Rule 30a-2(a) CERTIFICATIONS


I, Dan C. Chung, certify that:

1. I have reviewed this report on Form N-CSR of The Alger Institutional Funds;

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
over financial reporting (as defined in Rule 30a-3(d) under the Investment
Company Act of 1940) for the registrant and have:

   (a)  Designed  such  disclosure  controls  and  procedures,  or  caused  such
   disclosure  controls and procedures to be designed under our supervision,  to
   ensure that material  information  relating to the registrant,  including its
   consolidated  subsidiaries,  is  made  known  to us by  others  within  those
   entities,  particularly  during  the  period  in which  this  report is being
   prepared;

   (b) Designed such internal control over financial  reporting,  or caused such
   internal   control  over  financial   reporting  to  be  designed  under  our
   supervision,  to provide  reasonable  assurance  regarding the reliability of
   financial reporting and the preparation of financial  statements for external
   purposes in accordance with generally accepted accounting principles;

   (c) Evaluated the effectiveness of the registrant's  disclosure  controls and
   procedures   and  presented  in  this  report  our   conclusions   about  the
   effectiveness of the disclosure controls and procedures,  as of a date within
   90 days prior to the filing date of this report based on such evaluation; and

   (d) Disclosed in this report any change in the registrant's  internal control
   over financial  reporting that occurred during the  registrant's  most recent
   fiscal half-year (the registrant's  second fiscal half-year in the case of an
   annual  report) that has  materially  affected,  or is  reasonably  likely to
   materially   affect,   the  registrant's   internal  control  over  financial
   reporting; and

5. The registrant's other certifying officer(s) and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
directors (or persons performing the equivalent functions):

   (a) All  significant  deficiencies  and material  weaknesses in the design or
   operation of internal  control over financial  reporting which are reasonably
   likely to  adversely  affect the  registrant's  ability  to record,  process,
   summarize, and report financial information; and

   (b) Any fraud,  whether or not material,  that  involves  management or other
   employees who have a significant  role in the  registrant's  internal control
   over financial reporting.

Date: June 30, 2004

/s/ Dan C. Chung

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Dan C. Chung

President



                          Rule 30a-2(a) CERTIFICATIONS


I, Frederick A. Blum, certify that:

1. I have reviewed this report on Form N-CSR of The Alger Institutional Funds;

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
over financial reporting (as defined in Rule 30a-3(d) under the Investment
Company Act of 1940) for the registrant and have:

   (a)  Designed  such  disclosure  controls  and  procedures,  or  caused  such
   disclosure  controls and procedures to be designed under our supervision,  to
   ensure that material  information  relating to the registrant,  including its
   consolidated  subsidiaries,  is  made  known  to us by  others  within  those
   entities,  particularly  during  the  period  in which  this  report is being
   prepared;

   (b) Designed such internal control over financial  reporting,  or caused such
   internal   control  over  financial   reporting  to  be  designed  under  our
   supervision,  to provide  reasonable  assurance  regarding the reliability of
   financial reporting and the preparation of financial  statements for external
   purposes in accordance with generally accepted accounting principles;

   (c) Evaluated the effectiveness of the registrant's  disclosure  controls and
   procedures   and  presented  in  this  report  our   conclusions   about  the
   effectiveness of the disclosure controls and procedures,  as of a date within
   90 days prior to the filing date of this report based on such evaluation; and

   (d) Disclosed in this report any change in the registrant's  internal control
   over financial  reporting that occurred during the  registrant's  most recent
   fiscal half-year (the registrant's  second fiscal half-year in the case of an
   annual  report) that has  materially  affected,  or is  reasonably  likely to
   materially   affect,   the  registrant's   internal  control  over  financial
   reporting; and

5. The registrant's other certifying officer(s) and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
directors (or persons performing the equivalent functions):

   (a) All  significant  deficiencies  and material  weaknesses in the design or
   operation of internal  control over financial  reporting which are reasonably
   likely to  adversely  affect the  registrant's  ability  to record,  process,
   summarize, and report financial information; and

   (b) Any fraud,  whether or not material,  that  involves  management or other
   employees who have a significant  role in the  registrant's  internal control
   over financial reporting.

Date: June 30, 2004

/s/ Frederick A. Blum

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Frederick A. Blum

Treasurer