Mariner
IMTX icon

Mariner’s Immatics IMTX Stock Holding History

Mariner’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 		$133K Sell
13,100
-353
-3% -$3.73K ﹤0.01% 3272
2026
Q1 		$132K Buy
13,453
+48
+0.4% +$470 ﹤0.01% 3270
2025
Q4 		$141K Sell
13,405
-145
-1% -$1.46K ﹤0.01% 3261
2025
Q3 		$115K Sell
13,550
-190
-1% -$1.17K ﹤0.01% 3328
2025
Q2 		$73.9K Buy
+13,740
New +$68.1K ﹤0.01% 3290

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
SCM
Suvretta Capital Management New York $5.47B AUM 131.34% 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 40.89% 1-Year Est. Return

Mariner's IMTX Position: Q2 2026 in Review

Mariner reduced its Immatics (IMTX) stake by 2.6% in Q2 2026, selling an estimated $3.73K and leaving 13,100 shares worth $133K. The position accounts for ﹤0.01% of the portfolio, ranked #3272.

Mariner first reported a position in IMTX in Q2 2025 and has held it in 5 quarters since. The position peaked at $141K in Q4 2025. 83 funds tracked by Wall St. Rank hold IMTX as of Q2 2026.

  • Mariner held 13,100 shares of Immatics worth $133K as of Q2 2026.
  • Mariner sold 353 Immatics shares in Q2 2026, an estimated $3.73K.
  • Immatics made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3272 holding.
  • Mariner first reported a position in Immatics in Q2 2025 and has held it in 5 quarters since.
  • Mariner's Immatics position peaked at $141K in Q4 2025.
  • 83 funds tracked by Wall St. Rank held Immatics as of Q2 2026.

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