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Northwestern Mutual Investment Management Company’s Arrowhead Research ARWR Stock Holding History

Northwestern Mutual Investment Management Company’s Portfolio ARWR Stock Details ARWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.58M Buy
31,685
+314
+1% +$23.2K 0.03% 243
2026
Q1 		$1.97M Buy
+31,371
New +$1.99M 0.03% 314
2025
Q1 		– Sell
-27,628
Closed -$519K – 878
2024
Q4 		$519K Buy
27,628
+48
+0.2% +$989 0.01% 770
2024
Q3 		$534K Sell
27,580
-140
-0.5% -$3.42K 0.01% 765
2024
Q2 		$720K Buy
27,720
+85
+0.3% +$2.09K 0.02% 654
2024
Q1 		$790K Buy
27,635
+3,788
+16% +$121K 0.02% 626
2023
Q4 		$730K Buy
23,847
+74
+0.3% +$1.97K 0.02% 636
2023
Q3 		$639K Buy
23,773
+16
+0.1% +$490 0.02% 652
2023
Q2 		$847K Sell
23,757
-272
-1% -$9.38K 0.02% 562
2023
Q1 		$610K Buy
24,029
+14,233
+145% +$448K 0.02% 654
2022
Q4 		$397K Sell
9,796
-5,491
-36% -$182K 0.01% 631
2022
Q3 		$505K Sell
15,287
-2,411
-14% -$97.3K 0.01% 626
2022
Q2 		$623K Buy
17,698
+182
+1% +$6.85K 0.01% 615
2022
Q1 		$806K Buy
17,516
+233
+1% +$11.5K 0.02% 574
2021
Q4 		$1.15M Buy
17,283
+60
+0.3% +$4.12K 0.02% 450
2021
Q3 		$1.07M Sell
17,223
-112
-0.6% -$7.25K 0.02% 441
2021
Q2 		$1.44M Buy
17,335
+22
+0.1% +$1.64K 0.02% 314
2021
Q1 		$1.15M Sell
17,313
-18,019
-51% -$1.4M 0.02% 391
2020
Q4 		$2.71M Sell
35,332
-80
-0.2% -$5.12K 0.04% 213
2020
Q3 		$1.53M Hold
35,412
– – 0.02% 348
2020
Q2 		$1.53M Buy
35,412
+627
+2% +$22.1K 0.02% 347
2020
Q1 		$1M Buy
34,785
+6,193
+22% +$250K 0.02% 438
2019
Q4 		$1.81M Buy
+28,592
New +$1.42M 0.03% 258

Other funds holding ARWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
FAM
Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return

Northwestern Mutual Investment Management Company's ARWR Position: Q2 2026 in Review

Northwestern Mutual Investment Management Company increased its Arrowhead Research (ARWR) stake by 1% in Q2 2026, buying an estimated $23.2K and bringing the position to 31,685 shares worth $2.58M. The position accounts for 0.03% of the portfolio, ranked #243.

Northwestern Mutual Investment Management Company first reported a position in ARWR in Q4 2019 and has held it in 23 quarters since. The position peaked at $2.71M in Q4 2020. 500 funds tracked by Wall St. Rank hold ARWR as of Q2 2026.

  • Northwestern Mutual Investment Management Company held 31,685 shares of Arrowhead Research worth $2.58M as of Q2 2026.
  • Northwestern Mutual Investment Management Company bought 314 Arrowhead Research shares in Q2 2026, an estimated $23.2K.
  • Arrowhead Research made up 0.03% of Northwestern Mutual Investment Management Company's portfolio in Q2 2026, its #243 holding.
  • Northwestern Mutual Investment Management Company first reported a position in Arrowhead Research in Q4 2019 and has held it in 23 quarters since.
  • Northwestern Mutual Investment Management Company's Arrowhead Research position peaked at $2.71M in Q4 2020.
  • 500 funds tracked by Wall St. Rank held Arrowhead Research as of Q2 2026.

Based on Northwestern Mutual Investment Management Company's 13F filing for Q2 2026, filed 12 Aug 2026.