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Aaron Cowen’s Immatics IMTX Stock Holding History

Aaron Cowen’s Portfolio IMTX Stock Details IMTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$113M Hold
11,190,129
– – 2.07% 16
2026
Q1 		$110M Hold
11,190,129
– – 2.81% 9
2025
Q4 		$117M Sell
11,190,129
-840,000
-7% -$8.48M 2.41% 8
2025
Q3 		$102M Hold
12,030,129
– – 2.62% 7
2025
Q2 		$64.7M Buy
12,030,129
+2,895,100
+32% +$14.4M 1.95% 16
2025
Q1 		$41.2M Buy
9,135,029
+4,069,752
+80% +$21.2M 1.53% 20
2024
Q4 		$36M Buy
+5,065,277
New +$43.5M 1.23% 29
2024
Q3 		– Sell
-946,563
Closed -$11M – 106
2024
Q2 		$11M Hold
946,563
– – 0.4% 48
2024
Q1 		$9.95M Buy
+946,563
New +$11M 0.37% 51

Other funds holding IMTX

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
JFG
Jefferies Financial Group New York $15.2B AUM 55.75% 1-Year Est. Return
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $1.93B AUM 134.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Aaron Cowen's IMTX Position: Q2 2026 in Review

Aaron Cowen held its Immatics (IMTX) position steady in Q2 2026 at 11,190,129 shares worth $113M. The position accounts for 2.07% of the portfolio, ranked #16.

Aaron Cowen first reported a position in IMTX in Q1 2024 and has held it in 9 quarters since. The position peaked at $117M in Q4 2025. 83 funds tracked by Wall St. Rank hold IMTX as of Q2 2026.

  • Aaron Cowen held 11,190,129 shares of Immatics worth $113M as of Q2 2026.
  • Aaron Cowen left its Immatics share count unchanged in Q2 2026.
  • Immatics made up 2.07% of Aaron Cowen's portfolio in Q2 2026, its #16 holding.
  • Aaron Cowen first reported a position in Immatics in Q1 2024 and has held it in 9 quarters since.
  • Aaron Cowen's Immatics position peaked at $117M in Q4 2025.
  • 83 funds tracked by Wall St. Rank held Immatics as of Q2 2026.

Based on Suvretta Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.