PEAK6’s TransAlta TAC Stock Holding History

PEAK6’s Portfolio TAC Stock Details TAC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$181K	Sell	13,100 -111,900	-90%	-$1.48M	﹤0.01%	2295
2026 Q1	$1.64M	Buy	125,000 +63,900	+105%	+$823K	﹤0.01%	1470
2025 Q4	$772K	Sell	61,100 -58,900	-49%	-$879K	﹤0.01%	1897
2025 Q3	$1.64M	Sell	120,000 -1,100	-0.9%	-$13.5K	﹤0.01%	1605
2025 Q2	$1.31M	Sell	121,100 -134,600	-53%	-$1.28M	﹤0.01%	1666
2025 Q1	$2.39M	Sell	255,700 -373,000	-59%	-$4.13M	0.01%	1329
2024 Q4	$8.9M	Buy	+628,700	New	+$7.18M	0.02%	625

Other funds holding TAC

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Brookfield Corp Toronto, Ontario, Canada $77B AUM 10.33% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

PEAK6's TAC Position: Q2 2026 in Review

PEAK6 increased its TransAlta (TAC) stake by 33% in Q2 2026, buying an estimated $603K and bringing the position to 184,817 shares worth $2.56M. The position accounts for 0.01% of the portfolio, ranked #1182.

PEAK6 first reported a position in TAC in Q1 2025 and has held it in 4 quarters since. 177 funds tracked by Wall St. Rank hold TAC as of Q2 2026.

PEAK6 held 184,817 shares of TransAlta worth $2.56M as of Q2 2026.
PEAK6 bought 45,628 TransAlta shares in Q2 2026, an estimated $603K.
TransAlta made up 0.01% of PEAK6's portfolio in Q2 2026, its #1182 holding.
PEAK6 first reported a position in TransAlta in Q1 2025 and has held it in 4 quarters since.
177 funds tracked by Wall St. Rank held TransAlta as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.