Aigen Investment Management’s Northwest Natural Holdings NWN Stock Holding History

Aigen Investment Management’s Portfolio NWN Stock Details NWN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-15,561	Closed	-$699K	–	873
2025 Q3	$699K	Buy	15,561 +6,738	+76%	+$280K	0.11%	293
2025 Q2	$350K	Buy	+8,823	New	+$366K	0.05%	486
2024 Q1	–	Sell	-7,387	Closed	-$288K	–	914
2023 Q4	$288K	Buy	+7,387	New	+$281K	0.05%	504
2022 Q4	–	Sell	-10,459	Closed	-$454K	–	700
2022 Q3	$454K	Buy	+10,459	New	+$530K	0.07%	325
2021 Q1	–	Sell	-7,082	Closed	-$326K	–	812
2020 Q4	$326K	Buy	+7,082	New	+$335K	0.04%	540

Other funds holding NWN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

VNIM

Vaughan Nelson Investment Management Houston, Texas $11.3B AUM 53% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

DPIM

Duff & Phelps Investment Management Chicago, Illinois $10.6B AUM 18.62% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Aigen Investment Management's NWN Position: Q4 2025 in Review

Aigen Investment Management sold out of Northwest Natural Holdings (NWN) in Q4 2025, closing a stake of 15,561 shares — an estimated $699K sold.

Aigen Investment Management first reported a position in NWN in Q4 2020 and held it in 5 quarters. The position peaked at $699K in Q3 2025. 312 funds tracked by Wall St. Rank hold NWN as of Q4 2025.

Aigen Investment Management reported no remaining Northwest Natural Holdings position as of Q4 2025 after selling out during the quarter.
Aigen Investment Management sold 15,561 Northwest Natural Holdings shares in Q4 2025, an estimated $699K.
Aigen Investment Management first reported a position in Northwest Natural Holdings in Q4 2020 and held it in 5 quarters.
Aigen Investment Management's Northwest Natural Holdings position peaked at $699K in Q3 2025.
312 funds tracked by Wall St. Rank held Northwest Natural Holdings as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.