp. | 1,697,977 | 1.13% | $5.0 million | 0.00% | +212,887 | 13F |
| Algert Global LLC | 1,491,119 | 0.99% | $4.4 million | 0.05% | +1,372,243 | 13F |
| Vanguard Fiduciary Trust Co. | 1,427,346 | 0.95% | $4.2 million | 0.00% | +123,248 | 13F |
| FMR LLC | 1,412,678 | 0.94% | $4.1 million | 0.00% | +206,941 | 13F |
| Ameriprise Financial Inc. | 1,159,506 | 0.77% | $3.4 million | 0.00% | +705,455 | 13F |
| Morgan Stanley | 1,118,262 | 0.74% | $3.3 million | 0.00% | +292,278 | 13F |
| Panagora Asset Management Inc. | 1,093,822 | 0.73% | $3.2 million | 0.01% | +788,576 | 13F |
| Topline Capital Management, LLC | 1,051,676 | 0.70% | $3.1 million | 0.80% | new | 13F |
| UBS Group AG | 1,002,562 | 0.67% | $2.9 million | 0.00% | -1,096,791 | 13F |
| Voya Investment Management LLC | 998,804 | 0.66% | $2.9 million | 0.00% | -108,544 | 13F |
| Franklin Resources Inc. | 899,385 | 0.60% | $2.6 million | 0.00% | +750,731 | 13F |
| Bank of America Corp. | 868,457 | 0.58% | $2.5 million | 0.00% | -349,873 | 13F |
| Primecap Management Co. | 781,800 | 0.52% | $2.3 million | 0.00% | -7,500 | 13F |
| IQ EQ FUND Management (Ireland) Ltd | 744,658 | 0.49% | $2.2 million | 0.14% | -36,296 | 13F |
| Citadel Advisors LLC | 736,682 | 0.49% | $2.2 million | 0.00% | new | 13F |
| Citigroup Inc. | 678,595 | 0.45% | $2.0 million | 0.00% | +646,984 | 13F |
| Renaissance Technologies LLC | 671,700 | 0.45% | $2.0 million | 0.00% | +92,800 | 13F |
| Russell Investments Group, Ltd. | 665,244 | 0.44% | $1.9 million | 0.00% | +199,208 | 13F |
| AllianceBernstein L.P. | 1,029,160 | 0.68% | $1.9 million | 0.00% | +842,053 | 13F |
| Assenagon Asset Management S.A. | 630,100 | 0.42% | $1.8 million | 0.00% | 13F | |
| Bank of New York Mellon Corp | 559,834 | 0.37% | $1.6 million | 0.00% | +52,379 | 13F |
| Globeflex Capital L P | 522,099 | 0.35% | $1.5 million | 0.20% | no change | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 469,918 | 0.31% | $1.4 million | 0.00% | -216,979 | 13F |
| Driehaus Capital Management LLC | 424,610 | 0.28% | $1.2 million | 0.01% | -536,996 | 13F |
| Nuveen, LLC | 419,026 | 0.28% | $1.2 million | 0.00% | +25,840 | 13F |
| Informed Momentum Co LLC | 405,071 | 0.27% | $1.2 million | 0.10% | new | 13F |
| Round Rock Advisors LLC | 355,962 | 0.24% | $1.0 million | 0.13% | +90,996 | 13F |
| Atom Investors LP | 338,018 | 0.22% | $987,013 | 0.09% | -13,196 | 13F |
The 50 largest of the 186 funds that reported a position in CERS in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on CERS
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 77,500 | $226,300 | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 29,600 | $86,432 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G/A | Baker Bros. Advisors LP and 7 others | 6.4 million | 3.2% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 August 2026 | 13G/A | ARK Investment Management LLC and 3 others | 17.9 million | 8.9% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 13 August 2026 | 13G/A | Soleus Capital Master Fund, L.P. and 11 others | 2.5 million | 1.2% | 30 June 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 24 March 2026 | 13G | Soleus Capital Master Fund, L.P. and 11 others | 9.8 million | 5.1% | 23 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 14 November 2025 | 13G/A | Baker Bros. Advisors LP and 7 others | 10.0 million | 5.2% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 26 August 2026 | 541 | $2.72 | SEC |
| 24 August 2026 | 2,572 | $2.81 | SEC |
| 21 August 2026 | 227 | $2.79 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.