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Trexquant Investment’s Ionis Pharmaceuticals IONS Stock Holding History

Trexquant Investment’s Portfolio IONS Stock Details IONS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$16M Buy
213,645
+81,404
+62% +$6.42M 0.12% 213
2025
Q4 		$10.5M Sell
132,241
-82,880
-39% -$6.24M 0.09% 296
2025
Q3 		$14.1M Buy
215,121
+86,252
+67% +$4.21M 0.14% 155
2025
Q2 		$5.09M Buy
+128,869
New +$4.22M 0.06% 521
2025
Q1 		– Sell
-84,913
Closed -$2.97M – 1699
2024
Q4 		$2.97M Sell
84,913
-45,945
-35% -$1.72M 0.03% 712
2024
Q3 		$5.24M Buy
130,858
+100,772
+335% +$4.69M 0.07% 456
2024
Q2 		$1.43M Sell
30,086
-55,266
-65% -$2.27M 0.02% 874
2024
Q1 		$3.7M Sell
85,352
-27,635
-24% -$1.32M 0.07% 415
2023
Q4 		$5.72M Sell
112,987
-70,362
-38% -$3.37M 0.13% 212
2023
Q3 		$8.32M Buy
183,349
+78,724
+75% +$3.25M 0.21% 117
2023
Q2 		$4.29M Buy
104,625
+72,013
+221% +$2.77M 0.11% 251
2023
Q1 		$1.17M Sell
32,612
-14,333
-31% -$538K 0.03% 674
2022
Q4 		$1.77M Sell
46,945
-8,619
-16% -$363K 0.05% 450
2022
Q3 		$2.46M Buy
55,564
+27,141
+95% +$1.14M 0.09% 299
2022
Q2 		$1.05M Sell
28,423
-19,339
-40% -$729K 0.05% 494
2022
Q1 		$1.77M Buy
47,762
+13,859
+41% +$454K 0.08% 297
2021
Q4 		$1.03M Buy
33,903
+20,606
+155% +$649K 0.06% 377
2021
Q3 		$446K Buy
+13,297
New +$501K 0.04% 583
2020
Q3 		– Sell
-29,759
Closed -$1.75M – 1364
2020
Q2 		$1.75M Sell
29,759
-17,740
-37% -$987K 0.12% 228
2020
Q1 		$2.25M Buy
+47,499
New +$2.65M 0.16% 182
2019
Q3 		– Sell
-11,383
Closed -$732K – 978
2019
Q2 		$732K Sell
11,383
-19,298
-63% -$1.36M 0.07% 382
2019
Q1 		$2.49M Buy
+30,681
New +$1.98M 0.18% 169
2017
Q3 		– Sell
-4,580
Closed -$233K – 896
2017
Q2 		$233K Sell
4,580
-2,320
-34% -$108K 0.06% 595
2017
Q1 		$277K Buy
+6,900
New +$310K 0.04% 800
2016
Q1 		– Sell
-13,500
Closed -$836K – 1034
2015
Q4 		$836K Buy
+13,500
New +$728K 0.07% 464

Other funds holding IONS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Trexquant Investment's IONS Position: Q1 2026 in Review

Trexquant Investment increased its Ionis Pharmaceuticals (IONS) stake by 62% in Q1 2026, buying an estimated $6.42M and bringing the position to 213,645 shares worth $16M. The position accounts for 0.12% of the portfolio, ranked #213.

Trexquant Investment first reported a position in IONS in Q4 2015 and has held it in 25 quarters since. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Trexquant Investment held 213,645 shares of Ionis Pharmaceuticals worth $16M as of Q1 2026.
  • Trexquant Investment bought 81,404 Ionis Pharmaceuticals shares in Q1 2026, an estimated $6.42M.
  • Ionis Pharmaceuticals made up 0.12% of Trexquant Investment's portfolio in Q1 2026, its #213 holding.
  • Trexquant Investment first reported a position in Ionis Pharmaceuticals in Q4 2015 and has held it in 25 quarters since.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Trexquant Investment's 13F filing for Q1 2026, filed 15 May 2026.