AGNC vs. STK

Last updated Jun 9, 2026

AGNC (AGNC Investment Corp.) is a stock, while STK (Columbia Seligman Premium Technology Growth Closed Fund) is Technology Equities fund actively managed by Aberdeen. Over the past 10 years, AGNC returned 6.25%/yr vs 23.37%/yr for STK. At a 0.30 correlation, their price movements are largely independent.

Performance

AGNC vs. STK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AGNC Investment Corp. (AGNC) and Columbia Seligman Premium Technology Growth Closed Fund (STK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AGNC achieves a -0.32% return, which is significantly lower than STK's 43.31% return. Over the past 10 years, AGNC has underperformed STK with an annualized return of 6.25%, while STK has yielded a comparatively higher 23.37% annualized return.

AGNC

• 1D: -0.59%
• 1M: -5.84%
• YTD: -0.32%
• 6M: 3.01%
• 1Y: 27.55%
• 3Y*: 17.15%
• 5Y*: 1.42%
• 10Y*: 6.25%

STK

• 1D: 1.22%
• 1M: 2.00%
• YTD: 43.31%
• 6M: 39.67%
• 1Y: 90.56%
• 3Y*: 31.90%
• 5Y*: 19.22%
• 10Y*: 23.37%

*Multi-year figures are annualized to reflect compound growth (CAGR)

AGNC vs. STK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AGNC AGNC Investment Corp.	-0.32%	34.92%	8.90%	10.14%	-21.65%	5.20%	-1.78%	13.31%	-2.46%	23.73%
STK Columbia Seligman Premium Technology Growth Closed Fund	43.31%	24.85%	17.74%	46.60%	-30.36%	48.63%	25.39%	52.73%	-14.91%	33.52%

Correlation

The correlation between AGNC and STK is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.27
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.36
Correlation (All Time) Calculated using the full available price history since Nov 30, 2009	0.30

The correlation between AGNC and STK shifts across timeframes, from 0.27 (1 year) to 0.45 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

AGNC vs. STK — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AGNC

AGNC Risk / Return Rank: 75
AGNC Sharpe Ratio Rank: 81
AGNC Sortino Ratio Rank: 77
AGNC Omega Ratio Rank: 74
AGNC Calmar Ratio Rank: 69
AGNC Martin Ratio Rank: 74

STK

STK Risk / Return Rank: 94
STK Sharpe Ratio Rank: 98
STK Sortino Ratio Rank: 87
STK Omega Ratio Rank: 88
STK Calmar Ratio Rank: 97
STK Martin Ratio Rank: 98

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

AGNC vs. STK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AGNC Investment Corp. (AGNC) and Columbia Seligman Premium Technology Growth Closed Fund (STK). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	AGNC	STK	Difference
Sharpe ratio: Return per unit of total volatility	1.43	3.64	-2.21
Sortino ratio: Return per unit of downside risk	2.02	4.06	-2.04
Omega ratio: Gain probability vs. loss probability	1.25	1.60	-0.36
Calmar ratio: Return relative to maximum drawdown	1.48	7.09	-5.61
Martin ratio: Return relative to average drawdown	4.39	28.46	-24.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AGNC vs. STK - Sharpe Ratio Comparison

The current AGNC Sharpe Ratio is 1.43, which is lower than the STK Sharpe Ratio of 3.64. The chart below compares the historical Sharpe Ratios of AGNC and STK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	AGNC	STK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.43	3.64	-2.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.06	0.76	-0.70
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.25	0.89	-0.64
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.72	-0.30

Drawdowns

AGNC vs. STK - Drawdown Comparison

The maximum AGNC drawdown since its inception was -54.56%, which is greater than STK's maximum drawdown of -41.74%. Use the drawdown chart below to compare losses from any high point for AGNC and STK.

Drawdown Indicators

	AGNC	STK	Difference
Max Drawdown Largest peak-to-trough decline	-54.56%	-41.74%	-12.82%
Max Drawdown (1Y) Largest decline over 1 year	-18.71%	-12.84%	-5.87%
Max Drawdown (3Y) Largest decline over 3 years	-31.04%	-26.59%	-4.45%
Max Drawdown (5Y) Largest decline over 5 years	-54.36%	-36.27%	-18.09%
Max Drawdown (10Y) Largest decline over 10 years	-54.56%	-41.74%	-12.82%
Current Drawdown Current decline from peak	-12.19%	-10.49%	-1.70%
Average Drawdown Average peak-to-trough decline	-13.56%	-7.41%	-6.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.30%	3.19%	+3.11%

Volatility

AGNC vs. STK - Volatility Comparison

The current volatility for AGNC Investment Corp. (AGNC) is 4.92%, while Columbia Seligman Premium Technology Growth Closed Fund (STK) has a volatility of 13.52%. This indicates that AGNC experiences smaller price fluctuations and is considered to be less risky than STK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AGNC	STK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.92%	13.52%	-8.60%
Volatility (6M) Calculated over the trailing 6-month period	15.96%	21.67%	-5.71%
Volatility (1Y) Calculated over the trailing 1-year period	19.38%	25.09%	-5.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.82%	25.48%	+0.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.39%	26.32%	-0.93%

Dividends

AGNC vs. STK - Dividend Comparison

AGNC's dividend yield for the trailing twelve months is around 14.24%, more than STK's 5.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AGNC AGNC Investment Corp.	14.24%	13.43%	15.64%	14.68%	13.91%	9.57%	10.00%	11.31%	12.31%	10.70%	12.69%	14.30%
STK Columbia Seligman Premium Technology Growth Closed Fund	5.26%	7.38%	16.02%	6.70%	12.62%	8.48%	6.79%	7.86%	14.88%	11.82%	9.87%	10.32%

Frequently Asked Questions

Can I hold both AGNC and STK in my portfolio?

AGNC and STK have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AGNC or STK?

STK has higher volatility (13.52%) compared to AGNC (4.92%). In terms of maximum drawdown, AGNC dropped -54.56% vs STK's -41.74%.

Which has better risk-adjusted returns?

STK currently has the higher Sharpe Ratio (3.64 vs 1.43), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.