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Granite Investment Partners’s Alphatec Holdings ATEC Stock Holding History

Granite Investment Partners’s Portfolio ATEC Stock Details ATEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$10.5M Buy
1,213,570
+18,414
+2% +$168K 0.54% 68
2026
Q1 		$13M Buy
1,195,156
+54,043
+5% +$787K 0.8% 31
2025
Q4 		$24M Sell
1,141,113
-238,917
-17% -$4.42M 1.42% 12
2025
Q3 		$20.1M Sell
1,380,030
-340,914
-20% -$4.75M 1.14% 19
2025
Q2 		$19.1M Buy
1,720,944
+1,311,748
+321% +$15.1M 0.93% 31
2025
Q1 		$4.15M Sell
409,196
-165,347
-29% -$1.77M 0.21% 130
2024
Q4 		$5.27M Sell
574,543
-302,434
-34% -$2.41M 0.23% 124
2024
Q3 		$4.88M Buy
876,977
+212,776
+32% +$1.63M 0.21% 136
2024
Q2 		$6.94M Buy
664,201
+375,621
+130% +$4.37M 0.29% 111
2024
Q1 		$3.98M Buy
+288,580
New +$4.28M 0.15% 170
2015
Q3 		– Sell
-29,967
Closed -$496K – 296
2015
Q2 		$496K Buy
+29,967
New +$499K 0.05% 267
2014
Q1 		– Sell
-13,058
Closed -$315K – 258
2013
Q4 		$315K Hold
13,058
– – 0.05% 228
2013
Q3 		$309K Sell
13,058
-119
-0.9% -$3.01K 0.05% 227
2013
Q2 		$324K Buy
+13,177
New +$306K 0.06% 216

Other funds holding ATEC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Granite Investment Partners's ATEC Position: Q2 2026 in Review

Granite Investment Partners increased its Alphatec Holdings (ATEC) stake by 1.5% in Q2 2026, buying an estimated $168K and bringing the position to 1,213,570 shares worth $10.5M. The position accounts for 0.54% of the portfolio, ranked #68.

Granite Investment Partners first reported a position in ATEC in Q2 2013 and has held it in 14 quarters since. The position peaked at $24M in Q4 2025. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

  • Granite Investment Partners held 1,213,570 shares of Alphatec Holdings worth $10.5M as of Q2 2026.
  • Granite Investment Partners bought 18,414 Alphatec Holdings shares in Q2 2026, an estimated $168K.
  • Alphatec Holdings made up 0.54% of Granite Investment Partners's portfolio in Q2 2026, its #68 holding.
  • Granite Investment Partners first reported a position in Alphatec Holdings in Q2 2013 and has held it in 14 quarters since.
  • Granite Investment Partners's Alphatec Holdings position peaked at $24M in Q4 2025.
  • 267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on Granite Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.