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Equibles

CERS

Cerus Corp

Company with tickers: CERS

CIK
1020214
CUSIP
157085101
Shares Outstanding
200,368,974
13F Activity (30d)
134 filings 129 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 168
Total Value: $276,259,414
Total Shares: 151,790,946
Showing 1–100 of 170 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 168 13F filers · Δ vs Dec 31, 2025
Top Holder
14.2%
Jun 2023 → Mar 2026 · range 13.1% – 14.9%
−0.7 pts
Top 5
45.9%
Jun 2023 → Mar 2026 · range 45.5% – 51.0%
+0.4 pts
Top 10
61.2%
Jun 2023 → Mar 2026 · range 60.9% – 73.7%
+0.2 pts
HHI
585
Jun 2023 → Mar 2026 · range 585 – 720
Broadly held −10

Quarterly Activity

vs Dec 31, 2025
New
25
Increased
59
Decreased
54
Sold Out
17
Unchanged
30
Holder count: +8
Institutional value: -8.6%
Shares held: +3.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Soleus Capital Management, L.P. +6,753,700 10,753,700
Large ARK Investment Management LLC +960,944 19,161,148
Mega UBS Group AG +956,851 2,099,353
Mega TWO SIGMA INVESTMENTS, LP +887,911 2,745,021
Large ACADIAN ASSET MANAGEMENT LLC +431,390 3,709,501

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MORGAN STANLEY −1,114,173 825,984
Mega CITADEL ADVISORS LLC −862,220 188,600
Mega BARCLAYS PLC −619,762 270,979
Mega MILLENNIUM MANAGEMENT LLC −537,475 430,219
Mega Nuveen, LLC −447,274 393,186

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 8,131,778 $14,799,835
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 1,919,067 $3,492,701
Mega VANGUARD FIDUCIARY TRUST CO 1,304,098 $2,373,458
Large Driehaus Capital Management LLC 961,606 $1,750,122
Mid Atom Investors LP 351,214 $639,209

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 11,163,121 $22,996,027
Large TWO SIGMA ADVISERS, LP 1,397,900 $2,879,674
Small KOTLER KEVIN 1,011,614 $2,083,924
Small Topline Capital Management, LLC 410,963 $846,583
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 255,961 $527,279
Filter: New 25 Increased 59 Reduced 54 Sold out 17 Unchanged 30
Showing 100 of 170
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Small SJS Investment Consulting Inc. $50 0.00% 28
Small Covestor Ltd $67 0.00% 37
Micro Wealth Preservation Advisors, LLC $132 0.00% 73
Large LOS ANGELES CAPITAL MANAGEMENT LLC $254 0.00% 140
Mid SBI Securities Co., Ltd. Broker-Dealer $273 0.00% 150
Micro C M BIDWELL & ASSOCIATES LTD $349 0.00% 192
Small Sunbelt Securities, Inc. Broker-Dealer $411 0.00% 226
Small Parkside Financial Bank & Trust Bank $646 0.00% 355
Mid Farther Finance Advisors, LLC $753 0.00% 414
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $777 0.00% 427
Mid MAI Capital Management $789 0.00% 434
Mid SIMPLEX TRADING, LLC $1,439 0.00% 791
Mid ROTHSCHILD INVESTMENT LLC $1,441 0.00% 792
Mid GAMMA Investing LLC $1,496 0.00% 822
Small CoreCap Advisors, LLC $1,820 0.00% 1,000
Mid Sterling Capital Management LLC $2,185 0.00% 1,201
Mid IFP Advisors, Inc $2,386 0.00% 1,311
Mid Optiver Holding B.V. $2,730 0.00% 1,500
Large OSAIC HOLDINGS, INC. $4,120 0.00% 2,264
Small Medallion Wealth Advisors, LLC $4,219 0.00% 2,319
Micro BURKETT FINANCIAL SERVICES, LLC $4,449 0.00% 2,445
Mid Advisory Services Network, LLC $4,582 0.00% 2,518
Micro True Wealth Design, LLC $5,574 0.00% 3,063
Mid Allworth Financial LP $6,171 0.00% 3,391
Mega ROYAL BANK OF CANADA Bank $6,842 0.00% 3,760
Mid Arax Advisory Partners $7,249 0.00% 3,983
Mid Geneos Wealth Management Inc. $7,280 0.00% 4,000
Mid EverSource Wealth Advisors, LLC $10,532 0.00% 5,788
Small Capital Advisors, Ltd. LLC $16,380 0.01% 9,000
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $18,190 0.01% 9,995
Mega JANE STREET GROUP, LLC $18,382 0.01% 10,100
Large Corient Private Wealth LLC $18,451 0.01% 10,138
Small AXQ CAPITAL, LP $18,467 0.01% 10,147
Mid Smartleaf Asset Management LLC $18,798 0.01% 10,329
Small Abel Hall, LLC $19,330 0.01% 10,621
Mid CHOREO, LLC $20,012 0.01% 10,996
Micro Burton Enright Welch $20,121 0.01% 11,056
Mid GROUP ONE TRADING LLC $22,072 0.01% 12,128
Micro Williams & Novak, LLC $22,577 0.01% 12,405
Mid IMC-Chicago, LLC $22,817 0.01% 12,537
Mid Private Advisor Group, LLC $23,823 0.01% 13,090
Mega PRINCIPAL FINANCIAL GROUP INC $24,355 0.01% 13,382
Large Rockefeller Capital Management L.P. $24,699 0.01% 13,571
Mega NEUBERGER BERMAN GROUP LLC $25,250 0.01% 13,874
Large Pathstone Holdings, LLC $25,480 0.01% 14,000
Mid Integrated Wealth Concepts LLC $25,827 0.01% 14,191
Mid Jump Financial, LLC $26,546 0.01% 14,586
Small Aprio Wealth Management, LLC $27,300 0.01% 15,000
Small Caitong International Asset Management Co., Ltd $27,749 0.01% 15,247
Mid Krilogy Financial LLC $27,867 0.01% 15,312
Mid Merit Financial Group, LLC $27,905 0.01% 15,333
Large XPONANCE LLC $30,095 0.01% 16,536
Micro Verdad Advisers, LP $30,774 0.01% 16,909
Mega Legal & General Group Plc $31,313 0.01% 17,205
Mid Ameritas Investment Partners, Inc. $31,850 0.01% 17,500
Small R Squared Ltd $33,660 0.01% 18,495
Mid Y-Intercept (Hong Kong) Ltd $34,843 0.01% 19,145
Small BINGHAM PRIVATE WEALTH, LLC $35,035 0.01% 19,250
Small Essential Partners LLC $35,642 0.01% 19,584
Mega VICTORY CAPITAL MANAGEMENT INC $38,134 0.01% 20,953
Mid NINE MASTS CAPITAL Ltd $39,199 0.01% 21,538
Large MML INVESTORS SERVICES, LLC $44,919 0.02% 24,681
Mid Focus Partners Advisor Solutions, LLC $46,914 0.02% 25,777
Large SG Americas Securities, LLC Broker-Dealer $48,692 0.02% 26,754
Large ProShare Advisors LLC $48,726 0.02% 26,773
Mid Brevan Howard Capital Management LP $48,916 0.02% 26,877
Large PRUDENTIAL FINANCIAL INC $51,939 0.02% 28,538
Small Scientech Research LLC $53,220 0.02% 29,242
Mid Pallas Capital Advisors LLC $56,405 0.02% 30,992
Mid HUB Investment Partners, LLC $57,330 0.02% 31,500
Mega CITIGROUP INC $57,531 0.02% 31,611
Mid INTECH INVESTMENT MANAGEMENT LLC $58,660 0.02% 32,231
Large PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO Pension $58,946 0.02% 32,388
Mid Laird Norton Wetherby Trust Company, LLC Bank $61,625 0.02% 33,860
Large SEI INVESTMENTS CO $63,110 0.02% 34,676
Small EntryPoint Capital, LLC $72,681 0.03% 39,935
Large MACKENZIE FINANCIAL CORP $74,139 0.03% 40,736
Large CAPTRUST FINANCIAL ADVISORS $75,011 0.03% 41,215
Mid Tower Research Capital LLC (TRC) $75,931 0.03% 41,721
Large Steward Partners Investment Advisory, LLC $81,463 0.03% 44,760
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $82,256 0.03% 45,196
Large Janney Montgomery Scott LLC $85,722 0.03% 47,100
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $94,137 0.03% 51,724
Mega CITADEL ADVISORS LLC $95,186 0.03% 52,300
Mega JANE STREET GROUP, LLC $96,792 0.04% 53,183
Large Squarepoint Ops LLC $99,988 0.04% 54,939
Large MERCER GLOBAL ADVISORS INC /ADV $105,414 0.04% 57,920
Large Police & Firemen's Retirement System of New Jersey Pension $108,765 0.04% 59,761
Large MetLife Investment Management, LLC $115,600 0.04% 63,517
Large Mariner, LLC $132,024 0.05% 72,541
Mega JPMORGAN CHASE & CO $145,016 0.05% 79,680
Large FIRST MANHATTAN CO. LLC. $149,240 0.05% 82,000
Mega BNP PARIBAS ARBITRAGE, SA $149,474 0.05% 82,129
Large Creative Planning $151,744 0.05% 83,376
Mega LPL Financial LLC $153,480 0.06% 84,330
Small Joel Isaacson & Co., LLC $154,700 0.06% 85,000
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $159,856 0.06% 87,833
Mid Engineers Gate Manager LP $161,554 0.06% 88,766
Mega WELLS FARGO & COMPANY/MN $172,162 0.06% 94,595
Small Headlands Technologies LLC $186,817 0.07% 102,647

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