Janus Henderson Group
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Janus Henderson Group’s Alector ALEC Stock Holding History

Janus Henderson Group’s Portfolio ALEC Stock Details ALEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-23,340
Closed -$44K – 2483
2024
Q4 		$44K Hold
23,340
– – ﹤0.01% 2519
2024
Q3 		$109K Hold
23,340
– – ﹤0.01% 2507
2024
Q2 		$106K Sell
23,340
-318
-1% -$1.64K ﹤0.01% 2498
2024
Q1 		$142K Hold
23,658
– – ﹤0.01% 2477
2023
Q4 		$189K Sell
23,658
-48
-0.2% -$284 ﹤0.01% 2446
2023
Q3 		$153K Buy
23,706
+4
+0% +$26 ﹤0.01% 2446
2023
Q2 		$142K Sell
23,702
-34
-0.1% -$237 ﹤0.01% 2528
2023
Q1 		$147K Buy
23,736
+13,176
+125% +$107K ﹤0.01% 2564
2022
Q4 		$97.3K Sell
10,560
-10,560
-50% -$92.1K ﹤0.01% 2338
2022
Q3 		$200K Buy
21,120
+10,454
+98% +$113K ﹤0.01% 2406
2022
Q2 		$108K Buy
10,666
+133
+1% +$1.33K ﹤0.01% 2457
2022
Q1 		$150K Buy
10,533
+9
+0.1% +$142 ﹤0.01% 2499
2021
Q4 		$217K Buy
+10,524
New +$237K ﹤0.01% 2355

Other funds holding ALEC

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 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
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return

Janus Henderson Group's ALEC Position: Q1 2025 in Review

Janus Henderson Group sold out of Alector (ALEC) in Q1 2025, closing a stake of 23,340 shares — an estimated $44K sold.

Janus Henderson Group first reported a position in ALEC in Q4 2021 and held it in 13 quarters. The position peaked at $217K in Q4 2021. 141 funds tracked by Wall St. Rank hold ALEC as of Q1 2025.

  • Janus Henderson Group reported no remaining Alector position as of Q1 2025 after selling out during the quarter.
  • Janus Henderson Group sold 23,340 Alector shares in Q1 2025, an estimated $44K.
  • Janus Henderson Group first reported a position in Alector in Q4 2021 and held it in 13 quarters.
  • Janus Henderson Group's Alector position peaked at $217K in Q4 2021.
  • 141 funds tracked by Wall St. Rank held Alector as of Q1 2025.

Based on Janus Henderson Group's 13F filing for Q1 2025, filed 15 May 2025.