PORTFOLIO OF INVESTMENTS CTIVP® – Westfield Mid Cap Growth Fund, September 30, 2020 (Unaudited) (Percentages represent value of investments compared to net assets)

Investments in securities

Common Stocks 99.7% Common Stocks (continued) Issuer Shares Value ($) Issuer Shares Value ($) Consumer Discretionary 13.5% Insulet Corp.(a) 25,618 6,060,963 Hotels, Restaurants & Leisure 2.6% Masimo Corp.(a) 35,270 8,325,836 Chipotle Mexican Grill, Inc.(a) 12,061 15,000,386 STERIS PLC 45,030 7,933,836

Household Durables 1.9% Total 74,440,099 D.R. Horton, Inc. 147,230 11,135,005 Health Care Providers & Services 1.4%

Internet & Direct Marketing Retail 1.7% Quest Diagnostics, Inc. 68,030 7,788,755 Etsy, Inc.(a) 35,210 4,282,592 Life Sciences Tools & Services 3.7% Expedia Group, Inc. 57,550 5,276,760 ICON PLC(a) 42,690 8,157,632 Total 9,559,352 Mettler-Toledo International, Inc.(a) 13,741 13,270,371

Specialty Retail 6.3% Total 21,428,003 O’Reilly Automotive, Inc.(a) 35,610 16,419,059 Total Health Care 132,722,727 , Inc. 112,980 10,543,293 Industrials 14.3% Ulta Beauty, Inc.(a) 42,308 9,476,146 Aerospace & Defense 3.9% Total 36,438,498 Teledyne Technologies, Inc.(a) 33,795 10,483,547

Textiles, Apparel & Luxury Goods 1.0% TransDigm Group, Inc. 25,733 12,226,263 , Inc.(a) 17,480 5,757,388 Total 22,709,810 Total Consumer Discretionary 77,890,629 Building Products 1.4%

Financials 4.7% Trane Technologies PLC 64,220 7,786,675 Capital Markets 3.2% Commercial Services & Supplies 0.7% MSCI, Inc. 22,405 7,993,656 Waste Connections, Inc. 37,520 3,894,576

Tradeweb Markets, Inc., Class A 176,030 10,209,740 Electrical Equipment 3.7% Total 18,203,396 AMETEK, Inc. 94,920 9,435,048 Insurance 1.5% Rockwell Automation, Inc. 54,955 12,127,469 Arthur J Gallagher & Co. 85,030 8,977,467 Total 21,562,517

Total Financials 27,180,863 Professional Services 3.2% Health Care 23.1% CoStar Group, Inc.(a) 12,052 10,226,242 Biotechnology 5.1% TransUnion 96,104 8,085,230 Ascendis Pharma A/S ADR(a) 70,120 10,820,918 Total 18,311,472

(a) BioMarin Pharmaceutical, Inc. 104,800 7,973,184 Road & Rail 1.4% (a) Seattle Genetics, Inc. 52,490 10,271,768 JB Hunt Transport Services, Inc. 61,767 7,806,114 Total 29,065,870 Total Industrials 82,071,164 Health Care Equipment & Supplies 12.9% , Inc.(a) 29,990 9,817,526 Cooper Companies, Inc. (The) 37,839 12,756,284 DexCom, Inc.(a) 28,450 11,727,943 , Inc.(a) 45,325 17,817,711

CTIVP® – Westfield Mid Cap Growth Fund | Quarterly Report 2020 1 PORTFOLIO OF INVESTMENTS (continued) CTIVP® – Westfield Mid Cap Growth Fund, September 30, 2020 (Unaudited)

Common Stocks (continued) Common Stocks (continued) Issuer Shares Value ($) Issuer Shares Value ($)

Information Technology 37.0% Technology Hardware, Storage & Peripherals 0.9% IT Services 13.8% NCR Corp.(a) 231,813 5,132,340 Technology Solutions Corp., Class A 149,440 10,374,125 Total Information Technology 213,326,977

Fidelity National Information Services, Inc. 50,432 7,424,095 Materials 2.9% (a) FleetCor Technologies, Inc. 55,559 13,228,598 Chemicals 2.9% Global Payments, Inc. 105,090 18,661,882 Celanese Corp., Class A 64,350 6,914,407 (a) MongoDB, Inc. 32,750 7,581,953 RPM International, Inc. 118,440 9,811,570 (a) Square, Inc., Class A 51,600 8,387,580 Total 16,725,977 (a) Twilio, Inc., Class A 56,160 13,876,574 Total Materials 16,725,977 Total 79,534,807 Real Estate 4.2% Semiconductors & Semiconductor Equipment 6.3% Equity Real Estate Investment Trusts (REITS) 4.2% , Inc. 163,460 9,717,697 SBA Communications Corp. 41,110 13,092,713 Corp. 23,170 7,686,647 Sun Communities, Inc. 79,122 11,125,344 , Inc. 114,130 11,727,999 Total 24,218,057 NXP Semiconductors NV 56,960 7,109,178 Total Real Estate 24,218,057 Total 36,241,521 Total Common Stocks (Cost $441,731,427) 574,136,394 Software 16.0%

(a) Dropbox, Inc., Class A 550,550 10,603,593 Money Market Funds 0.3% (a) Fortinet, Inc. 110,090 12,969,703 Shares Value ($) (a) HubSpot, Inc. 25,470 7,443,098 Columbia Short-Term Cash Fund, 0.136%(b),(c) 1,511,246 1,511,095 (a) NiCE Ltd., ADR 41,830 9,496,665 Total Money Market Funds RingCentral, Inc., Class A(a) 21,110 5,797,017 (Cost $1,511,130) 1,511,095 , Inc.(a) 95,807 18,024,171 Total Investments in Securities (Cost: $443,242,557) 575,647,489 SS&C Technologies Holdings, Inc. 163,925 9,920,741 Other Assets & Liabilities, Net 195,614 Zendesk, Inc.(a) 176,480 18,163,321 Net Assets 575,843,103 Total 92,418,309

Notes to Portfolio of Investments

(a) Non-income producing investment. (b) The rate shown is the seven-day current annualized yield at September 30, 2020. (c) As defined in the Investment Company Act of 1940, an affiliated company is one in which the Fund owns 5% or more of the company’s outstanding voting securities, or a company which is under common ownership or control with the Fund. The value of the holdings and transactions in these affiliated companies during the period ended September 30, 2020 are as follows: Net change in unrealized Beginning appreciation End of Realized gain End of Affiliated issuers of period($) Purchases($) Sales($) (depreciation)($) period($) (loss)($) Dividends($) period shares Columbia Short-Term Cash Fund, 0.136% 4,978,088 148,166,161 (151,633,119) (35) 1,511,095 7,573 42,963 1,511,246

2 CTIVP® – Westfield Mid Cap Growth Fund | Quarterly Report 2020 PORTFOLIO OF INVESTMENTS (continued) CTIVP® – Westfield Mid Cap Growth Fund, September 30, 2020 (Unaudited)

Abbreviation Legend

ADR American Depositary Receipt Investments are valued using policies described in the Notes to Financial Statements in the most recent shareholder report.

CTIVP® – Westfield Mid Cap Growth Fund | Quarterly Report 2020 3 3QT7040_09_K01_(09/20)