PORTFOLIO OF INVESTMENTS CTIVP® – Westfield Mid Cap Growth Fund, March 31, 2021 (Unaudited) (Percentages represent value of investments compared to net assets)

Investments in securities

Common Stocks 97.9% Common Stocks (continued) Issuer Shares Value ($) Issuer Shares Value ($)

Communication Services 4.9% Health Care 22.0% Entertainment 3.1% Biotechnology 5.9% (a) Live Nation Entertainment, Inc. 76,870 6,507,046 Ascendis Pharma A/S ADR(a) 44,070 5,679,741 (a) Roku, Inc. 15,820 5,153,681 BioMarin Pharmaceutical, Inc.(a) 83,600 6,312,636 Total 11,660,727 Rocket Pharmaceuticals, Inc.(a) 47,240 2,096,039 Media 1.8% , Inc.(a) 58,250 8,088,595 Fox Corp., Class A 188,170 6,794,819 Total 22,177,011

Total Communication Services 18,455,546 Health Care Equipment & Supplies 11.9% Consumer Discretionary 13.6% Cooper Companies, Inc. (The) 20,839 8,004,052 Hotels, Restaurants & Leisure 2.8% DexCom, Inc.(a) 24,820 8,920,060 Chipotle Mexican Grill, Inc.(a) 7,512 10,673,200 , Inc.(a) 22,985 11,246,790

(a) Internet & Direct Marketing Retail 2.6% Insulet Corp. 26,228 6,843,410 (a) Etsy, Inc.(a) 19,420 3,916,431 Masimo Corp. 23,330 5,357,968 Expedia Group, Inc.(a) 33,020 5,683,403 STERIS PLC 24,780 4,720,094 Total 9,599,834 Total 45,092,374

Specialty Retail 6.1% Life Sciences Tools & Services 4.2% (a) , Inc. 71,990 8,632,321 ICON PLC 30,910 6,069,796 (a) Ulta Beauty, Inc.(a) 23,538 7,277,243 Mettler-Toledo International, Inc. 8,591 9,928,533 Williams-Sonoma, Inc. 40,270 7,216,384 Total 15,998,329 Total 23,125,948 Total Health Care 83,267,714

Textiles, Apparel & Luxury Goods 2.1% Industrials 16.4% Tapestry, Inc.(a) 193,531 7,975,412 Aerospace & Defense 3.7% (a) Total Consumer Discretionary 51,374,394 Teledyne Technologies, Inc. 13,195 5,458,112 TransDigm Group, Inc.(a) 14,323 8,420,778 Financials 5.7% Total 13,878,890 Capital Markets 2.0% MSCI, Inc. 17,625 7,389,810 Building Products 3.0% AZEK Co., Inc. (The)(a) 133,031 5,593,954 Consumer Finance 1.8% Trane Technologies PLC 35,330 5,849,235 Synchrony Financial 169,860 6,906,508 Total 11,443,189 Insurance 1.9% Commercial Services & Supplies 1.2% Arthur J Gallagher & Co. 58,220 7,264,109 Waste Connections, Inc. 42,020 4,537,320 Total Financials 21,560,427 Electrical Equipment 3.9% AMETEK, Inc. 52,760 6,739,035 Rockwell Automation, Inc. 30,285 8,038,850 Total 14,777,885

1 CTIVP® – Westfield Mid Cap Growth Fund | Quarterly Report 2021 PORTFOLIO OF INVESTMENTS (continued) CTIVP® – Westfield Mid Cap Growth Fund, March 31, 2021 (Unaudited)

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

(a) Machinery 1.6% RingCentral, Inc., Class A 16,500 4,915,020 (a) IDEX Corp. 29,360 6,145,635 , Inc. 44,407 6,016,260 Zendesk, Inc.(a) 97,210 12,891,990 Professional Services 3.0% Total 61,530,708 CoStar Group, Inc.(a) 8,052 6,617,858 TransUnion 53,414 4,807,260 Technology Hardware, Storage & Peripherals 1.7% (a) Total 11,425,118 NCR Corp. 171,090 6,492,866 Total Industrials 62,208,037 Total Information Technology 119,170,884

Information Technology 31.5% Materials 2.1% IT Services 9.4% Chemicals 2.1% Technology Solutions Corp., Class A 83,836 6,549,268 Celanese Corp., Class A 52,760 7,903,976 FleetCor Technologies, Inc.(a) 30,589 8,217,123 Total Materials 7,903,976 Global Payments, Inc. 47,780 9,631,493 Real Estate 1.7% MongoDB, Inc.(a) 13,570 3,629,025 Equity Real Estate Investment Trusts (REITS) 1.7% Twilio, Inc., Class A(a) 22,760 7,755,698 Essex Property Trust, Inc. 24,330 6,613,867 Total 35,782,607 Total Real Estate 6,613,867

Semiconductors & Semiconductor Equipment 4.1% Total Common Stocks (Cost $284,164,964) 370,554,845 , Inc. 56,170 8,718,707 , Inc. 53,640 6,645,996 Money Market Funds 2.1% Total 15,364,703 Shares Value ($)

(b),(c) Software 16.3% Columbia Short-Term Cash Fund, 0.067% 7,788,484 7,787,705 Fortinet, Inc.(a) 55,210 10,181,828 Total Money Market Funds (Cost $7,787,705) 7,787,705 HubSpot, Inc.(a) 13,840 6,286,267 Total Investments in Securities (a) Lightspeed POS, Inc. 80,429 5,051,746 (Cost: $291,952,669) 378,342,550 (a) NiCE Ltd., ADR 23,030 5,019,849 Other Assets & Liabilities, Net (8,291) (a) Nutanix, Inc., Class A 195,661 5,196,756 Net Assets 378,334,259 Palo Alto Networks, Inc.(a) 18,540 5,970,992

Notes to Portfolio of Investments

(a) Non-income producing investment. (b) The rate shown is the seven-day current annualized yield at March 31, 2021. (c) As defined in the Investment Company Act of 1940, as amended, 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 March 31, 2021 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, 0.067% 3,570,640 72,328,728 (68,111,663) — 7,787,705 — 1,731 7,788,484

CTIVP® – Westfield Mid Cap Growth Fund | Quarterly Report 2021 2 PORTFOLIO OF INVESTMENTS (continued) CTIVP® – Westfield Mid Cap Growth Fund, March 31, 2021 (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.

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