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 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

Brookfield Corp Toronto, Ontario, Canada $74.2B AUM 0.68% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

OCM

Oaktree Capital Management Los Angeles, California $6.56B AUM 42.97% 1-Year Est. Return

PEAK6's TAC Position: Q1 2026 in Review

PEAK6 opened a new position in TransAlta (TAC) in Q1 2026: 139,189 shares worth $1.82M. The stake represents ﹤0.01% of the portfolio and ranks #1415 among its holdings. This is a return to the name: PEAK6 previously reported a position in TAC as recently as Q2 2025.

PEAK6 first reported a position in TAC in Q1 2025 and has held it in 3 quarters since. 178 funds tracked by Wall St. Rank hold TAC as of Q1 2026.

PEAK6 held 139,189 shares of TransAlta worth $1.82M as of Q1 2026.
TransAlta was a new PEAK6 position in Q1 2026.
TransAlta made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #1415 holding.
PEAK6 first reported a position in TransAlta in Q1 2025 and has held it in 3 quarters since.
178 funds tracked by Wall St. Rank held TransAlta as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.