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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),(c),
AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b)
(Amendment No. 1)
Thermo Terratech Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
883598104
(CUSIP Number)
February 28, 1999
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
X Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
*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 subject to the liabilities of that Section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
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CUSIP No. 883598104
1. Name of Reporting Persons
IRS Identification No. of Above Persons
(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
Number of Shares Beneficially Owned By Each Reporting Person With
5. Sole Voting Power: 2,540,095
6. Shared Voting Power: 62,893
7. Sole Dispositive Power: none
8. Shared Dispositive Power: 2,738,581
9. Aggregate Amount Beneficially
Owned by Each Reporting Person: 2,738,581
10. Check if the Aggregate Amount in
Row (9) Excludes Certain Shares*: [ ]
11. Percent of Class Represented
by Amount in Row 9: 12.39%
12. Type of Reporting Person: IA
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Item 1. (a) Name of Issuer:
Thermo Terratech Inc.
(b) Address of Issuer's Principal Executive Offices:
81 Wyman Street
P.O. Box 9046
Waltham, Massachusetts 02254
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*
*Reporting person is filing this Schedule 13G
with respect to shares that it has a right
to acquire as a result of its beneficial
ownership of convertible securities.
(e) CUSIP Number: 883598104
Item 3. If this statement is filed pursuant
to Rule 13d-1(b), or 13d-2(b) or (c), 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] An investment adviser in accordance with Rule
13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan
or endowment fund in accordance with Rule
13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person, in
accordance with Rule 13d-1(b)(ii)(G);
(h) [ ] A savings association as defined in Section 3(b)
of the Federal Deposit Insurance Act;
(i) [ ] A church plan that is excluded from the definition
of an investment company under section 3(c)(14)
of the Investment Company Act;
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(j) [ ] Group, in accordance with Rule
13d-1(b)(1)(ii)(J)
If this statement is filed pursuant to Rule 13d-1(c),
check this box [ ]
Item 4. Ownership.
Provide the following information regarding the
aggregate number and percentage of the
class of securities of the issuer identified
in Item 1.
(a) Amount Beneficially Owned: 2,738,581
(b) Percent of Class: 12.39%
(c) Number of shares as to which
such person has:
(i) sole power to vote or to
direct the vote: 2,540,095
(ii) shared power to vote or to
direct the vote: 62,893
(iii) sole power to dispose or to
direct the disposition of: none
(iv) shared power to dispose or
to direct the disposition of: 2,738,581
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
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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 an 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)(1)(ii)(J), so
indicate under Item 3(j) 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(d) attach an exhibit stating the identity of each member
of the group.
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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 and are not held in connection with or as a participant in any
transaction having that purpose 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/ Jeffrey L. Meade
Signature
Date: March 10, 1999
Executive Vice President and Chief Operating Officer
