PGTAX vs. STK

Last updated Aug 1, 2026

PGTAX (Putnam Global Technology Fund Class A) and STK (Columbia Seligman Premium Technology Growth Fund) are both Technology Equities funds. PGTAX is passively managed, while STK is actively managed. Over the past 10 years, PGTAX returned 23.33%/yr vs 22.24%/yr for STK. Their 0.68 correlation means they have sometimes moved together and sometimes differently. PGTAX charges 1.04%/yr vs 1.12%/yr for STK.

Performance

PGTAX vs. STK - Performance Comparison

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

Returns By Period

In the year-to-date period, PGTAX achieves a 24.69% return, which is significantly lower than STK's 36.26% return. Both investments have delivered pretty close results over the past 10 years, with PGTAX having a 23.33% annualized return and STK not far behind at 22.24%.

PGTAX

• 1D: 5.46%
• 1M: -4.07%
• 6M: 23.27%
• YTD: 24.69%
• 1Y: 39.41%
• 3Y*: 28.26%
• 5Y*: 15.30%
• 10Y*: 23.33%
• ALL TIME*: 19.95%

STK

• 1D: 1.95%
• 1M: -4.81%
• 6M: 25.48%
• YTD: 36.26%
• 1Y: 72.54%
• 3Y*: 28.58%
• 5Y*: 18.94%
• 10Y*: 22.24%
• ALL TIME*: 16.69%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
PGTAX Putnam Global Technology Fund Class A	$0.00	$0.00	$0.00
STK Columbia Seligman Premium Technology Growth Fund	$3.19M	$2.84M	$3.58M

PGTAX vs. STK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PGTAX Putnam Global Technology Fund Class A	24.69%	23.03%	27.57%	53.42%	-32.46%	11.44%	70.50%	47.20%	-6.96%	46.70%
STK Columbia Seligman Premium Technology Growth Fund	36.26%	24.85%	17.74%	46.60%	-30.36%	48.63%	25.39%	52.73%	-14.91%	33.52%

Correlation

The correlation between PGTAX and STK is 0.81, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.81
Correlation (3Y) Balances recent behavior with more history.	0.78
Correlation (5Y) Shows whether the relationship held over a longer period.	0.81
Correlation (10Y) Provides a long-term view across more market conditions.	0.75
Correlation (All Time) Calculated using the full available price history since Nov 27, 2009	0.68

The correlation between PGTAX and STK shifts across timeframes, from 0.68 (all time) to 0.81 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PGTAX vs. STK — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

PGTAX

PGTAX Risk / Return Rank: 45
PGTAX Sharpe Ratio Rank: 46
PGTAX Sortino Ratio Rank: 41
PGTAX Omega Ratio Rank: 42
PGTAX Calmar Ratio Rank: 53
PGTAX Martin Ratio Rank: 42

STK

STK Risk / Return Rank: 88
STK Sharpe Ratio Rank: 93
STK Sortino Ratio Rank: 83
STK Omega Ratio Rank: 83
STK Calmar Ratio Rank: 90
STK Martin Ratio Rank: 90

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

PGTAX vs. STK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Putnam Global Technology Fund Class A (PGTAX) and Columbia Seligman Premium Technology Growth 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	PGTAX	STK	Difference
Sharpe ratio: Return per unit of total volatility	1.33	2.41	-1.08
Sortino ratio: Return per unit of downside risk	1.82	2.92	-1.10
Omega ratio: Gain probability vs. loss probability	1.23	1.39	-0.15
Calmar ratio: Return relative to maximum drawdown	1.98	3.35	-1.37
Martin ratio: Return relative to average drawdown	6.19	12.27	-6.08

PGTAX vs. STK - Sharpe Ratio Comparison

The current PGTAX Sharpe Ratio is 1.33, which is lower than the STK Sharpe Ratio of 2.41. The chart below compares the historical Sharpe Ratios of PGTAX 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.

Drawdowns

PGTAX vs. STK - Drawdown Comparison

The maximum PGTAX drawdown since its inception was -42.21%, roughly equal to the maximum STK drawdown of -41.74%. Use the drawdown chart below to compare losses from any high point for PGTAX and STK.

Drawdown Indicators

	PGTAX	STK	Difference
Max Drawdown Largest peak-to-trough decline	-42.21%	-41.74%	-0.47%
Max Drawdown (1Y) Largest decline over 1 year	-17.97%	-20.93%	+2.96%
Max Drawdown (3Y) Largest decline over 3 years	-28.42%	-26.59%	-1.83%
Max Drawdown (5Y) Largest decline over 5 years	-42.21%	-36.27%	-5.94%
Max Drawdown (10Y) Largest decline over 10 years	-42.21%	-41.74%	-0.47%
Current Drawdown Current decline from peak	-13.49%	-14.89%	+1.40%
Average Drawdown Average peak-to-trough decline	-6.69%	-7.44%	+0.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.73%	5.69%	+0.04%

Volatility

PGTAX vs. STK - Volatility Comparison

Putnam Global Technology Fund Class A (PGTAX) and Columbia Seligman Premium Technology Growth Fund (STK) have volatilities of 10.48% and 11.01%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PGTAX	STK	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.48%	11.01%	-0.53%
Volatility (6M) Calculated over the trailing 6-month period	23.10%	25.42%	-2.32%
Volatility (1Y) Calculated over the trailing 1-year period	26.81%	29.07%	-2.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.89%	26.22%	-0.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.53%	26.66%	-2.13%

PGTAX vs. STK - Expense Ratio Comparison

PGTAX has a 1.04% expense ratio, which is lower than STK's 1.12% expense ratio.

Dividends

PGTAX vs. STK - Dividend Comparison

PGTAX's dividend yield for the trailing twelve months is around 9.19%, more than STK's 5.53% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PGTAX Putnam Global Technology Fund Class A	9.19%	11.45%	6.71%	0.38%	1.52%	22.04%	14.04%	2.49%	9.37%	6.91%	0.83%	4.64%
STK Columbia Seligman Premium Technology Growth Fund	5.53%	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 PGTAX and STK in my portfolio?

PGTAX and STK have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PGTAX or STK?

STK has higher volatility (11.01%) compared to PGTAX (10.48%). In terms of maximum drawdown, PGTAX dropped -42.21% vs STK's -41.74%.

Which has better risk-adjusted returns?

STK currently has the higher Sharpe Ratio (2.41 vs 1.33), 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.