<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM N-8A
NOTIFICATION OF REGISTRATION
FILED PURSUANT TO SECTION 8(A) OF THE
INVESTMENT COMPANY ACT OF 1940
The undersigned investment company hereby notifies the Securities and
Exchange Commission that it registers under and pursuant to the provisions of
Section 8(a) of the Investment Company Act of 1940 and in connection with such
notification of registration submits the following information:
Name: State Street Institutional Investment Trust
-------------------------------------------
Address of Principal Business Office (No. & Street, City, State, Zip Code):
P O Box 1713, Boston, MA 02105-1713
- -----------------------------------
Telephone Number (including area code): 617-662-3968
-------------
Name and address of agent for service of process:
Julie A. Tedesco, State Street Bank & Trust Company,
- ----------------------------------------------------
P O Box 1713, Boston, MA 02105-1713
- -----------------------------------
Check Appropriate Box:
Registrant is filing a Registration Statement pursuant to Section
8(b) of the Investment Company Act of 1940 concurrently with the filing of
Form N-8A: Yes /X/ No / /
<PAGE>
Pursuant to the requirements of the Investment Company Act of 1940, the
Registrant has caused this notification of registration to be duly signed on its
behalf in the City of Boston and The Commonwealth of Massachusetts on this 16th
day of February, 2000.
STATE STREET INSTITUTIONAL
INVESTMENT TRUST
By: /s/ James B. Little*
-------------------------
James B. Little
President
*By /s/ Julie A. Tedesco
-------------------------
Julie A. Tedesco
Attorney-in-fact, pursuant to Power
of Attorney attached hereto as
Exhibit A
Attest:
/s/ Jennifer S. From
- ----------------------
Name: Jennifer S. From
-2-
<PAGE>
EXHIBIT A
POWER OF ATTORNEY
The undersigned officer of State Street Institutional Investment Trust (the
"Trust") hereby constitutes and appoints Julie A. Tedesco, Esq., and Jennifer S.
Fromm, Esq. each of them with full powers of substitution, as his true and
lawful attorney-in-fact and agent to execute in his name and on his behalf in
any and all capacities the Registration Statements on Form N-1A, and any and all
amendments thereto, and all other documents, filed by the Trust or its
affiliates with the Securities and Exchange Commission (the "SEC"') under the
Investment Company Act of 1940, as amended, and (as applicable) the Securities
Act of 1933, as amended, and any and all instruments which such attorneys and
agents, or any of them, deem necessary or advisable to enable the Trust or its
affiliates to comply with such Acts, the rules, regulations and requirements of
the SEC, and the securities or Blue Sky laws of any state or other jurisdiction,
and to file the same, with all exhibits thereto and other documents in
connection therewith, with the SEC and such other jurisdictions, and the
undersigned each hereby ratifies and confirms as his own act and deed any and
all acts that such attorneys and agents, or any of them, shall do or cause to be
done by virtue hereof. Any one of such attorneys and agents has, and may
exercise, all of the powers hereby conferred. The undersigned hereby revokes any
Powers of Attorney previously granted with respect to the Trust or its
affiliates concerning the filings and actions described herein.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand as of the 4th day
of February 2000.
SIGNATURE TITLE
/s/ James B. Little President and Treasurer
- -------------------
James B. Little
-3-
