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Fred Alger Management’s Ionis Pharmaceuticals IONS Stock Holding History

Fred Alger Management’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 		$2.14M Sell
28,452
-9,971
-26% -$787K 0.01% 311
2025
Q4 		$3.04M Sell
38,423
-3,978
-9% -$300K 0.01% 285
2025
Q3 		$2.77M Buy
42,401
+32,937
+348% +$1.61M 0.01% 300
2025
Q2 		$374K Buy
+9,464
New +$310K ﹤0.01% 394
2024
Q1 		– Sell
-24,054
Closed -$1.22M – 469
2023
Q4 		$1.22M Buy
24,054
+10,488
+77% +$502K 0.01% 362
2023
Q3 		$615K Buy
+13,566
New +$560K ﹤0.01% 370
2023
Q2 		– Sell
-499
Closed -$17.8K – 545
2023
Q1 		$17.8K Sell
499
-189,854
-100% -$7.13M ﹤0.01% 500
2022
Q4 		$7.19M Buy
190,353
+47,831
+34% +$2.01M 0.04% 232
2022
Q3 		$6.3M Sell
142,522
-4,134
-3% -$174K 0.03% 239
2022
Q2 		$5.43M Buy
+146,656
New +$5.53M 0.03% 258
2019
Q4 		– Sell
-190
Closed -$11K – 501
2019
Q3 		$11K Sell
190
-240
-56% -$15.6K ﹤0.01% 472
2019
Q2 		$28K Buy
430
+189
+78% +$13.4K ﹤0.01% 437
2019
Q1 		$20K Buy
+241
New +$15.5K ﹤0.01% 439
2018
Q2 		– Sell
-4,000
Closed -$176K – 562
2018
Q1 		$176K Buy
+4,000
New +$203K ﹤0.01% 398
2017
Q1 		– Sell
-6,000
Closed -$287K – 538
2016
Q4 		$287K Buy
+6,000
New +$237K ﹤0.01% 344
2015
Q2 		– Sell
-161,972
Closed -$10.3M – 517
2015
Q1 		$10.3M Sell
161,972
-125,107
-44% -$8.49M 0.05% 260
2014
Q4 		$17.7M Buy
287,079
+143,042
+99% +$7.06M 0.09% 195
2014
Q3 		$5.59M Sell
144,037
-30,413
-17% -$1.08M 0.03% 328
2014
Q2 		$6.01M Sell
174,450
-156,405
-47% -$4.92M 0.03% 344
2014
Q1 		$14.3M Buy
330,855
+48,395
+17% +$2.35M 0.07% 263
2013
Q4 		$11.3M Buy
+282,460
New +$10.1M 0.06% 289

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

Fred Alger Management's IONS Position: Q1 2026 in Review

Fred Alger Management reduced its Ionis Pharmaceuticals (IONS) stake by 26% in Q1 2026, selling an estimated $787K and leaving 28,452 shares worth $2.14M. The position accounts for 0.01% of the portfolio, ranked #311.

Fred Alger Management first reported a position in IONS in Q4 2013 and has held it in 21 quarters since. The position peaked at $17.7M in Q4 2014. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.

  • Fred Alger Management held 28,452 shares of Ionis Pharmaceuticals worth $2.14M as of Q1 2026.
  • Fred Alger Management sold 9,971 Ionis Pharmaceuticals shares in Q1 2026, an estimated $787K.
  • Ionis Pharmaceuticals made up 0.01% of Fred Alger Management's portfolio in Q1 2026, its #311 holding.
  • Fred Alger Management first reported a position in Ionis Pharmaceuticals in Q4 2013 and has held it in 21 quarters since.
  • Fred Alger Management's Ionis Pharmaceuticals position peaked at $17.7M in Q4 2014.
  • 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.

Based on Fred Alger Management's 13F filing for Q1 2026, filed 15 May 2026.