Ken Griffin
BAND

Ken Griffin’s Bandwidth Inc BAND Stock Holding History

Ken Griffin’s Portfolio BAND Stock Details BAND Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$210K Sell
11,800
-700
-6% -$10.3K ﹤0.01% 11319
2025
Q4 		$193K Sell
12,500
-22,800
-65% -$346K ﹤0.01% 11073
2025
Q3 		$588K Buy
35,300
+2,000
+6% +$30.8K ﹤0.01% 8730
2025
Q2 		$529K Sell
33,300
-10,900
-25% -$148K ﹤0.01% 8494
2025
Q1 		$579K Buy
44,200
+34,700
+365% +$568K ﹤0.01% 8157
2024
Q4 		$162K Sell
9,500
-14,600
-61% -$274K ﹤0.01% 10774
2024
Q3 		$422K Sell
24,100
-6,000
-20% -$106K ﹤0.01% 8626
2024
Q2 		$508K Sell
30,100
-14,400
-32% -$272K ﹤0.01% 8008
2024
Q1 		$813K Buy
44,500
+27,500
+162% +$433K ﹤0.01% 7374
2023
Q4 		$246K Sell
17,000
-9,400
-36% -$110K ﹤0.01% 9554
2023
Q3 		$298K Sell
26,400
-22,400
-46% -$305K ﹤0.01% 9195
2023
Q2 		$668K Buy
48,800
+1,900
+4% +$24K ﹤0.01% 7291
2023
Q1 		$713K Buy
46,900
+33,900
+261% +$682K ﹤0.01% 7521
2022
Q4 		$298K Sell
13,000
-20,000
-61% -$364K ﹤0.01% 9335
2022
Q3 		$393K Sell
33,000
-5,800
-15% -$95.3K ﹤0.01% 8979
2022
Q2 		$730K Sell
38,800
-13,100
-25% -$303K ﹤0.01% 7760
2022
Q1 		$1.68M Buy
51,900
+17,400
+50% +$833K ﹤0.01% 6480
2021
Q4 		$2.48M Buy
34,500
+3,400
+11% +$265K ﹤0.01% 5751
2021
Q3 		$2.81M Buy
31,100
+7,100
+30% +$820K ﹤0.01% 5527
2021
Q2 		$3.31M Sell
24,000
-15,800
-40% -$1.98M ﹤0.01% 5364
2021
Q1 		$5.04M Buy
39,800
+10,600
+36% +$1.64M ﹤0.01% 4241
2020
Q4 		$4.49M Sell
29,200
-13,100
-31% -$2.16M ﹤0.01% 3867
2020
Q3 		$7.38M Buy
42,300
+34,000
+410% +$5.03M ﹤0.01% 2637
2020
Q2 		$1.05M Buy
+8,300
New +$838K ﹤0.01% 5740
2019
Q4 		– Sell
-6,400
Closed -$417K – 9095
2019
Q3 		$417K Buy
+6,400
New +$499K ﹤0.01% 7063

Other funds holding BAND

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CPIM
Cypress Point Investment Management Mill Valley, California $424M AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
ACM
Archon Capital Management Seattle, Washington $177M AUM 108.05% 1-Year Est. Return

Ken Griffin's BAND Position: Q1 2026 in Review

Ken Griffin increased its Bandwidth Inc (BAND) stake by 629% in Q1 2026, buying an estimated $2.79M and bringing the position to 220,849 shares worth $3.94M. The position accounts for ﹤0.01% of the portfolio, ranked #4740.

Ken Griffin first reported a position in BAND in Q2 2018 and has held it in 29 quarters since. The position peaked at $47.4M in Q3 2021. 155 funds tracked by Wall St. Rank hold BAND as of Q1 2026.

  • Ken Griffin held 220,849 shares of Bandwidth Inc worth $3.94M as of Q1 2026.
  • Ken Griffin bought 190,561 Bandwidth Inc shares in Q1 2026, an estimated $2.79M.
  • Bandwidth Inc made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4740 holding.
  • Ken Griffin first reported a position in Bandwidth Inc in Q2 2018 and has held it in 29 quarters since.
  • Ken Griffin's Bandwidth Inc position peaked at $47.4M in Q3 2021.
  • 155 funds tracked by Wall St. Rank held Bandwidth Inc as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.