Citadel Advisors
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Citadel Advisors’s Hydrofarm Holdings HYFM Stock Holding History

Citadel Advisors’s Portfolio HYFM Stock Details HYFM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$20.4K Buy
+23,985
New +$23.4K ﹤0.01% 13402
2025
Q4 		– Sell
-18,079
Closed -$59.5K – 13254
2025
Q3 		$59.5K Buy
+18,079
New +$71.6K ﹤0.01% 12105
2023
Q1 		– Sell
-4,228
Closed -$74.8K – 15047
2022
Q4 		$65.5K Sell
4,228
-1,439
-25% -$32.9K ﹤0.01% 11791
2022
Q3 		$110K Sell
5,667
-12,694
-69% -$408K ﹤0.01% 11003
2022
Q2 		$639K Buy
18,361
+16,348
+812% +$1.33M ﹤0.01% 8093
2022
Q1 		$305K Sell
2,013
-20,377
-91% -$3.8M ﹤0.01% 10554
2021
Q4 		$6.33M Buy
22,390
+10,447
+87% +$3.54M ﹤0.01% 3881
2021
Q3 		$4.52M Sell
11,943
-16,702
-58% -$8.11M ﹤0.01% 4501
2021
Q2 		$16.9M Buy
28,645
+25,470
+802% +$15M ﹤0.01% 2296
2021
Q1 		$1.92M Sell
3,175
-5,949
-65% -$4.17M ﹤0.01% 6487
2020
Q4 		$4.8M Buy
+9,124
New +$4.78M ﹤0.01% 3766

Other funds holding HYFM

Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
PCM
Prentice Capital Management Greenwich, Connecticut $52.9M AUM 2.04% 1-Year Est. Return
VF
Virtu Financial New York $3.18B AUM 65.92% 1-Year Est. Return
CIA
Compass Ion Advisors Conshohocken, Pennsylvania $1.16B AUM 17.72% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Citadel Advisors's HYFM Position: Q2 2026 in Review

Citadel Advisors opened a new position in Hydrofarm Holdings (HYFM) in Q2 2026: 23,985 shares worth $20.4K. The stake represents ﹤0.01% of the portfolio and ranks #13402 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in HYFM as recently as Q3 2025.

Citadel Advisors first reported a position in HYFM in Q4 2020 and has held it in 11 quarters since. The position peaked at $16.9M in Q2 2021. 23 funds tracked by Wall St. Rank hold HYFM as of Q2 2026.

  • Citadel Advisors held 23,985 shares of Hydrofarm Holdings worth $20.4K as of Q2 2026.
  • Hydrofarm Holdings was a new Citadel Advisors position in Q2 2026.
  • Hydrofarm Holdings made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #13402 holding.
  • Citadel Advisors first reported a position in Hydrofarm Holdings in Q4 2020 and has held it in 11 quarters since.
  • Citadel Advisors's Hydrofarm Holdings position peaked at $16.9M in Q2 2021.
  • 23 funds tracked by Wall St. Rank held Hydrofarm Holdings as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.