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Atom Investors’s Inogen INGN Stock Holding History

Atom Investors’s Portfolio INGN Stock Details INGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-12,732
Closed -$104K – 693
2025
Q3 		$104K Sell
12,732
-2,440
-16% -$18.2K 0.01% 554
2025
Q2 		$107K Buy
+15,172
New +$102K 0.01% 551
2020
Q2 		– Sell
-24,214
Closed -$1.25M – 430
2020
Q1 		$1.25M Buy
+24,214
New +$1.16M 0.11% 144
2019
Q3 		– Sell
-141,475
Closed -$9.45M – 345
2019
Q2 		$9.45M Buy
141,475
+58,226
+70% +$4.43M 0.62% 47
2019
Q1 		$7.94M Buy
83,249
+63,814
+328% +$7.96M 0.67% 41
2018
Q4 		$2.41M Buy
+19,435
New +$3.2M 0.24% 83

Other funds holding INGN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
DCM
DAFNA Capital Management Los Angeles, California $524M AUM 164.42% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Atom Investors's INGN Position: Q4 2025 in Review

Atom Investors sold out of Inogen (INGN) in Q4 2025, closing a stake of 12,732 shares — an estimated $104K sold.

Atom Investors first reported a position in INGN in Q4 2018 and held it in 6 quarters. The position peaked at $9.45M in Q2 2019. 133 funds tracked by Wall St. Rank hold INGN as of Q4 2025.

  • Atom Investors reported no remaining Inogen position as of Q4 2025 after selling out during the quarter.
  • Atom Investors sold 12,732 Inogen shares in Q4 2025, an estimated $104K.
  • Atom Investors first reported a position in Inogen in Q4 2018 and held it in 6 quarters.
  • Atom Investors's Inogen position peaked at $9.45M in Q2 2019.
  • 133 funds tracked by Wall St. Rank held Inogen as of Q4 2025.

Based on Atom Investors's 13F filing for Q4 2025, filed 17 Feb 2026.