SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. _)
Aluminum Company of America
(Name of Issuer)
Common Stock
(Title of Class of Securities)
022249106
(CUSIP Number)
*The remainder of this cover page shall be
filled out for a reporting person's initial
filing on this form with respect to the
subject class of securities, and for any
subsequent amendment containing information
which would alter the disclosures provided in
a prior cover page.
The information required in the remainder of
this cover page shall not be deemed to be
"filed" for the purpose of Section 18 of
the Securities Exchange Act of 1934 ("Act")
or otherwise subjectto the liabilities of
that Section of the Act but shall be subject
to all other provisions of the Act (however,
see the Notes).
CUSIP No. 022249106
1. Name of Reporting Persons
IRS Identification No. of Above Person
(entities only)
Loomis, Sayles & Company, L.P.
I.R.S. Tax I.D. No. 04-3200030
2. Check the Appropriate Box if a Member of a Group*
(a) [ ]
(b) [ ]
3. SEC USE ONLY
4. Citizenship or Place of Organization: Delaware
5. Sole Voting Power: 8,400
6. Shared Voting Power: -0-
7. Sole Dispositive Power: none
8. Shared Dispositive Power: 11,301,464
9. Aggregate Amount Beneficially
Owned by Each Reporting Person: 11,301,464
10. Check if the Aggregate Amount in
Row (9) Excludes Certain Shares*: [ ]
11. Percent of Class Represented
by Amount in Row 9: 6.15%
12. Type of Reporting Person: IA
Item 1. (a) Name of Issuer:
Aluminum Company of America
(b) Address of Issuer's Principal Executive Offices:
425 Sixth Avenue, Alcoa Building
Pittsburgh, Pennsylvania 15219-1850
Item 2. (a) Name of Person Filing:
Loomis, Sayles & Company, L.P.
(b) Address of Principal Business Office or,
if none, Residence:
One Financial Center, Boston, MA 02111
(c) Citizenship: Delaware
(d) Title of Class of Securities: Common Stock
(e) CUSIP Number: 022249106
Item 3. If this statement is filed pursuant
to Rule 13d-1(b), or 13d-2(b), check whether
the person filing is a:
(a) [ ] Broker or Dealer registered under Section
15 of the Act
(b) [ ] Bank as defined in Section 3(a)(6)
of the Act
(c) [ ] Insurance Company as defined in
Section 3(a)(19) of the Act
(d) [ ] Investment Company registered under
Section 8 of the Investment Company Act
(e) [X] Investment Adviser registered under
Section 203 of the Investment Advisers
Act of 1940
(f) [ ] Employee Benefit Plan, Pension Fund
which is subject to the provisions of the
Employee Retirement Income Security
Act of 1974 or Endowment Fund; see
Section 240.13d-1(b)(1)(ii)(F)
(g) [ ] Parent Holding Company, in
accordance with Section 240.13d-1(b)(ii)(G)
(Note: See Item 7)
(h) [ ] Group, in accordance with Section
240.13d-1(b)(1)(ii)(H)
Item 4. Ownership.
If the percent of class owned, as of December
31 of the year covered by the statement, or
as of the last day of any month described in
Rule 13d-1(b)(2), if applicable, exceeds five
percent, provide the following information as
of that date and identify those shares which
there is a right to acquire.
(a) Amount Beneficially Owned: 11,301,464
(b) Percent of Class: 6.15%
(c) Number of shares as to which
such person has:
(i) sole power to vote or to
direct the vote: 8,400
(ii) shared power to vote or to
direct the vote: -0-
(iii) sole power to dispose or to
direct the disposition of: none
(iv) shared power to dispose or
to direct the disposition of: 11,301,464
Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report
the fact that as of the date hereof the
reporting person has ceased to be the
beneficial owner of more than five percent of
the class of securities, check the following.
Item 6. Ownership of more than Five Percent
on Behalf of Another Person.
If any other person is known to have the
right to receive or the power to direct the
receipt of dividends from, or the proceeds
from the sale of, such securities, a
statement to that effect should be included
in response to this item and, if such
interest relates to more than five percent of
the class, such person should be identified.
A listing of the shareholders of an investment
company registered under the Investment Company Act
of 1940 or the beneficiaries of employee benefit plan,
pension fund or endowment fund is not
required.
Clients of Reporting Person have such a
right, none of whom has such interest
relating to more than 5% of class.
Item 7. Identification and Classification
of the Subsidiary which Acquired the Security
Being Reported on by the Parent Holding
Company
If a parent holding company has filed this
schedule, pursuant to Rule 13d-1(b)(ii)(G),
so indicate under Item 3(g) and attach an
exhibit stating the identity and the Item 3
classification of the relevant subsidiary.
If a parent holding company has filed this
schedule pursuant to Rule 13d-1(c), attach an
exhibit stating the identification of the
relevant subsidiary.
Not Applicable.
Item 8. Identification and Classification of
Members of the Group
If a group has filed this schedule pursuant
to Rule 13d-1(b)(ii)(H), so indicate under
Item 3(h) and attach an exhibit stating the
identity and Item 3 classification of each
member of the group. If a group has filed
this schedule pursuant to Rule 13d-1(c)
attach an exhibit stating the identity of
each member of the group.
Not Applicable.
Item 9. Notice of Dissolution of Group
Notice of dissolution of a group may be
furnished as an exhibit stating the date of
dissolution and that all further filings
with respect to transactions in the security
reported on will be filed, if required, by
members of the group, in their individual
capacity. See Item 5.
Not Applicable.
Item 10. Certification
The following certification shall be included
if the statement is filed pursuant to Rule
13d-1(b):
By signing below I certify that, to the
best of my knowledge and belief, the securities
referred to above were acquired in the
ordinary course of business and were not
acquired for the purpose of and do not have
the effect of changing or influencing the
control of the issuer of such securities and
were not acquired in connection with or as a
participant in any transaction having such
purposes or effect.
SIGNATURE
After reasonable inquiry and to the best of
my knowledge and belief, I certify that the
information set forth in this statement is
true, complete and correct.
/s/Margaret W. Chambers, Esq.
Signature
Date: February 11, 1998
Margaret W. Chambers, Vice President
Name and Title
